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Plastic Threaded Check Valves
Glass-Filled Polypropylene Body—Spring-Loaded Piston
Pipe Size | Flow Coefficient (Cv) | Max. Pressure @ Temp. | Min. Opening Pressure, psi | Temp. Range, ° F | Color | End-to-End Lg. | Mounting Position | For Use With | Piston Material | Spring Material | Seal Material | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NPT Female Inlet × NPT Female Outlet | |||||||||||||||
| 1/4 | 3 | 125 psi @ 70° F | 0.33 | 35 to 140 | Black | 2" | Any Angle, Horizontal, Vertical | Air, Argon, Helium, Krypton, Neon, Water, Xenon | Polypropylene | 302 Stainless Steel | Buna-N | 5492K11 | 000000 | ||
| 3/8 | 4.2 | 125 psi @ 70° F | 0.33 | 35 to 140 | Black | 2 1/16" | Any Angle, Horizontal, Vertical | Air, Argon, Helium, Krypton, Neon, Water, Xenon | Polypropylene | 302 Stainless Steel | Buna-N | 5492K12 | 00000 | ||
| 1/2 | 8.1 | 125 psi @ 70° F | 0.33 | 35 to 140 | Black | 2 1/2" | Any Angle, Horizontal, Vertical | Air, Argon, Helium, Krypton, Neon, Water, Xenon | Polypropylene | 302 Stainless Steel | Buna-N | 5492K13 | 00000 | ||
| 3/4 | 14.8 | 125 psi @ 70° F | 0.33 | 35 to 140 | Black | 2 3/4" | Any Angle, Horizontal, Vertical | Air, Argon, Helium, Krypton, Neon, Water, Xenon | Polypropylene | 302 Stainless Steel | Buna-N | 5492K14 | 00000 | ||
Check Valves with Barbed Fittings
Polypropylene Body—Spring-Loaded Ball
For Inlet Tube ID | Pipe Size | For Outlet Tube ID | Flow Coefficient (Cv) | Max. Pressure @ Temp. | Min. Opening Pressure, psi | Temp. Range, ° F | Color | End-to-End Lg. | For Use With | Ball Material | Spring Material | Seal Material | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Barbed Male Inlet × NPT Male Outlet | ||||||||||||||||
| 1/8" | 1/8 | — | Not Rated | 125 psi @ 70° F | 1 | 35 to 140 | White | 1 5/8" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K114 | 00000 | ||
| 1/8" | 1/4 | — | Not Rated | 125 psi @ 70° F | 1 | 35 to 140 | White | 1 13/16" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K115 | 0000 | ||
| 1/4" | 1/4 | — | Not Rated | 125 psi @ 70° F | 1 | 35 to 140 | White | 2 1/8" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K119 | 0000 | ||
| 5/16" | 1/4 | — | Not Rated | 125 psi @ 70° F | 1 | 35 to 140 | White | 3 3/16" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K122 | 00000 | ||
Barbed Male Inlet × Barbed Male Outlet | ||||||||||||||||
| 1/8" | — | 1/8" | 0.1 | 125 psi @ 70° F | 1 | 35 to 140 | White | 1 3/8" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K41 | 0000 | ||
| 1/8" | — | 1/4" | Not Rated | 125 psi @ 70° F | 1 | 35 to 140 | White | 1 11/16" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K52 | 0000 | ||
| 3/16" | — | 3/16" | 0.2 | 125 psi @ 70° F | 1 | 35 to 140 | White | 1 3/4" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K42 | 0000 | ||
