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The LEGRIS 7894 10 17 is a piloted non-return air flow control valve with integrated flow regulator and exhaust function, designed for use in pneumatic control circuits. The body is constructed from nickel-plated brass with a Buna Nitrile o-ring seal, providing reliable performance in compressed-air applications. It accepts a 10mm outside diameter tube via a push-to-connect fitting and connects to the pneumatic circuit through a 3/8 BSPP male thread port. This valve is installed by industrial maintenance technicians and automation professionals who need directional flow control with pilot-operated non-return action and regulated exhaust in a single compact unit.
This valve suits pneumatic actuator circuits in manufacturing, automation, and process control environments where controlled exhaust flow and pilot-operated check function are required. The push-to-connect tube fitting allows fast, tool-free tube insertion for 10mm OD tubing, reducing installation time during panel build or field service. The 3/8 BSPP male thread is standard in European and international pneumatic systems, making this valve compatible with a wide range of manifolds, actuator ports, and pneumatic sub-bases.
Designed for use with 10mm outside diameter pneumatic tubing and 3/8 BSPP threaded ports in compressed-air flow control applications.
Depressurize and lock out the pneumatic supply line before removing or installing this valve. Thread engagement should follow torque guidance appropriate for nickel-plated brass fittings in BSPP connections - do not overtighten. Insert 10mm OD tubing fully into the push-to-connect port until it seats, and verify retention before repressurizing. Installation should conform to applicable pneumatic safety standards and local codes governing compressed-air systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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