Tyco Computer Drive 910 User Manual

Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
ASME Section VIII, Air/Gas/Steam/Liquid, ‘UV’ National Board Certified.  
Also available for Vacuum Service  
Features  
Available with soft seats.  
Threaded cap standard (back  
pressure tight). Maximum back  
pressure 50 psig [3.4 barg].  
Hex on valve nozzle provides for  
easy installation.  
Single control ring offers easy  
adjustability of blowdown.  
Pivoting disc design offers  
exceptional seat alignment.  
Guide to nozzle ratio reduces friction.  
Valve bodies are heavy duty casting.  
Full nozzle design for optimum flow  
performance.  
Threaded side outlet for piped off  
discharge to eliminate fugitive  
emissions.  
Model Descriptions  
Model 910: CS body and bonnet with SS  
trim.  
Model 911: All SS construction.  
Model 916: Same as Model 910 except  
resilient seat/seals. Superior ‘leak-free’  
performance.  
Model 910  
Model 917: Same as Model 911 except  
resilient seat/seals. Superior ‘leak-free’  
performance.  
Model 920: Steel body and bonnet with  
screwed cap and stainless steel spring  
for organic fluid vaporizers (ASME  
Section I -‘V’ Special Use or application).  
800 psig [55.2 barg] maximum set  
pressure.  
Model 927: Steel body and bonnet with  
packed lift lever and SS spring for high  
temperature/pressure hot water boilers  
(ASME Section I -‘V’ Special Use or  
application). 800 psig [55.2 barg]  
maximum set pressure.  
• Pressure vessels - containing gas, air,  
liquid or steam, including tanks and  
receivers.  
• Oil/gas separators.  
• Overpressure relief and protection of  
pumps, tanks, lines and hydraulic  
systems.  
Model 921: Steel body and bonnet with  
plain lift lever and stainless steel spring  
for forced flow steam generators (ASME  
Section I -‘V’ Special Use or application).  
800 psig [55.2 barg] maximum set  
pressure.  
Applications  
• Air/gas compressors, intercoolers,  
aftercoolers.  
• Bypass relief or pressure regulation.  
• All SS Model 911 may be suitable for  
sanitary/edible applications.  
• Liquid filled pressure vessels/systems,  
ASME Section VIII (UV).  
• Process and industrial corrosive  
applications.  
• Vacuum systems including pumps,  
tanks and equipment.  
Total Flow Control Solutions  
Tyco reserves the right to change product design and specifications  
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392-US-0207  
 
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
ASME Section VIII, Non-Code Air/Gas/Steam/Liquid, ‘UV’ National Board Certified. 920 is ASME Section I Special  
Purpose, Steam, ‘UV’ National Board Certified. 910, 911 Available for Vacuum Service  
Service Recommendations for Resilient Seat/Seal Materials  
Seat/Seal Materials  
Service Recommendation  
Air, Anhydrous Ammonia, Butane, Carbon Dioxide, Diesel Oil, Ethyl Chloride, Ethyl Ether,  
Freons #11 and 12, Fuel Oil, Gasoline, Helium, Hydrogen Sulphide, Kerosene, Lube Oil,  
Natural Gas, Nitrogen, Oxygen (Gas), Propane, Propylene, Sulphur Dioxide, Vinyl Chloride  
BUNA-N (-40° to 275°F) [-40° to 135°C]  
Acetone, Air, Amyl Alcohol, Aniline, Benzine, Butane, Carbon Disulphide, Carbon Tetrachloride  
Dowtherm ‘A’ and ‘J,Ethyl Chloride, Ethylene, Ethylene Glycol, Ethyl Alcohol, Gasoline, Hexane,  
Hydrogen Sulphide, Isobutyl Alcohol, JP - 4 Fuel, JP - 5 Fuel, Kerosene, Lube Oil, Natural Gas,  
Naphtha, Nitrogen, Propane, Propylene, Propyl Alcohol, Sulphur Dioxide, Toluene,  
Trichloroethylene,Turpentine, Water, Xylene  
Viton® A (-10° to 406°F) [-23° to 208°C]  
Silicone (-100° to 406°F) [-73° to 208°C]  
Air, Helium, Nitrogen, Oxygen (Gas)  
Ethylene Propylene (-70° to 400°F) [-57° to 205°C]  
Steam, Hot Water  
Air, Anhydrous Ammonia, Butane, Butyl Alcohol, Castor Oil, Denatured Alcohol, Ethanol, Ethyl  
Alcohol, Freons (12, 13, 14 and 22), Glycols, Natural Gas and Silicate Esters  
Neoprene (-45° to 300°F) [-43° to 149°C]  
Specifications  
Model  
Number1  
Orifice Connections  
Min/Max  
Min/Max  
Temp.  
(°F)2 [°C]  
––––—––––– Dimensions, in [mm] –––––—–––– Approx.  
ANSI Standard Set Pressure  
A
B
C
C
C
Weight  
Inlet  
Outlet  
psig [barg]  
Threaded Plain Packed lb [kg]  
Cap  
Lever  
Lever  
1/2”  
1”  
3/900  
-320/800  
23/8  
15/8  
71/4  
83/8  
9
3
9*BDC#  
9*BDD#  
D
D
[12.7]  
[25.4]  
[0.2/62]  
[-195/427]  
[60.3]  
[41.3]  
[184.2]  
[212.7]  
[228.6]  
[1.4]  
3/4”  
[ 19.0]  
1”  
[25.4]  
3/900  
[0.2/62]  
-320/800  
[-195/427]  
23/8  
[60.3]  
15/8  
[41.3]  
71/4  
[184.2]  
83/8  
[212.7]  
9
3
[1.4]  
[228.6]  
3/4”  
11/4”  
3/900  
-320/800  
25/8  
2
75/8  
83/4  
93/8  
4
9*BED#  
9*BFE#  
9*BGF#  
9*BHG#  
E
F
[19.0]  
[31.8]  
[0.2/62]  
[-195/427]  
[66.7]  
[50.8]  
[193.7]  
[222.3]  
[238.1]  
[1.8]  
1”  
[25.4]  
11/4”  
[31.8]  
11/2”  
[38.1]  
11/2”  
[38.1]  
3/600  
[0.2/41.4]  
-320/800  
[-195/427]  
27/8  
[73.0]  
31/4  
[82.6]  
31/2  
[88.9]  
23/8  
[60.3]  
25/8  
[66.7]  
23/4  
[69.9]  
83/4  
[222.3]  
101/8  
[257.2]  
111/8  
[282.6]  
97/8  
[250.8]  
111/4  
[285.8]  
101/2  
[266.7]  
113/4  
[298.5]  
121/2  
[317.5]  
6
[2.7]  
2”  
[50.8]  
21/2”  
[63.5]  
3/600  
[0.2/41.4]  
-320/800  
[-195/427]  
8
[3.6]  
G
H
3/500  
[0.2/34.5]  
-320/800  
[-195/427]  
13  
[330.2]  
11  
[5.0]  
2”  
[50.8]  
3”  
[76.2]  
3/500  
[0.2/34.5]  
-320/800  
[-195/427]  
4
31/4  
[82.6]  
121/2  
[317.5]  
141/2  
[368.3]  
151/8  
[384.2]  
15  
[6.8]  
9*BJH#  
J3  
[101.6]  
Notes  
1. Replace asterisk with desired Model Number.  
Replace # with seat material designation.  
Data applicable to all models.  
C
C
C
2. Temperature limits for Model 910 =  
-20°/800°F [-28.9°/427°C]; for Model 911 =  
-320°/800°F [-195°/427°C].  
Temperature limits for elastomer seats per  
above table.  
3. For C dimensions: pressures above 200 psig  
[14 barg] add 1.25-inch [31.8 mm] to the  
overall height.  
