Festo Corporation Datasheets for Check Valves

Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves. 
Check Valves: Learn more

Product Name Notes
Non return valve -- H-1/2-B
Non return valve -- H-1/4-B
Non return valve -- H-1/8-A/I
Non return valve -- H-3/4-B
Non return valve -- H-3/8-B
Non return valve -- H-M5
Non return valve -- H-QS-1/2-U
Non return valve -- H-QS-1/4-U
Non return valve -- H-QS-10
Non return valve -- H-QS-12
Non return valve -- H-QS-3/8-U
Non return valve -- H-QS-4
Non return valve -- H-QS-5/16-U
Non return valve -- H-QS-6
Non return valve -- H-QS-8
Non return valve -- H-QSM-3/16-U
Non return valve -- H-QSM-5/32-U
Non return valve -- HA-1/2-QS-12
Non return valve -- HA-1/2-QS-3/8-U
Non return valve -- HA-1/4-QS-1/4-U
Non return valve -- HA-1/4-QS-5/16-U
Non return valve -- HA-1/4-QS-6
Non return valve -- HA-1/4-QS-8
Non return valve -- HA-1/8-QS-1/4-U
Non return valve -- HA-1/8-QS-4
Non return valve -- HA-1/8-QS-5/16-U
Non return valve -- HA-1/8-QS-6
Non return valve -- HA-1/8-QS-8
Non return valve -- HA-10-32-UNF-QSM-5/32-U
Non return valve -- HA-3/8-QS-10
Non return valve -- HA-3/8-QS-12
Non return valve -- HA-3/8-QS-3/8-U
Non return valve -- HA-M5-QS-4
Non return valve -- HB-1/2-QS-12
Non return valve -- HB-1/4-QS-1/4-U
Non return valve -- HB-1/4-QS-5/16-U
Non return valve -- HB-1/4-QS-6
Non return valve -- HB-1/4-QS-8
Non return valve -- HB-1/8-QS-1/4-U
Non return valve -- HB-1/8-QS-4
Non return valve -- HB-1/8-QS-5/16-U
Non return valve -- HB-1/8-QS-6
Non return valve -- HB-1/8-QS-8
Non return valve -- HB-1/8-QSM-5/32-U
Non return valve -- HB-3/8-QS-10
Non return valve -- HB-3/8-QS-12
Non return valve -- HB-3/8-QS-3/8-U
Non return valve -- HB-M5-QS-4
Valve function: non-return function Screw-in or in-line installation With connecting thread at both ends, push-in connector at both ends, thread/push-in connector
Piloted non return valve -- HGL-1/2-B
Piloted non return valve -- HGL-1/2-NPT
Piloted non return valve -- HGL-1/2-QS-12
Piloted non return valve -- HGL-1/4-B
Piloted non return valve -- HGL-1/4-NPT
Piloted non return valve -- HGL-1/4-QS-10
Piloted non return valve -- HGL-1/4-QS-8
Piloted non return valve -- HGL-1/8-1/8-B
Piloted non return valve -- HGL-1/8-B
Piloted non return valve -- HGL-1/8-NPT
Piloted non return valve -- HGL-1/8-QS-4
Piloted non return valve -- HGL-1/8-QS-6
Piloted non return valve -- HGL-3/8-B
Piloted non return valve -- HGL-3/8-NPT
Piloted non return valve -- HGL-3/8-QS-10
Piloted non return valve -- HGL-3/8-QS-8
Piloted non return valve -- HGL-M5-B
Piloted non return valve -- HGL-M5-QS-4
Valve function: piloted non-return function Pneumatically piloted Screw-in with external thread Pilot air connection: M5, G1/8, G1/4, G3/8, QS-4 Manually actuated exhaust possible with separate accessory