| 3/16" | — | 1/4" | Not Rated | 125 psi @ 70° F | 1 | 35 to 140 | White | 1 7/8" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K57 | 0000 | ||
| 1/4" | — | 1/4" | 0.3 | 125 psi @ 70° F | 1 | 35 to 140 | White | 2 1/16" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K43 | 0000 | ||
| 5/16" | — | 5/16" | 1 | 125 psi @ 70° F | 1 | 35 to 140 | White | 3 1/2" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K66 | 00000 | ||
| 3/8" | — | 3/8" | Not Rated | 125 psi @ 70° F | 1 | 35 to 140 | White | 3 1/2" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K73 | 00000 | ||
| 1/2" | — | 1/2" | 1 | 125 psi @ 70° F | 1 | 35 to 140 | White | 3 1/2" | Air, Argon, Helium, Krypton, Neon, Water, Xenon | 316 Stainless Steel | 302 Stainless Steel | Buna-N | 7757K79 | 00000 | ||
Easy-Install Threaded Check Valves for Harsh Chemicals
Polypropylene Body—Ball
Pipe Size | Flow Coefficient (Cv) | Max. Pressure @ Temp. | Min. Opening Pressure, psi | Temp. Range, ° F | Color | End-to-End Lg. | Mounting Position | Specs. Met | For Use With | Ball Material | Seal Material | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NPT Female × NPT Female | |||||||||||||||
| 1/2 | 4.8 | 150 psi @ 70° F | 1 | 35 to 160 | White | 4 11/16" | Horizontal, Vertical | ASTM D4101 | Air, Ammonia, Butane, Carbon Dioxide, Citric Acid, Deionized Water, Ethanol, Ethylene Glycol, Isopropyl Alcohol, Kerosene, Methanol (Methyl Alcohol), Natural Gas, Oil, Oxygen, Phosphoric Acid, Salt Water, Soap Solutions, Sodium Hydroxide (Caustic Soda), Water | Polypropylene | Fluoroelastomer | 4851K41 | 0000000 | ||
| 3/4 | 7.7 | 150 psi @ 70° F | 1 | 35 to 160 | White | 4 3/4" | Horizontal, Vertical | ASTM D4101 | Air, Ammonia, Butane, Carbon Dioxide, Citric Acid, Deionized Water, Ethanol, Ethylene Glycol, Isopropyl Alcohol, Kerosene, Methanol (Methyl Alcohol), Natural Gas, Oil, Oxygen, Phosphoric Acid, Salt Water, Soap Solutions, Sodium Hydroxide (Caustic Soda), Water | Polypropylene | Fluoroelastomer | 4851K42 | 000000 | ||
| 1 | 11 | 150 psi @ 70° F | 1 | 35 to 160 | White | 5 3/8" | Horizontal, Vertical | ASTM D4101 | Air, Ammonia, Butane, Carbon Dioxide, Citric Acid, Deionized Water, Ethanol, Ethylene Glycol, Isopropyl Alcohol, Kerosene, Methanol (Methyl Alcohol), Natural Gas, Oil, Oxygen, Phosphoric Acid, Salt Water, Soap Solutions, Sodium Hydroxide (Caustic Soda), Water | Polypropylene | Fluoroelastomer | 4851K43 | 000000 | ||
| 1 1/2 | 45 | 150 psi @ 70° F | 1 | 35 to 160 | White | 6 3/4" | Horizontal, Vertical | ASTM D4101 | Air, Ammonia, Butane, Carbon Dioxide, Citric Acid, Deionized Water, Ethanol, Ethylene Glycol, Isopropyl Alcohol, Kerosene, Methanol (Methyl Alcohol), Natural Gas, Oil, Oxygen, Phosphoric Acid, Salt Water, Soap Solutions, Sodium Hydroxide (Caustic Soda), Water | Polypropylene | Fluoroelastomer | 4851K44 | 000000 | ||