A
A
A
B
B
B
Plain Lever  
Threaded Cap  
Packed Lever  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
3
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
910, 911, 916 and 917 Available for Vacuum Service  
18  
17  
Parts and Materials - Models 910 and 911 Threaded Cap  
No. Part Name  
910  
911  
19  
20  
16  
15  
1 Nozzle  
SS, SA351-CF8M  
SS, SA35-CF8M  
14  
2 Body O-ring  
3 Body  
Teflon®  
Teflon®  
21  
22  
Steel, SA216 Gr. WCB  
SS, SA351-CF8M  
16  
4 Warn Ring  
5 Disc  
SS, A743-CF8M  
SS, A479-316  
SS, A743-CF8M  
SS, A479-316  
13  
12  
11  
10  
6 Set Screw Nut  
7 Set Screw  
SS, A479-316  
SS, A479-316  
SS, A479-316  
Teflon®  
SS, Commercial Gr. 18-8  
Teflon®  
23  
8 Set Screw Seal  
9 Retainer Ring  
9
8
SS, A303-316  
SS, A313-316  
10 Disc Holder  
11 Guide  
SS, A351-CF8M  
SS, A743-CF8M  
SS, A35-CF8M  
SS, A743-CF8M  
7
6
12 Screw  
SS, Commercial Gr. 18-8  
SS, Commercial Gr. 18-8  
SS, A313-302  
13 Coiled Spring Pin SS, A313-302  
5
4
3
SS: A313-316 or A313-T621  
Alloy steel: A681-H12 or B637-X750  
Steel, A108 Gr. 1117  
14 Spring  
15 Bonnet  
SS, SA479-316  
2
1
16 Spring Step  
17 Stem  
SS, A479-316  
SS, A479-316  
SS, A479-316  
SS, A479-316  
18 Wire and Seal  
19 Cap  
SS wire and Lead seal, Commercial SS wire and Lead seal, Commercial  
Steel, A108 Gr. C1018  
SS, A479-316  
20 Compression Screw  
21 Jam Nut  
SS, A479-316  
SS, A479-316  
SS, A479-316  
SS, A479-316  
22 Cap O-ring  
23 Body Plug  
BUNA-N  
BUNA-N  
Steel, A108 Gr. C1018  
SS, Commercial Gr. 18-8  
Guide  
24 Guide Locknut  
Shield  
SS, A479-316  
SS, A479-316  
SS, A167-316  
Teflon®  
SS, A479-316  
SS, A479-316  
SS, A167-316  
Teflon®  
25 Bonnet Gasket  
Bonnet Cap  
26 Cap O-ring  
Bonnet  
Steel, A108 Gr. 1117  
BUNA-N  
Steel, A108-1018  
SS, A479-316  
BUNA-N  
SS, A312-316  
Outlet  
No. Part Name  
910 Flanged  
4
2
1
3
1 Inlet Flange  
CS, A105  
2 Inlet Stub End  
3 Outlet Flange  
SS, A479-316  
CS, A105  
Inlet  
4 Outlet Stub End SS, A479-316  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
4
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 916 and 917 Available for Vacuum Service  
Parts and Materials - Models 910 and 911 Packed Lever  
24  
25  
26  
23  
22  
No. Part Name  
Materials  
27  
18  
Cap O-ring  
BUNA-N 70  
21  
20  
28  
29  
19  
20  
Jam Nut  
Lift Cam  
SS, A479-316  
SS, A743-CF8M  
19  
18  
21  
22  
Cotter Pin  
Lever  
CS, Commercial  
Steel, Zinc Plated A108-GR. 1018  
30  
31  
23  
24  
Drive Screw  
Retainer Nut  
SS, Commercial  
SS, A479-316  
25  
26  
Retainer O-ring  
Lift Cam O-ring  
BUNA-N  
BUNA-N  
27  
28  
Cap  
(Model 910) Steel, A216 GR. WCB, (Model 911) SS, A743-CF8M  
SS, A479-316  
Lift Nut  
29  
30  
Lift Washer  
Stem  
SS, A479-316  
SS, A479-316  
31  
32  
Compression Screw  
Bonnet Gasket  
SS, A479-316  
Teflon®  
Guide  
(Model 910) SS, A479-316, (Model 911) SS A743-CF8M  
33  
34  
Guide Locknut  
Shield  
Bonnet Cap  
Cap O-ring  
Bonnet  
SS, A479-316  
SS, A167-316  
(Model 910) Steel, A108 GR. 1117, (Model 911) SS, A479-316  
BUNA-N  
(Model 910) Steel, A106 GR. 8, (Model 911) SS, A312-316  
Parts and Materials - Models 910 and 911 Plain Lever  
No. Part Name  
Materials  
Cadmium plated steel: A231/A231M  
SS: A313-302  
16  
11  
Spring  
15  
SS: A313-316  
17  
18  
Alloy steel: A681-H12  
14  
13  
12  
13  
Bonnet  
(Model 910) Steel, A108-1117, (Model 911) SS, A479-316  
SS, A479-316  
Jam Nut  
19  
14  
15  
Compression Screw  
Lever  
SS, A479-316  
12  
11  
Steel, A109 Cadmium Plated  
16  
17  
Cap  
Brass, B176  
20  
21  
Lift Nut  
SS, A479-316  
18  
19  
Lift Washer  
Rivet  
SS, A479-316  
Steel, Commercial  
20  
21  
Cap Screw  
Spring Step  
SS, Commercial 18-8  
SS, A479-316  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
5
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 916, 917, 920,  
921, 927 ASME Section VIII,  
Air/Gas/Steam/Liquid, ‘UV’  
National Board Certified. 927 is  
ASME Section I Special Purpose,  
Steam, ‘UV’ National Board  
Certified. 910, 911 Available for  
Vacuum Service  
Model Number/Order Guide  
Model  
2
3
4
5
6
7
0
8
1
9
10 11 12 13 14 15  
Number  
Position  
0
1
Example  
9
1
0
B
J
H
M
A
K
E
0
3
0
0
Model  
910  
917  
920  
921  
927  
911  
916  
Connection Model  
B - Male x Female NPT  
J
L
-
-
150# Flange x 150# Flange  
300# Flange x 150# Flange  
N - 600# Flange x 150# Flange  
Z - Tri-clover (911)  
Orifice  
D
E
F
G
H
J
Inlet Size  
1
1
C - /2-inch [12.7 mm] F - 1 /4-inch [31.8 mm]  
3
1
D - /4-inch [19.1 mm] G - 1 /2-inch [38.1 mm]  
E - 1-inch [25.4 mm] H - 2-inch [50.8 mm]  
Seat/Seal Material  
M - Metal-to-metal – Models 910, 911, 920, 921, 927  
B - BUNA-N – Models 916, 917 only  
E - EPR – Models 916, 917 only  
S - Silicone – Models 916, 917 only  
V - Viton® – Models 916, 917 only  
N - Neoprene – Models 916, 917 only  
Variation (01 through 99)  
Number provided only by Kunkle to cover specific feature  
or option.  
01 - Threaded cap  
02 - Threaded cap with gag  
03 - Plain lever  
05 - Plain lever with vibration  
dampener  
06 - Packed lever  
04 - Plain lever with gag  
07 - Packed lever with gag  
60 - BSP Threads  
Design Revision  
Indicates non-interchangeable revision. Revision A  
Valve Service  
B - High-temperature Hot Water ASME Sect. I (Model 927 only) -  
Packed lever only  
C - Organic Fluid ASME Section I (Threaded Cap only)  
(Model 920 only)  
J
-
Liquid ASME Section VIII (Threaded Cap/Packed Lever only)  
K - Air/Gas ASME Section VIII (Plain Lever/Packed Lever  
required for air)  
L
-
Steam ASME Section VIII (Plain Lever/Packed Lever required)  
M - Non-code Liquid (Threaded Cap/Packed Lever only)  
N - Non-code Air/Gas  
P - Non-code Steam  
Q - Vacuum (Threaded Cap/Packed Lever only)  
R - Forced Flow Steam ASME Section I (Plain Lever only)  
(Model 921 only)  
Spring Material  
E - SS (-60° to 550°F) [-51° to 288°C]  
F - High-temperature Alloy Steel (-60° to 800°F) [-51° to 427°C]  
Set Pressure  
3 psig (0003) through 900 psig (0900) [0.48 barg through 62 barg]  
Vacuum 6-inch [200 mbarg] HG (inches of Mercury) (0006) through 29-inch [1000 mbarg]  
HG (0029) Models 910, 911, 920, 921  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
6
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Features  
• Available with soft seat.  
