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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