Catalog branch
Check Valves
Navigate deeper into this branch to reach specialized valve families and model-level pages.
Check Valves
Compact Threaded Check Valves
18 products
With a shorter end-to-end length than other check valves, these fit in tight spaces.
High-Flow Threaded Check Valves
67 products
To achieve the maximum possible flow, internal components are designed to reduce flow resistance.
Compact Plastic
5 products
Threaded Check Valves At 1 1/2" long or less, these valves fit in confined spaces.
Plastic Threaded Check Valves
10 products
Plastic provides a lightweight alternative to metal.
High-Pressure
18 products
Threaded Check Valves Rated for up to twice the pressure of standard check valves, these can withstand pressures up to 3,000 psi.
High-Cycling Threaded Check Valves
12 products
With few moving parts to wear out, these valves withstand frequent opening and closing, pulsating flow, and rapid flow reversal.
High-Temperature
28 products
Threaded Check Valves The heat-resistant rubber seal withstands temperatures up to 500° F.
Compact Flange-Mount Check Valves
8 products
Less than half the end-to-end length of standard flange-mount check valves, these can be installed in pipelines with limited clearance.
Check Valves with Barbed Fittings
71 products
Barbs grip onto tubing, providing a secure hold.
Heavy Duty Check Valves
15 products
with Barbed Fittings For more durability than plastic barbed check valves, these have a stainless steel body.
Socket-Connect Check Valves
10 products
Weld to unthreaded metal pipe.
Clear-View Socket-Connect
6 products
Check Valves Visually inspect flow and debris accumulation through the transparent valve body.
Plastic Socket-Connect Check Valves
9 products
Also known as backwater valves, these valves prevent backflow of sewage and wastewater in drain, waste, and vent systems.
Check Valves with Yor-Lok Fittings
18 products
Two sleeves give the fittings extra gripping power. They bite into tubing as you tighten the nut to form a strong seal. All are compatible with Swagelok®, Let-Lok, and Parker A-Lok fittings.
Check Valves with
70 products
Solder-Connect Fittings Solder these valves to copper tubing for a permanent, leak-tight connection.
Butt-Weld Check Valves
5 products
Weld these valves to unthreaded pipe for a smooth, flush connection that provides maximum flow.
High-Cycling Check Valves
32 products
With internal components that resist wear from frequent operation, these valves can cycle as often as once per second.
Union-Insert Check Valves
8 products
To reduce installation time and allow for maintenance without detaching pipe connections, these valves insert into a union fitting.
Check Valves with Quick-Turn Fittings
4 products
Also known as luer lock couplings, quick-turn fittings consist of a plug and a socket that connect with a half turn, so you can easily connect and disconnect your line.
Check Valves for Harsh Chemicals
Easy-to-Install Threaded Check
19 products
Valves for Harsh Chemicals To reduce installation time and allow for maintenance without detaching pipe connections, these valves have union fittings.
Ultra-Chemical-Resistant
5 products
Threaded Check Valves The most chemical-resistant check valves in our offering, these have a PFA body to withstand methyl ethyl ketone, sodium hypochlorite, and other extremely harsh chemicals.
Clear-View Socket-Connect Check
3 products
Valves for Harsh Chemicals Visually inspect flow and debris accumulation through the transparent valve body.
Flanged Check Valves
9 products
for Harsh Chemicals Bolt to ANSI flanges.
Check Valves for Oil and Fuel
High-Performance Threaded
12 products
Check Valves for Fuel These heavy duty valves can withstand pressures up to 1,975 psi and temperatures up to 800° F.
Threaded Check
18 products
Valves for Oil and Fuel
High-Temperature Threaded
6 products
Check Valves for Oil and Fuel For more than twice the temperature rating of standard check valves for oil and fuel, these have a heat-resistant fluoroelastomer seal that can withstand temperatures up to 500° F.
Plastic Threaded Check
13 products
Valves for Oil and Fuel Plastic provides a lightweight alternative to metal.
High-Pressure Threaded
12 products
Check Valves for Oil and Fuel Rated for at least four times the pressure of standard check valves for oil and fuel, these are often used in hydraulic applications with pressures up to 3,000 psi.
Flange-Mount Check
6 products
Valves for Oil and Fuel Install these valves between ANSI flanges.
Check Valves for Drinking Water
Heavy Duty Threaded Check
11 products
Valves for Drinking Water For more durability than plastic, these valves have a metal body.
Threaded Check Valves
146 products
for Drinking Water Body is plastic.
Socket-Connect Check
35 products
Valves for Drinking Water Insert unthreaded pipe into the socket ends and bond with primer and cement to create a permanent, leak-tight connection.
Check Valves with Push-to-Connect
9 products
Fittings for Drinking Water Valves have a plastic body.
Heavy Duty Check Valves with
5 products
Push-to-Connect Fittings for Drinking Water The metal body is more durable than plastic.
Check Valves with Solder-Connect
4 products
Fittings for Drinking Water Solder to copper tubing for a permanent, leak-tight connection.
Check Valves for Food and Beverage
Check Valves with Sanitary
24 products
Quick-Clamp Fittings for Food and Beverage To maintain sanitary standards in food, beverage, and dairy applications, these valves have sanitary quick-clamp connections and polished internal surfaces for easy cleaning.
Insert Check Valves with
5 products
Sanitary Quick-Clamp Fittings for Food and Beverage These compact valves fit into standard sanitary quick-clamp fittings. All are FDA Compliant 21 CFR 177.2600 and have polished surfaces for easy cleaning.