Models 912, 913, 918 and 919 ASME Section VIII, Air/Steam/Gas/Liquid,  
‘UV’ National Board Certified. Also available for Vacuum Service  
Threaded cap is standard (back pressure  
tight).  
Hex on valve nozzle provides for easy  
installation.  
Single control ring offers easy  
adjustability of blowdown.  
Pivoting disc design corrects  
misalignment and offers exceptional  
performance.  
• Guide to nozzle ratio reduces friction.  
• Full nozzle design for optimum flow  
performance.  
• Threaded side outlet for piped off  
discharge to eliminate fugitive emissions.  
Model Descriptions  
Model 912: Full nozzle design. SS warn ring  
and disc with brass/bronze base. Bronze/  
brass body and bonnet.  
Model 913: Full nozzle design. Bronze/  
brass body and bonnet. 316 SS trim (base,  
disc and disc holder).  
Model 918: Same as Model 912 except  
resilient seat/seal. Superior ‘leak-free’  
performance.  
Model 919: Same as Model 913 except  
resilient seat/seal. Superior ‘leak-free’  
performance. Bronze body and bonnet.  
316 SS trim (base, disc and disc holder).  
Model 912  
Applications  
Pressure and Temperature Limits  
Options  
• Air/gas compressors - intercoolers -  
aftercoolers.  
Models 912, 918: – Steam  
• Threaded cap. (Variation 01)  
3 to 250 psig [-0.2 to 17 barg]1  
• Threaded cap with gag. (Variation 02)  
• Plain lever. (Variation 03)  
-320° to 406°F [-195° to 208°C]  
• Liquid filled pressure vessels/systems -  
ASME Section VIII (UV).  
Models 913, 919: – Steam  
3 to 300 psig [-0.2 to 17 barg]1  
-320° to 425°F [-195° to 219°C]  
• Pressure vessels - containing gas, air,  
liquid or steam. Including tanks and  
receivers.  
• Plain lever with gag. (Variation 04)  
• Plain lever with vibration dampener.  
(Variation 05)  
Models 912, 918: – Air/Gas/Liquid  
3 to 300 psig [-0.2 to 21 barg]  
-320° to 406°F [-195° to 208°C]  
• Vacuum systems including pumps, tanks  
and equipment.  
• Packed lever. (Variation 06)  
• Packed lever with gag. (Variation 07)  
Models 913, 919: – Air/Gas/Liquid  
3 to 900 psig [-0.2 to 62 barg]  
-320° to 425°F [-195° to 219°C]  
• Optional materials for low temperature -  
cryogenic applications.  
• Oil/gas separators.  
Vacuum – 6- through 29-inch HG  
[200 through 1000 mbarg] – 300°F [149°C]  
• Overpressure relief and protection  
of pumps, tanks, lines and hydraulic  
systems.  
Maximum back pressure 50 psig [3 barg] -  
threaded cap and packed lever  
• By-pass relief or pressure regulation.  
Note  
1. ASME standard valves for air or steam  
service must have lift lever. For steam boilers  
and generators.  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
7
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 912, 913, 918, 919 ASME Section VIII, Steam/Air/Gas/ Liquid, ‘UV’ National Board Certified. Also available  
for Vacuum Service  
Service Recommendations for Resilient Seat/Seal Materials  
Seat/Seal Materials1  
Service Recommendation  
Air, Anhydrous Ammonia, Butane, Carbon Dioxide, Diesel Oil, Ethyl Chloride, Ethyl Ether, Freons #11  
and 12, Fuel Oil, Gasoline, Helium, Hydrogen Sulphide, Kerosene, Lube Oil, Natural Gas, Nitrogen,  
Oxygen (Gas), Propane, Propylene, Sulphur Dioxide, Vinyl Chloride  
BUNA-N (-40° to 275°F) [-40° to 135°C]  
Acetone, Air, Amyl Alcohol, Aniline, Benzine, Butane, Carbon Disulphide, Carbon Tetrachloride  
Dowtherm ‘A’ and ‘E’, Ethyl Chloride, Ethylene, Ethylene Glycol, Ethyl Alcohol, Gasoline, Hexane,  
Hydrogen Sulphide, Isobutyl Alcohol, JP - 4 Fuel, JP - 5 Fuel, Kerosene, Lube Oil, Natural Gas,  
Naphtha, Nitrogen, Propane, Propylene, Propyl Alcohol, Sulphur Dioxide, Toluene, Trichloroethylene,  
Turpentine, Water, Xylene  
Viton® A (-10° to 406°F) [-23° to 208°C]  
Silicone (-100° to 406°F) [-73° to 208°C]  
Air, Helium, Nitrogen, Oxygen (Gas)  
Ethylene Propylene (-70° to 400°F) [-57° to 205°C] Steam, Hot Water  
Air, Anhydrous Ammonia, Butane, Butyl Alcohol, Castor Oil Denatured Alcohol, Ethanol, Ethyl  
Alcohol, Freons (12, 13, 14 and 22), Glycols, Natural Gas and Silicate Esters  
Neoprene (-45° to 300°F) [-43° to 149°C]  
Note  
1. These recommendations are a guide only.  
For the final selection of the proper material,  
your experience with available elastomers of  
various lading fluids should be considered.  
Specifications  
Model2 Orifice Connections Maximum Set Pressure  
––-–––––––– Dimensions, in [mm] –––-––––––––  
Approx.  
Weight  
Number  
ANSI Standard  
psig [barg]  
912-9184 913-9195  
A
B
C
C
C
Inlet Outlet  
Plain  
Lever  
Threaded Packed lb [kg]  
Cap Lever  
9*BDC  
9*BDC7  
9*BDD3  
9*BDE3  
9*BED  
D
1/2” [12.7] 3/4” [19.0] 300 [20.7]  
1/2” [12.7] 1”  
[25.4] 300 [20.7]  
3/4” [19.0] 3/4” [19.0]  
1” [25.4] 1” [25.4]  
900 [62.1] 23/8 [60]  
900 [62.1] 23/8 [60]  
900 [62.1] 23/8 [60]  
900 [62.1] 25/8 [67]  
900 [62.1] 25/8 [67]  
15/8 [41]  
15/8 [41]  
15/8 [41]  
83/8 [213] 71/4 [184]  
83/8 [213] 71/4 [184]  
9
[229] 3 [1.4]  
D
D
9
9
[229] 3 [1.4]  
[229] 3 [1.4]  
83/8 [213]  
71/4 [184]  
D
E
15/8 [41]  
85/8 [219]  
83/4 [222]  
71/2 [191]  
75/8 [194]  
91/8 [232] 3 [1.4]  
93/8 [238] 4 [1.8]  
3/4” [19.0] 11/4” [31.8] 300 [20.7]  
2
[51]  
9*BEF3  
9*BFE  
9*BFG3  
9*BGF  
9*BGH3  
9*BHG  
E
F
11/4” [31.8] 11/4” [31.8]  
900 [62.1]  
600 [41.4] 27/8 [73]  
600 [41.4] [76]  
600 [41.4] 31/4 [89]  
600 [41.4] 31/4 [89]  
500 [34.5] 31/2 [89]  
3
[76]  
2
[51]  
91/8 [232]  
97/8 [251]  
8
[203]  
93/4 [248] 4 [1.8]  
1”  
[25.4] 11/2” [38.1] 300 [20.7]  
23/8 [60]  
23/8 [60] 10  
83/4 [222] 101/2 [267] 6 [2.7]  
87/8 [225] 105/8 [270] 6 [2.7]  
F
11/2” [38.1] 11/2” [38.1]  
3
[254]  
G
11/4” [31.8] 2”  
[50.8] 300 [20.7]  
2” [50.8] 2” [50.8]  
11/2” [38.1] 21/2” [63.5] 300 [20.7]  
[50.8] 3” [76.2] 300 [20.7]  
25/8 [67] 111/4 [286] 101/8 [257] 113/4 [298] 8 [3.6]  
25/8 [67] 111/4 [286] 101/8 [257] 113/4 [298] 8 [3.6]  
23/4 [70] 13  
G
H
J6 2”  
[330] 111/8 [283] 121/2 [318] 11 [5.0]  
9*BJH  
500 [34.5]  
4
[102]  
31/4 [89] 141/2 [368] 121/2 [318] 151/8 [384] 15 [6.8]  
Notes  
1. Maximum temperature controlled by resilient  
seat/seal material.  
