Festo Piloted check valve, HGL-1/2-B (530033)

This non-return valve provides unidirectional flow control for pneumatic systems in industrial settings. It is built for use where reliable prevention of backflow is required and operates across a typical workshop temperature range, making it suitable for automation and mechanical installations. The unit accepts either male or female inlet and outlet connections to support inline assembly and is compatible with common industry fluid quality standards.

Features & Benefits

• Maximum operating pressure 10 bar enabling robust system protection
• Working temperature range -10°C to 60°C for varied environment use
• Minimum operating pressure 0.5 bar allowing low-pressure activation
• Manufactured from nickel-plated brass and anodised alloy for corrosion resistance
• Conforms to ISO 8573-1 particulate classifications aiding pneumatic purity control

Applications

• Suitable for pneumatic actuator circuits to prevent backflow
• Ideal for compressed-air distribution lines in automation panels
• Used for safety isolation on testing rigs and instrumentation
• Can be used for inline protection of control valves and solenoids