| 2 | 130 | 150 psi @ 70° F | 1 | 35 to 160 | White | 8 1/8" | Horizontal, Vertical | ASTM D4101 | Air, Ammonia, Butane, Carbon Dioxide, Citric Acid, Deionized Water, Ethanol, Ethylene Glycol, Isopropyl Alcohol, Kerosene, Methanol (Methyl Alcohol), Natural Gas, Oil, Oxygen, Phosphoric Acid, Salt Water, Soap Solutions, Sodium Hydroxide (Caustic Soda), Water | Polypropylene | Fluoroelastomer | 4851K45 | 000000 | ||
Plastic Threaded Check Valves for Oil and Fuel
Glass-Filled Polypropylene Body—Spring-Loaded Piston
Pipe Size | Flow Coefficient (Cv) | Max. Pressure @ Temp. | Min. Opening Pressure, psi | Temp. Range, ° F | Color | End-to-End Lg. | Fitting Type | For Use With | Piston Material | Spring Material | Seal Material | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NPT Female × NPT Female | |||||||||||||||
| 1/4 | 3 | 125 psi @ 70° F | 0.33 | 35 to 140 | Black | 2" | Connector | Diesel Fuel, Gasoline, Oil | Polypropylene | 302 Stainless Steel | Fluoroelastomer | 5492K51 | 000000 | ||
| 3/8 | 4.2 | 125 psi @ 70° F | 0.33 | 35 to 140 | Black | 2 1/16" | Connector | Diesel Fuel, Gasoline, Oil | Polypropylene | 302 Stainless Steel | Fluoroelastomer | 5492K52 | 00000 | ||
| 1/2 | 8.1 | 125 psi @ 70° F | 0.33 | 35 to 140 | Black | 2 1/2" | Connector | Diesel Fuel, Gasoline, Oil | Polypropylene | 302 Stainless Steel | Fluoroelastomer | 5492K53 | 00000 | ||
| 3/4 | 14.8 | 125 psi @ 70° F | 0.33 | 35 to 140 | Black | 2 3/4" | Connector | Diesel Fuel, Gasoline, Oil | Polypropylene | 302 Stainless Steel | Fluoroelastomer | 5492K54 | 00000 | ||
High-Cycling Check Valves
Polypropylene Body
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NPT Male Inlet × Barbed Male Outlet | Barbed Male Inlet × Barbed Male Outlet | Unthreaded Male Inlet x Unthreaded Male Outlet |
Pipe Size | For Tube ID | Max. Pressure @ Temp. | Min. Opening Pressure, psi | Temp. Range, ° F | Diaphragm Material | Seal Material | Color | End-to-End Lg. | For Use With | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Barbed Male Inlet × Barbed Male Outlet | |||||||||||||
| — | 1/8" | 50 psi @ 65° F | 0.5 | 32 to 250 | Fluoroelastomer | Fluoroelastomer | Off-White | 1 1/4" | Air, Water | 47245K114 | 00000 | ||
| — | 3/16" | 15 psi @ 70° F | 0.5 | -20 to 250 | Fluoroelastomer | Fluoroelastomer | White | 1 11/16" | Air, Water | 47245K12 | 0000 | ||
| — | 1/4" | 15 psi @ 70° F | 0.5 | -40 to 150 | Fluorosilicone | Fluorosilicone | Black | 1 9/16" | Air, Water | 47245K139 | 0000 | ||
| — | 1/4" | 15 psi @ 70° F | 0.5 | -40 to 250 | Fluoroelastomer | Fluoroelastomer | Off-White | 1 9/16" | Air, Water | 47245K43 | 0000 | ||
| — | 5/16" | 15 psi @ 70° F | 0.5 | -20 to 250 | Fluoroelastomer | Fluoroelastomer | Black | 1 3/4" | Air, Water | 47245K14 | 0000 | ||
| — | 3/8" | 50 psi @ 65° F | 0.5 | 32 to 250 | Fluoroelastomer | Fluoroelastomer | Off-White | 1 7/8" | Air, Water | 47245K117 | 0000 | ||