2. Replace asterisk with desired Model Number.  
Data applicable to all models.  
C
C
C
3. Available with SS trim only.  
4. Maximum pressure on steam is 250 psig.  
5. Maximum pressure on steam is 300 psig.  
6. For C dimensions: pressures above 200 psig  
[14 barg] add 1.25-inch [31.8 mm] to the  
overall height.  
A
A
A
7. Special variation required. Consult factory.  
B
B
B
Plain Lever  
Packed Lever  
Threaded Cap  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
8
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 912, 913, 918, 919 ASME Section VIII, Steam/Air/Gas/ Liquid, ‘UV’  
National Board Certified. Also available for Vacuum Service  
Parts and Materials - Models 912, 913, 918, 919 Threaded Cap  
19  
18  
No.  
Part Name  
Materials  
20  
21  
17  
16  
1
Nozzle1  
Brass, B21 Alloy 485, (SS, SA351-CF8M1 Models 913, 919 only)  
2
3
O-ring Body  
Body  
Teflon®  
15  
22  
23  
Bronze, B584 Alloy 84400  
17  
14  
4
5
Warn Ring  
Disc2  
SS, A743-CF8M  
SS, A479-316  
13  
12  
6
7
Set Screw Nut  
Set Screw  
Brass, B16  
Brass, B16  
11  
8
9
Seal  
Teflon®  
24  
10  
9
Retainer Ring  
SS, A313-316  
10  
11  
Disc Holder  
Guide3  
Brass, B16, (SS A351-CF8M Models 913, 919 only)  
Brass, B16  
Teflon®  
8
7
12  
13  
Bonnet O-ring  
Screw  
SS, Commercial 18-8  
6
14  
15  
Coiled Spring Pin  
Spring  
SS, A313-302  
5
4
3
SS: A313-316 or A313-T631  
Alloy steel: A681-H12 or B637-X750  
16  
17  
Bonnet4  
Brass, B16-H02  
Brass, B16  
2
1
Spring Step  
18  
19  
Stem  
Brass, B16  
Wire and Seal  
SS wire and Lead seal, Commercial  
20  
21  
Cap  
Brass, B16  
Compression Screw Brass, B16  
22  
23  
Jam Nut  
Brass, B16  
BUNA-N  
Cap O-ring  
24  
Body Plug  
Brass, B16 [1/4” - 18 NPT]  
Notes  
1. F through J orifice nozzle material is Bronze,  
B62.  
3. G through J orifice guide material is Bronze,  
B584, Alloy 84400.  
2. Material  
Viton®-A  
BUNA-N  
Silicone  
Letter Designation  
4. F through J orifice bonnet material is Bronze,  
B584, Alloy 84400.  
V
B
S
EPR  
E
Neoprene  
N
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
9
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 912, 913, 918, 919 ASME Section VIII, Steam/Air/Gas/Liquid, ‘UV’  
National Board Certified. Also available for Vacuum Service  
24  
25  
26  
23  
22  
Parts and Materials - Model 912 Packed Lever  
No.  
Part Name  
Materials  
27  
18  
Cap O-ring  
BUNA-N 70 Duro, Commercial  
21  
20  
28  
29  
19  
20  
Jam Nut  
Lift Cam  
Brass, B16  
SS, A743 CF8M  
19  
18  
21  
22  
Cotter Pin  
Lever  
Steel, Commercial  
Zinc Plated Steel, A108  
30  
31  
23  
24  
Drive Screw  
Retainer Nut  
SS, Commercial  
Brass, B16  
25  
26  
Retainer O-ring  
Lift Cam O-ring  
BUNA-N 70 Duro, Commercial  
BUNA-N 70 Duro, Commercial  
27  
28  
Cap  
Bronze, B584 Alloy 84400  
SS, A479 316  
Lift Nut  
29  
30  
Lift Washer  
Stem  
SS, A479 316  
Brass, B16  
31  
32  
Compression Screw  
Coiled Spring Pin  
Brass, B16  
SS, A313 302  
33  
Body Plug4  
Brass, B16  
Guide  
Guide Locknut  
Shield  
Brass, B16  
Brass, B16  
SS, A167 316  
34  
16  
Parts and Materials - Model 912 Plain Lever  
15  
17  
18  
No.  
Part Name  
Materials  
14  
13  
Steel: A231/A231M w/coating1  
SS: A313-302  
11  
Spring  
SS: A313-316  
19  
Alloy steel: A681-H12  
12  
11  
12  
13  
Bonnet3  
Jam Nut  
Brass, B16  
Brass, B16  
20  
21  
14  
15  
Compression Screw  
Lever  
Brass, B16  
Steel, A109 w/coating1  
16  
17  
Cap  
Brass, B179  
Lift Nut  
SS, A479-316  
18  
19  
LIft Washer  
Rivet  
SS, A479-316  
Steel, Commercial  
20  
21  
Screw  
SS, Commercial Gr. 18-8  
Brass, B16  
Spring Step  
Disc Holder  
Spindle  
Brass, B16  
Brass, B16  
22  
Note  
1. Corrosion preventative coating.  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd. 10  
KUKMC-0392  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 912, 913, 918, 919 ASME Section VIII, Steam/Air/Gas/ Liquid, ‘UV’  
National Board Certified. Also available for Vacuum Service  
Model Number/Order Guide  
Model  
2
3
4
J
5
6
7
0
8
1
9
10 11 12 13 14 15  
Number  
Position  
0
1
Example  
9
1
2
B
H
M
K
E
0
3
0
0
Model  
912  
913  
918  
919  
Connection Model  
B - Male x Female Threaded or NPT  
Orifice  
D
E
F
G
H
J
Inlet Size  
1
1
C - /2-inch [15 mm] F - 1 /4-inch [32 mm]  
3
1
D - /4-inch [18 mm] G - 1 /2-inch [40 mm]  
E - 1-inch [25 mm] H - 2-inch [50 mm]  
Seat/Seal Material  
M - Metal-to-metal  
B - BUNA-N 200°F [93°C]  
E - EPR 400°F [177°C]  
S - Silicone 406°F [208°C]  
V - Viton® 406°F [208°C]  
N - Neoprene 300°F [149°C]  
Variation (01 through 99)  
Number provided only by manufacturer to cover specific  
feature or option.  
01 - Threaded cap  
02 - Threaded cap with gag  
03 - Plain lever  
04 - Plain lever with gag  
05 - Plain lever with vibration dampener  
06 - Packed lever  
07 - Packed lever with gag  
Design Revision  
Indicates non-interchangeable revision. Dash (-) if original design.  
