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Kunkle Safety and Relief Products
Tyco reserves the right to change product design and specifications KUKMC-0392
without notice. Copyright © 2002 by Tyco International Ltd. 8
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 Materials
1
Service Recommendation
Air, Anhydrous Ammonia, Butane, Carbon Dioxide, Diesel Oil, Ethyl Chloride, Ethyl Ether, Freons #11
BUNA-N (-40° to 275°F) [-40° to 135°C] and 12, Fuel Oil, Gasoline, Helium, Hydrogen Sulphide, Kerosene, Lube Oil, Natural Gas, Nitrogen,
Oxygen (Gas), Propane, Propylene, Sulphur Dioxide, Vinyl Chloride
Acetone, Air, Amyl Alcohol, Aniline, Benzine, Butane, Carbon Disulphide, Carbon Tetrachloride
Dowtherm ‘A’ and ‘E’, Ethyl Chloride, Ethylene, Ethylene Glycol, Ethyl Alcohol, Gasoline, Hexane,
Viton
®
A (-10° to 406°F) [-23° to 208°C] 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,
Tur pentine, Water, Xylene
Silicone (-100° to 406°F) [-73° to 208°C] Air, Helium, Nitrogen, Oxygen (Gas)
Ethylene Propylene (-70° to 400°F) [-57° to205°C] Steam, Hot Water
Neoprene (-45° to 300°F) [-43° to 149°C]
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
Plain Lever
Threaded Cap
Packed Lever
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
Model
2
Orifice Connections Maximum Set Pressure ––-–––––––– Dimensions, in [mm] –––-–––––––– Approx.
Number ANSI Standard psig [barg] A B C C C Weight
Inlet Outlet 912-918
4
913-919
5
Plain Threaded Packed lb [kg]
Lever Cap Lever
9*BDC D
1
/2” [12.7]
3
/4” [19.0] 300 [20.7] 900 [62.1] 2
3
/8 [60] 1
5
/8 [41] 8
3
/8 [213] 7
1
/4 [184] 9 [229] 3 [1.4]
9*BDC
7
D
1
/2” [12.7] 1” [25.4] 300 [20.7] 900 [62.1] 2
3
/8 [60] 1
5
/8 [41] 8
3
/8 [213] 7
1
/4 [184] 9 [229] 3 [1.4]
9*BDD
3
D
3
/4” [19.0]
3
/4” [19.0] — — 900 [62.1] 2
3
/8 [60] 1
5
/8 [41] 8
3
/8 [213] 7
1
/4 [184] 9 [229] 3 [1.4]
9*BDE
3
D1” [25.4] 1” [25.4] — — 900 [62.1] 2
5
/8 [67] 1
5
/8 [41] 8
5
/8 [219] 7
1
/2 [191] 9
1
/8 [232] 3 [1.4]
9*BED E
3
/4” [19.0] 1
1
/4” [31.8] 300 [20.7] 900 [62.1] 2
5
/8 [67] 2 [51] 8
3
/4 [222] 7
5
/8 [194] 9
3
/8 [238] 4 [1.8]
9*BEF
3
E1
1
/4” [31.8] 1
1
/4” [31.8] — — 900 [62.1] 3 [76] 2 [51] 9
1
/8 [232] 8 [203] 9
3
/4 [248] 4 [1.8]
9*BFE F 1” [25.4] 1
1
/2” [38.1] 300 [20.7] 600 [41.4] 2
7
/8 [73] 2
3
/8 [60] 9
7
/8 [251] 8
3
/4 [222] 10
1
/2 [267] 6 [2.7]
9*BFG
3
F1
1
/2” [38.1] 1
1
/2” [38.1] — — 600 [41.4] 3 [76] 2
3
/8 [60] 10 [254] 8
7
/8 [225] 10
5
/8 [270] 6 [2.7]
9*BGF G 1
1
/4” [31.8] 2” [50.8] 300 [20.7] 600 [41.4] 3
1
/4 [89] 2
5
/8 [67] 11
1
/4 [286] 10
1
/8 [257] 11
3
/4 [298] 8 [3.6]
9*BGH
3
G2” [50.8] 2” [50.8] — — 600 [41.4] 3
1
/4 [89] 2
5
/8 [67] 11
1
/4 [286] 10
1
/8 [257] 11
3
/4 [298] 8 [3.6]
9*BHG H 1
1
/2” [38.1] 2
1
/2” [63.5] 300 [20.7] 500 [34.5] 3
1
/2 [89] 2
3
/4 [70] 13 [330] 11
1
/8 [283] 12
1
/2 [318] 11 [5.0]
9*BJH J
6
2” [50.8] 3” [76.2] 300 [20.7] 500 [34.5] 4 [102] 3
1
/4 [89] 14
1
/2 [368] 12
1
/2 [318] 15
1
/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.
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.
7. Special variation required. Consult factory.
A
C
B
A
C
B
A
C
B