| — | 3/8" | 15 psi @ 70° F | 0.5 | -20 to 250 | Fluorosilicone | Fluorosilicone | Black | 1 9/16" | Air, Water | 47245K132 | 0000 | ||
Unthreaded Male Inlet × Unthreaded Male Outlet | |||||||||||||
| — | 1/8" | 15 psi @ 70° F | 0.5 | -20 to 250 | Fluoroelastomer | Fluoroelastomer | White | 1 5/8" | Air, Water | 47245K11 | 0000 | ||
| — | 1/8" | 15 psi @ 70° F | 0.5 | -20 to 250 | Fluorosilicone | Fluorosilicone | Black | 1 5/8" | Air, Water | 47245K128 | 0000 | ||
NPT Male Inlet × Barbed Male Outlet | |||||||||||||
| 1/8 | 1/8" | 50 psi @ 65° F | 0.5 | 32 to 250 | Fluoroelastomer | Fluoroelastomer | Off-White | 1 3/8" | Air, Water | 47245K124 | 0000 | ||
| 1/8 | 3/16" | 50 psi @ 65° F | 0.5 | 32 to 250 | Fluoroelastomer | Fluoroelastomer | Off-White | 1 1/2" | Air, Water | 47245K122 | 0000 | ||
| 1/8 | 1/4" | 50 psi @ 65° F | 0.5 | 32 to 250 | Fluoroelastomer | Fluoroelastomer | Off-White | 1 1/2" | Air, Water | 47245K126 | 0000 | ||
| 1/8 | 3/8" | 50 psi @ 65° F | 0.5 | 32 to 250 | Fluoroelastomer | Fluoroelastomer | Off-White | 1 5/8" | Air, Water | 47245K119 | 0000 | ||
Check Valves with Barbed Fittings for Harsh Chemicals
Polypropylene Body—Spring-Loaded Ball
Flow Coefficient (Cv) | For Tube ID | Max. Pressure @ Temp. | Min. Opening Pressure, psi | Temp. Range, ° F | Color | End-to-End Lg. | Mounting Position | For Use With | Ball Material | Spring Material | Seal Material | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Barbed Male Inlet × Barbed Male Outlet | |||||||||||||||
| 0.1 | 1/8" | 125 psi @ 70° F | 1 | 30 to 140 | White | 1 3/8" | Any Angle, Horizontal, Vertical | Acetone, Air, Argon, Citric Acid, Deionized Water, Diesel Fuel, Ethanol, Ethylene Glycol, Fuel Oil, Gasoline, Helium, Kerosene, Krypton, Mineral Spirits, Neon, Nitrogen, Oil, Propane, Salt Water, Soap Solutions, Toluene (Methylbenzene), Water, Xenon, Xylene | 316 Stainless Steel | 302 Stainless Steel | Fluoroelastomer | 7757K44 | 00000 | ||
| 0.2 | 3/16" | 125 psi @ 70° F | 1 | 30 to 140 | White | 1 3/4" | Any Angle, Horizontal, Vertical | Acetone, Air, Argon, Citric Acid, Deionized Water, Diesel Fuel, Ethanol, Ethylene Glycol, Fuel Oil, Gasoline, Helium, Kerosene, Krypton, Mineral Spirits, Neon, Nitrogen, Oil, Propane, Salt Water, Soap Solutions, Toluene (Methylbenzene), Water, Xenon, Xylene | 316 Stainless Steel | 302 Stainless Steel | Fluoroelastomer | 7757K45 | 0000 | ||
| 0.3 | 1/4" | 125 psi @ 70° F | 1 | 30 to 140 | White | 2 1/16" | Any Angle, Horizontal, Vertical | Acetone, Air, Argon, Citric Acid, Deionized Water, Diesel Fuel, Ethanol, Ethylene Glycol, Fuel Oil, Gasoline, Helium, Kerosene, Krypton, Mineral Spirits, Neon, Nitrogen, Oil, Propane, Salt Water, Soap Solutions, Toluene (Methylbenzene), Water, Xenon, Xylene | 316 Stainless Steel | 302 Stainless Steel | Fluoroelastomer | 7757K46 | 0000 | ||

