Valve Service  
J
- Liquid ASME Section VIII (Standard Cap/Packed Lever only)  
K - Air/Gas ASME Section VIII (Plain Lever/Packed Lever required for air)  
- Steam ASME Section VIII (Plain Lever/Packed Lever required)  
L
M - Liquid (Standard Cap/Packed Lever only)  
N - Non-Code Air Gas  
P - Non-Code Steam  
Q - Vacuum (Standard Cap/Packed Lever only)  
Spring Material  
E - SS  
F - Alloy Steel (high temperature)  
Set Pressure  
3 psig [0.2 barg] (0003) through 900 psig [62 barg] (0900)  
Vacuum 6-inch HG [200 mbarg] (0006) through 29-inch HG [1000 mbarg] (0029)  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
11  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 920, 921, 927  
ASME Section I Steam (English, lb/h) - Flow Coefficient = 0.8781  
Note  
1. Pressure and Temperature Limitations  
Steam Section I - ‘V’ Special Use  
15 to 800 psig  
Set Pressure  
(psig)  
——––——––———— Orifice Area, in2 ———––––––————  
D
E
F
G
H
J
(0.1213)  
(0.2157)  
(0.3369)  
(0.553)  
(0.864)  
(1.415)  
-20° to 800°F  
15  
174  
309  
482  
792  
1237  
2026  
25  
35  
228  
283  
406  
504  
635  
787  
1042  
1292  
1628  
2018  
2665  
3305  
45  
55  
338  
393  
601  
699  
939  
1541  
1791  
2408  
2798  
3944  
4583  
1091  
65  
75  
448  
504  
796  
896  
1243  
1399  
2041  
2297  
3189  
3589  
5222  
5877  
85  
95  
560  
617  
996  
1556  
1713  
2554  
2812  
3991  
4393  
6536  
7194  
1097  
100  
125  
645  
786  
1147  
1398  
1791  
2183  
2940  
3583  
4594  
5599  
7523  
9169  
150  
175  
927  
1649  
1900  
2575  
2967  
4227  
4870  
6604  
7609  
10815  
12461  
1068  
200  
225  
1209  
1350  
2150  
2401  
3359  
3751  
5513  
6156  
8614  
9619  
14107  
15753  
250  
275  
1492  
1633  
2652  
2903  
4143  
4534  
6800  
7443  
10624  
11629  
17399  
19045  
300  
325  
1774  
1915  
3154  
3405  
4926  
5318  
8086  
8730  
12634  
13639  
20691  
22337  
350  
375  
2056  
2197  
3656  
3907  
5710  
6102  
9373  
14644  
15649  
23983  
25629  
10016  
400  
425  
2338  
2479  
4158  
4409  
6494  
6886  
10659  
11303  
16654  
17659  
27275  
28921  
450  
475  
2620  
2761  
4660  
4910  
7278  
7670  
11946  
12589  
18664  
19669  
30567  
32212  
500  
525  
2902  
3044  
5161  
5412  
8061  
8453  
13232  
13876  
20674  
33858  
550  
575  
3185  
3326  
5663  
5914  
8845  
9237  
14519  
15162  
600  
625  
3467  
3608  
6165  
6416  
9629  
15805  
650  
675  
3749  
3890  
6667  
6918  
700  
725  
4031  
4172  
7169  
7419  
750  
775  
4313  
4455  
7670  
7921  
800  
4596  
8172  
Tyco reserves the right to change product design and specifications  
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
 
12  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 920, 921, 927  
ASME Section I Steam [Metric, kg/h] - Flow Coefficient = 0.8781  
Note  
1. Pressure and Temperature Limitations  
Steam Section I - ‘V’ Special Use  
1 to 55 barg  
Set Pressure  
[barg]  
—––———————— Orifice Area, cm2 ——————–———  
D
E
F
G
H
J
[0.7826]  
[1.3916]  
[2.1735]  
[3.5677]  
[5.574]  
[9.129]  
-28° to 427°C  
1.1  
81  
144  
225  
370  
578  
946  
2.0  
3.0  
114  
150  
202  
266  
315  
415  
518  
682  
809  
1325  
1745  
1065  
4.0  
5.0  
186  
222  
330  
395  
516  
617  
846  
1322  
1582  
2165  
2591  
1013  
6.0  
7.0  
259  
296  
461  
527  
720  
823  
1182  
1351  
1846  
2111  
3024  
3457  
8.0  
9.0  
333  
371  
593  
659  
926  
1520  
1689  
2375  
2640  
3890  
4323  
1029  
10.0  
12.0  
408  
482  
725  
857  
1132  
1339  
1859  
2197  
2904  
3433  
4756  
5622  
14.0  
16.0  
556  
630  
989  
1545  
1751  
2536  
2874  
3961  
4490  
6488  
7354  
1121  
18.0  
20.0  
705  
779  
1253  
1385  
1957  
2163  
3212  
3551  
5019  
5548  
8220  
9086  
22.0  
24.0  
853  
927  
1517  
1649  
2369  
2576  
3889  
4228  
6077  
6605  
9952  
10818  
26.0  
28.0  
1002  
1076  
1781  
1913  
2782  
2988  
4566  
4905  
7134  
7663  
11684  
12550  
30.0  
32.0  
1150  
1224  
2045  
2177  
3194  
3400  
5243  
5582  
8192  
8720  
13416  
14282  
34.0  
36.0  
1299  
1373  
2309  
2441  
3607  
3813  
5920  
6259  
9249  
15148  
38.0  
40.0  
1447  
1521  
2573  
2705  
4019  
4225  
6597  
6935  
42.0  
44.0  
1596  
1670  
2837  
2969  
46.0  
48.0  
1744  
1818  
3101  
3233  
50.0  
52.0  
1893  
1967  
3365  
3497  
54.0  
58.0  
2041  
2190  
3629  
3893  
62.0  
2338  
4157  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
13  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 912, 913, 916, 917, 918, 919  
Non-code1 and ASME Section VIII Air (English, SCFM) -  
Flow Coefficient = 0.878  
Notes  
1. No code stamp or ‘NB’ on nameplate below  
15 psig set.  
Set Pressure  
(psig)  
————––————— Orifice Area, in2 —————––————  
2. Pressure Limitations  
D
E
F
G
H
J
Models 910, 916: 3 to 900 psig  
(0.1213)  
(0.2157)  
(0.3369)  
(0.553)  
(0.864)  
(1.415)  
Models 911, 917: 3 to 900 psig  
Models 912, 918: 3 to 300 psig  
Models 913, 919: 3 to 900 psig  
3
28  
50  
77  
127  
198  
325  
4
5
32  
36  
57  
64  
89  
99  
146  
163  
228  
255  
374  
417  
6
7
39  
42  
70  
75  
109  
117  
178  
192  
278  
300  
456  
491  
8
9
45  
48  
80  
85  
125  
132  
205  
217  
320  
338  
524  
554  
10  
11  
50  
52  
89  
93  
139  
145  
228  
238  
356  
372  
583  
610  
12  
13  
54  
57  
97  
151  
157  
248  
258  
388  
403  
635  
660  
101  
14  
15  
59  
64  
104  
114  
163  
177  
267  
291  
417  
455  
683  
745  
25  
35  
83  
148  
185  
232  
288  
380  
474  
594  
740  
972  
104  
1212  
45  
55  
125  
147  
223  
261  
348  
408  
571  
669  
893  
1462  
1713  
1046  
65  
75  
168  
190  
299  
337  
467  
527  
767  
865  
1199  
1352  
1963  
2214  
85  
95  
211  
233  
376  
414  
587  
646  
963  
1505  
1658  
2464  
2715  
1061  
100  
125  
243  
297  
433  
528  
676  
825  
1110  
1355  
1734  
2116  
2840  
3466  
150  
175  
351  
405  
624  
719  
974  
1599  
1844  
2499  
2881  
4093  
4719  
1124  
200  
225  
458  
512  
815  
910  
1273  
1422  
2089  
2334  
3264  
3646  
5345  
5971  
250  
275  
566  
619  
1006  
1101  
1571  
1720  
2578  
2823  
4029  
4411  
6598  
7224  
300  
325  
673  
727  
1197  
1292  
1869  
2018  
3068  
3313  
4793  
5176  
7850  
8477  
350  
375  
780  
834  
1388  
1483  
2167  
2316  
3558  
3802  
5558  
5941  
9103  
9729  
400  
425  
888  
941  
1579  
1674  
2466  
2615  
4047  
4292  
6323  
6705  
10355  
10982  
450  
475  
995  
1769  
1865  
2764  
2913  
4537  
4781  
7088  
7470  
11608  
12234  
1049  
500  
550  
1102  
1210  
1960  
2151  
3062  
3360  
5026  
5516  
7853  
12861  
600  
650  
1317  
1425  
2342  
2533  
3658  
6005  
700  
750  
1532  
1639  
2724  
2915  
800  
850  
1747  
1849  
3106  
3298  
900  
1957  
3489  
Tyco reserves the right to change product design and specifications  
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
 
14  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 912, 913, 916, 917, 918, 919  
Non-code1 and ASME Section VIII Air [Metric, Nm3/h] -  
Flow Coefficient = 0.878  
Notes  
1. No code stamp or ‘NB’ on nameplate below  
1.1 barg set.  
Set Pressure  
[barg]  
—————–————— Orifice Area, cm2 ——––——————  
2. Pressure Limitations  
D
E
F
G
H
J
Models 910, 916: 0.2 to 62 barg  
[0.7826]  
[1.3916]  
[2.1735]  
[3.5677]  
[5.574]  
[9.129]  
Models 911, 917: 0.2 to 62 barg  
Models 912, 918: 0.2 to 20.7 barg  
Models 913, 919: 0.2 to 62 barg  
0.2  
45  
80  
126  
206  
322  
528  
0.5  
1.0  
71  
98  
126  
175  
196  
273  
323  
448  
504  
700  
825  
1147  
2.0  
3.0  
151  
202  
268  
359  
419  
561  
687  
920  
1074  
1438  
1758  
2355  
4.0  
5.0  
253  
305  
451  
542  
704  
847  
1155  
1390  
1805  
2172  
2956  
3557  
6.0  
7.0  
356  
408  
634  
725  
990  
1625  
1860  
2538  
2905  
4157  
4758  
1133  
8.0  
9.0  
459  
511  
817  
908  
1276  
1419  
2094  
1329  
3272  
3639  
5359  
5960  
10.0  
12.0  
562  
665  
1000  
1183  
1562  
1848  
2564  
3033  
4006  
4739  
6560  
7762  
14.0  
16.0  
768  
871  
1366  
1549  
2134  
2420  
3503  
3972  
5473  
6206  
8963  
10165  
18.0  
20.0  
974  
1733  
1916  
2706  
2992  
4442  
4911  
6940  
7673  
11366  
12567  
1077  
22.0  
24.0  
1180  
1283  
2099  
2282  
3278  
3564  
5381  
5851  
8407  
9141  
13769  
14970  
26.0  
28.0  
1386  
1489  
2465  
2648  
3850  
4136  
6320  
6790  
9874  
16172  
17373  
10608  
30.0  
32.0  
1592  
1695  
2831  
3015  
4422  
4708  
7259  
7729  
11341  
12075  
18574  
19776  
34.0  
36.0  
1798  
1901  
3198  
3381  
4994  
5280  
8198  
8668  
12808  
20977  
38.0  
40.0  
2004  
2107  
3564  
3747  
5567  
5853  
9137  
9607  
42.0  
44.0  
2210  
2313  
3930  
4113  
46.0  
48.0  
2416  
2519  
4297  
4480  
50.0  
52.0  
2622  
2725  
4663  
4846  
54.0  
56.0  
2828  
2931  
5029  
5212  
58.0  
60.0  
3034  
3137  
5395  
5579  
62.0  
3240  
5762  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
15  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 912, 913, 916, 917, 918, 919  
Non-code1 and ASME Section VIII Steam (English, lb/h) -  
Flow Coefficient = 0.878  
Notes  
1. No code stamp or ‘NB’ on nameplate below  
15 psig set.  
Set Pressure  
(psig)  
————––————— Orifice Area, in2 ——————––———  
2. Pressure Limitations  
D
E
F
G
H
J
Model 910: 3 to 900 psig  
(0.1213)  
(0.2157)  
(0.3369)  
(0.553)  
(0.864)  
(1.415)  
Model 911: 3 to 900 psig  
Model 912: 3 to 250 psig  
Model 913: 3 to 300 psig  
3
87  
155  
242  
398  
621  
1017  
4
5
100  
111  
178  
197  
278  
308  
456  
506  
712  
791  
1167  
1295  
6
7
121  
130  
215  
231  
336  
360  
551  
591  
861  
924  
1410  
1513  
8
9
138  
145  
245  
258  
383  
403  
628  
662  
981  
1607  
1694  
1035  
10  
11  
152  
159  
271  
282  
423  
441  
694  
724  
1084  
1131  
1776  
1852  
12  
13  
165  
171  
293  
304  
458  
474  
752  
778  
1175  
1216  
1924  
1992  
14  
15  
176  
179  
313  
319  
489  
498  
803  
818  
1255  
1278  
2056  
2092  
25  
35  
234  
292  
416  
519  
650  
810  
1068  
1330  
1668  
2078  
2732  
3404  
45  
55  
352  
412  
626  
733  
978  
1605  
1880  
2508  
2938  
4108  
4811  
1146  
65  
75  
473  
533  
841  
948  
1313  
1481  
2155  
2430  
3368  
3797  
5515  
6219  
85  
95  
593  
654  
1055  
1163  
1648  
1816  
2706  
2981  
4227  
4657  
6923  
7627  
100  
125  
684  
835  
1216  
1484  
1900  
2319  
3118  
3806  
4872  
5946  
7979  
9738  
150  
175  
986  
1753  
2021  
2737  
3156  
4493  
5181  
7020  
8095  
11498  
13257  
1136  
200  
225  
1287  
1438  
2289  
2557  
3575  
3994  
5869  
6556  
9169  
15017  
16776  
10243  
250  
275  
1589  
1740  
2826  
3094  
4413  
4832  
7244  
7932  
11318  
12392  
18536  
20295  
300  
325  
1891  
2041  
3362  
3630  
5251  
5670  
8619  
9307  
13467  
14541  
22055  
23814  
350  
375  
2192  
2343  
3898  
4167  
6089  
6508  
9994  
15615  
16690  
25574  
27333  
10682  
400  
425  
2494  
2645  
4435  
4703  
6927  
7346  
11370  
12057  
17764  
18838  
29093  
30852  
450  
475  
2796  
2946  
4971  
5239  
7765  
8183  
12745  
13433  
19913  
20987  
32612  
34371  
500  
550  
3097  
3399  
5508  
6044  
8602  
9440  
14120  
15496  
22061  
36131  
600  
650  
3701  
4002  
6581  
7117  
10278  
16871  
700  
750  
4304  
4606  
7653  
8190  
800  
850  
4907  
5209  
8726  
9263  
900  
5511  
9799  
Tyco reserves the right to change product design and specifications  
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
 
16  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 912, 913, 916, 917, 918, 919  
Non-code1 and ASME SectionVIII Steam, [Metric, kg/h]-  
Flow Coefficient = 0.878  
Notes  
1. No code stamp or ‘NB’ on nameplate below  
1.1 barg set.  
Set Pressure  
[barg]  
——————–——— Orifice Area, cm2 —————––————  
2. Pressure Limitations  
D
E
F
G
H
J
Model 910: 0.2 to 62 barg  
[0.7826]  
[1.3916]  
[2.1735]  
[3.5677]  
[5.574]  
[9.129]  
Model 911: 0.2 to 62 barg  
Model 912: 0.2 to 17.2 barg  
Model 913: 0.2 to 20.7 barg  
0.2  
39  
69  
108  
177  
277  
453  
0.5  
1.0  
60  
81  
106  
144  
166  
225  
272  
369  
425  
577  
697  
945  
2.0  
3.0  
116  
156  
207  
277  
323  
432  
529  
709  
827  
1355  
1815  
1108  
4.0  
5.0  
195  
235  
347  
418  
542  
653  
890  
1391  
1673  
2278  
2741  
1071  
6.0  
7.0  
275  
314  
488  
559  
763  
873  
1252  
1433  
1956  
2239  
3204  
3666  
8.0  
9.0  
354  
394  
629  
700  
983  
1614  
1795  
2521  
2804  
4129  
4592  
1093  
10.0  
12.0  
433  
513  
771  
912  
1204  
1424  
1976  
2337  
3087  
3652  
5055  
5981  
14.0  
16.0  
592  
671  
1053  
1194  
1644  
1865  
2699  
3061  
4217  
4782  
6907  
7832  
18.0  
20.0  
751  
830  
1335  
1476  
2085  
2306  
3423  
3785  
5348  
5913  
8758  
9684  
22.0  
24.0  
910  
989  
1617  
1758  
2526  
2746  
4146  
4508  
6478  
7043  
10610  
11535  
26.0  
28.0  
1068  
1148  
1900  
2041  
2967  
3187  
4870  
5232  
7609  
8174  
12461  
13387  
30.0  
32.0  
1227  
1306  
2182  
2323  
3408  
3628  
5594  
5955  
8739  
9304  
14313  
15238  
34.0  
36.0  
1386  
1465  
2464  
2605  
3849  
4069  
6317  
6679  
9870  
16164  
38.0  
40.0  
1544  
1624  
2746  
2887  
4289  
4510  
7041  
7403  
42.0  
44.0  
1703  
1783  
3029  
3170  
46.0  
48.0  
1862  
1941  
3311  
3452  
50.0  
52.0  
2021  
2100  
3593  
3734  
54.0  
56.0  
2179  
2259  
3875  
4016  
58.0  
60.0  
2338  
2417  
4157  
4299  
62.0  
2497  
4440  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
17  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 912, 913, 916, 917, 918, 919  
Notes  
ASME VIII Liquid (English, GPM) - Flow Coefficient = 0.710  
1. No code stamp or ‘NB’ on nameplate below  
15 psig set.  
Set Pressure  
(psig)  
—————––———— Orifice Area, in2 —————––————  
D
E
F
G
H
J
2. Pressure Limitations  
(0.1213)  
(0.2157)  
(0.3369)  
(0.553)  
(0.864)  
(1.415)  
Model 910, 916: 3 to 900 psig  
15  
14  
25  
39  
63  
99  
162  
Model 911, 917: 3 to 900 psig  
Model 912, 918: 3 to 300 psig  
Model 913, 919: 3 to 900 psig  
25  
35  
17  
20  
31  
36  
48  
56  
79  
93  
123  
145  
202  
237  
3. Liquid conversion factors to determine liquid  
capacity at other than 10% accumulation,  
multiply by the following:  
45  
55  
23  
26  
41  
45  
64  
71  
105  
116  
164  
181  
269  
297  
1.022 = 15% accumulation  
65  
75  
28  
30  
49  
53  
77  
83  
126  
136  
197  
212  
323  
347  
1.045 = 20% accumulation  
1.066 = 25% accumulation (see page 20)  
85  
95  
32  
34  
56  
60  
88  
93  
144  
153  
225  
238  
369  
390  
100  
125  
34  
38  
61  
68  
95  
156  
175  
244  
273  
400  
448  
107  
150  
175  
42  
45  
75  
81  
117  
126  
192  
207  
299  
323  
490  
530  
200  
225  
49  
52  
86  
92  
135  
143  
221  
235  
346  
367  
566  
601  
250  
275  
54  
57  
97  
151  
158  
247  
259  
387  
405  
633  
664  
101  
300  
325  
60  
62  
106  
110  
165  
172  
271  
282  
423  
441  
694  
722  
350  
375  
64  
67  
114  
118  
178  
185  
293  
303  
457  
473  
749  
775  
400  
425  
69  
71  
122  
126  
191  
197  
313  
323  
489  
504  
801  
825  
450  
475  
73  
75  
129  
133  
202  
208  
332  
341  
519  
533  
849  
873  
500  
550  
77  
81  
136  
143  
213  
224  
350  
367  
547  
895  
600  
650  
84  
88  
150  
156  
234  
383  
700  
750  
91  
94  
161  
167  
800  
850  
97  
173  
178  
100  
900  
103  
183  
Tyco reserves the right to change product design and specifications  
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
 
18  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 912, 913, 916, 917, 918, 919  
Non-code1 and ASME Section VIII Liquid, [Metric m3/h] -  
Flow Coefficient = 0.710  
Notes  
1. No code stamp or ‘NB’ on nameplate below  
1.1 barg set.  
Set Pressure  
[barg]  
———––—————— Orifice Area, cm2 —————–————  
2. Pressure Limitations  
D
E
F
G
H
J
Model 910, 916: 0.2 to 62 barg  
[0.783]  
[1.392]  
[2.174]  
[3.568]  
[5.574]  
[9.129]  
Model 911, 917: 0.2 to 62 barg  
Model 912, 918: 0.2 to 20.7 barg  
Model 913, 919: 0.2 to 62 barg  
1.0  
3
6
9
14  
22  
36  
2.0  
3.0  
4
5
7
9
12  
14  
19  
23  
30  
37  
49  
60  
4.0  
5.0  
6
7
11  
12  
16  
18  
27  
30  
42  
47  
69  
77  
6.0  
7.0  
7
8
13  
14  
20  
22  
33  
36  
52  
56  
85  
92  
8.0  
9.0  
8
9
15  
16  
23  
25  
38  
41  
60  
63  
98  
104  
10.0  
12.0  
9
17  
18  
26  
29  
43  
47  
67  
73  
110  
120  
10  
14.0  
16.0  
11  
12  
20  
21  
31  
33  
51  
54  
79  
85  
130  
139  
18.0  
20.0  
13  
13  
22  
24  
35  
37  
57  
61  
90  
95  
147  
155  
22.0  
24.0  
14  
15  
25  
26  
39  
40  
63  
66  
99  
162  
170  
104  
26.0  
28.0  
15  
16  
27  
28  
42  
44  
69  
72  
108  
112  
177  
183  
30.0  
32.0  
16  
17  
29  
30  
45  
47  
74  
77  
116  
120  
190  
196  
34.0  
36.0  
17  
18  
31  
32  
48  
49  
79  
81  
123  
202  
38.0  
40.0  
18  
19  
33  
33  
51  
52  
83  
86  
42.0  
44.0  
19  
20  
34  
35  
46.0  
48.0  
20  
21  
36  
37  
50.0  
52.0  
21  
21  
37  
38  
54.0  
56.0  
22  
22  
39  
40  
58.0  
60.0  
23  
23  
40  
41  
62.0  
23  
42  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
19  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 912, 913, 916, 917, 918, 919  
Note  
Non-code Liquid - 25% Accumulation (English, GPM) -  
Flow Coefficient = 0.710  
1. Pressure Limitations  
Models 910, 916: 3 to 900 psig  
Set Pressure  
(psig)  
————––————— Orifice Area, in2 ————————––—  
Models 911, 917: 3 to 900 psig  
Models 912, 918: 3 to 300 psig  
Models 913, 919: 3 to 900 psig  
D
E
F
G
H
J
(0.1213)  
(0.2157)  
(0.3369)  
(0.553)  
(0.864)  
(1.415)  
3
6
11  
18  
29  
45  
74  
4
5
7
8
13  
15  
20  
23  
33  
37  
52  
58  
85  
95  
6
7
9
16  
17  
25  
27  
41  
44  
64  
69  
105  
113  
10  
8
9
10  
11  
18  
20  
29  
30  
47  
50  
74  
78  
121  
128  
10  
11  
12  
12  
21  
22  
32  
34  
53  
55  
82  
86  
135  
142  
12  
13  
13  
13  
23  
23  
35  
37  
58  
60  
90  
94  
148  
154  
14  
15  
14  
14  
24  
25  
38  
39  
62  
65  
98  
160  
165  
101  
25  
35  
18  
22  
33  
38  
51  
60  
83  
99  
130  
154  
213  
253  
45  
55  
25  
27  
44  
48  
68  
75  
112  
124  
175  
193  
286  
317  
65  
75  
29  
32  
52  
56  
82  
88  
134  
144  
210  
226  
344  
370  
85  
95  
34  
36  
60  
63  
94  
99  
154  
163  
240  
254  
394  
416  
100  
125  
37  
41  
65  
73  
102  
114  
167  
186  
261  
291  
427  
477  
150  
175  
45  
48  
80  
86  
124  
134  
204  
221  
319  
345  
523  
565  
200  
225  
52  
55  
92  
98  
144  
152  
236  
250  
369  
391  
604  
640  
250  
275  
58  
61  
103  
108  
161  
169  
264  
277  
412  
432  
675  
708  
300  
325  
63  
66  
113  
117  
176  
183  
289  
301  
451  
470  
739  
769  
350  
375  
68  
71  
122  
126  
190  
197  
312  
323  
488  
505  
799  
827  
400  
425  
73  
75  
130  
134  
203  
210  
334  
344  
521  
537  
854  
880  
450  
475  
78  
80  
138  
142  
216  
221  
354  
364  
553  
568  
905  
930  
500  
550  
82  
86  
145  
153  
227  
238  
373  
391  
583  
954  
600  
650  
90  
93  
159  
166  
249  
409  
700  
750  
97  
172  
178  
100  
800  
850  
103  
107  
184  
190  
900  
110  
195  
Tyco reserves the right to change product design and specifications  
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
 
20  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 912, 913, 916, 917, 918, 919  
Non-code Liquid - 25% Accumulation, [Metric, m3/h]  
Flow Coefficient = 0.710  
Note  
1. Pressure Limitations  
Models 910, 916: 0.2 to 62 barg  
Set Pressure  
[barg]  
———–—————— Orifice Area, cm2 ——––—––—————  
Models 911, 917: 0.2 to 62 barg  
Models 912, 918: 0.2 to 20.7 barg  
Models 913, 919: 0.2 to 62 barg  
D
E
F
G
H
J
[0.783]  
[1.392]  
[2.174]  
[3.568]  
[5.574]  
[9.129]  
0.2  
1
3
4
6
10  
17  
0.5  
1.0  
2
3
4
6
6
9
10  
14  
16  
23  
26  
37  
2.0  
3.0  
4
5
8
12  
15  
20  
25  
32  
39  
52  
64  
10  
4.0  
5.0  
6
7
11  
13  
18  
20  
29  
32  
45  
50  
74  
83  
6.0  
7.0  
8
8
14  
15  
22  
23  
35  
38  
55  
60  
90  
98  
8.0  
9.0  
9
9
16  
17  
25  
26  
41  
43  
64  
68  
104  
111  
10.0  
12.0  
10  
11  
18  
19  
28  
30  
46  
50  
71  
78  
117  
128  
14.0  
16.0  
12  
13  
21  
23  
33  
35  
54  
58  
84  
90  
138  
148  
18.0  
20.0  
13  
14  
24  
25  
37  
39  
61  
65  
96  
157  
165  
101  
22.0  
24.0  
15  
16  
26  
28  
41  
43  
68  
71  
106  
110  
173  
181  
26.0  
28.0  
16  
17  
29  
30  
45  
47  
74  
76  
115  
119  
188  
195  
30.0  
32.0  
17  
18  
31  
32  
48  
50  
79  
82  
123  
128  
202  
209  
34.0  
36.0  
18  
19  
33  
34  
51  
53  
84  
87  
131  
215  
38.0  
40.0  
20  
20  
35  
36  
54  
56  
89  
91  
42.0  
44.0  
21  
21  
36  
37  
46.0  
48.0  
21  
22  
38  
39  
50.0  
52.0  
22  
23  
40  
41  
54.0  
56.0  
23  
24  
41  
42  
58.0  
60.0  
24  
25  
43  
44  
62.0  
25  
44  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
21  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 912, 913, 916, 917, 918, 919  
Non-code Vacuum Air (English, SCFM) Flow Coefficient = 0.878  
Set Inches  
Mercury  
————––————— Orifice Area, in2 —————––————  
D
E
F
G
H
J
(0.1213)  
(0.2157)  
(0.3369)  
(0.553)  
(0.864)  
(1.415)  
6
24  
43  
68  
111  
173  
284  
7
8
26  
27  
45  
47  
71  
74  
117  
121  
182  
189  
298  
310  
9
27  
28  
49  
50  
76  
78  
125  
128  
195  
199  
320  
327  
10  
11  
12  
28  
29  
51  
51  
79  
80  
129  
131  
202  
204  
331  
334  
13  
14  
29  
29  
51  
51  
80  
80  
131  
131  
204  
204  
335  
335  
15  
16  
29  
29  
51  
51  
80  
80  
131  
131  
204  
204  
335  
335  
17  
18  
29  
29  
51  
51  
80  
80  
131  
131  
204  
204  
335  
335  
19  
20  
29  
29  
51  
51  
80  
80  
131  
131  
204  
204  
335  
335  
21  
22  
29  
29  
51  
51  
80  
80  
131  
131  
204  
204  
335  
335  
23  
24  
29  
29  
51  
51  
80  
80  
131  
131  
204  
204  
335  
335  
25  
26  
29  
29  
51  
51  
80  
80  
131  
131  
204  
204  
335  
335  
27  
28  
29  
29  
51  
51  
80  
80  
131  
131  
204  
204  
335  
335  
29  
29  
51  
80  
131  
204  
335  
Tyco reserves the right to change product design and specifications  
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
 
22  
Kunkle Safety and Relief Products  
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927  
Models 910, 911, 912, 913, 916, 917, 918, 919  
Non-code Vacuum Air [Metric, Nm3/h] - Flow Coefficient = 0.878  
Set Pressure  
[mbarg]  
————––————— Orifice Area, cm2 ——————–———  
D
E
F
G
H
J
[0.7826]  
[1.3916]  
[2.1735]  
[3.5677]  
[5.574]  
[9.129]  
200  
40  
71  
111  
182  
285  
466  
225  
250  
42  
43  
74  
76  
115  
119  
189  
196  
296  
306  
485  
501  
275  
300  
44  
45  
78  
80  
123  
125  
201  
206  
314  
321  
515  
526  
325  
350  
46  
46  
82  
83  
127  
129  
209  
212  
327  
331  
535  
542  
375  
400  
47  
47  
83  
84  
130  
131  
214  
215  
334  
336  
548  
551  
425  
450  
47  
47  
84  
84  
132  
132  
216  
216  
337  
337  
553  
552  
475  
500  
47  
47  
84  
84  
132  
132  
216  
216  
338  
338  
553  
553  
525  
550  
47  
47  
84  
84  
132  
132  
216  
216  
338  
338  
553  
553  
575  
600  
47  
47  
84  
84  
132  
132  
216  
216  
338  
338  
553  
553  
625  
650  
47  
47  
84  
84  
132  
132  
216  
216  
338  
338  
553  
553  
675  
700  
47  
47  
84  
84  
132  
132  
216  
216  
338  
338  
553  
553  
725  
750  
47  
47  
84  
84  
132  
132  
216  
216  
338  
338  
553  
553  
775  
800  
47  
47  
84  
84  
132  
132  
216  
216  
338  
338  
553  
553  
845  
850  
47  
47  
84  
84  
132  
132  
216  
216  
338  
338  
553  
553  
875  
900  
47  
47  
84  
84  
132  
132  
216  
216  
338  
338  
553  
553  
925  
950  
47  
47  
84  
84  
132  
132  
216  
216  
338  
338  
553  
553  
975  
1000  
47  
47  
84  
84  
132  
132  
216  
216  
338  
338  
553  
553  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd.  
KUKMC-0392  
23  
Kunkle Safety and Relief Products  
Facility Phone: 828-669-3700  
Valves & Controls  
The data presented in this bulletin is for general information only. Manufacturer is not responsible for acceptability of these products in relation to system requirements. Patents and Patents  
Pending in U.S. and foreign countries. All rights reserved. Printed in U.S.A. Tyco reserves the right to change product design and specifications without notice. © Copyright 2002.  
Tyco reserves the right to change product design and specifications  
 
without notice. Copyright © 2002 by Tyco International Ltd. 24  
KUKMC-0392  

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