Technical Specifications

What Does a Plastic Pneumatic Silencer Do?

When a directional control valve switches, compressed air from the cylinder chamber being emptied is vented through the valve. Releasing it through a silencing element rather than as an open jet can reduce the sharp exhaust noise.

This compact format is useful where a small threaded exhaust-port accessory is preferred. It is a fixed silencer; it should not be used as a substitute for an adjustable cylinder-speed controller.

Why Choose a Plastic-Exhaust Silencer?

Plastic-family silencers provide a compact alternative to metal-bodied mufflers. Material selection matters in environments involving temperature extremes, oil mist, cleaning chemicals or impact.

The exact polymer and temperature rating are not specified in this catalogue record. Do not assume a particular material or operating limit without checking the manufacturer data.

Protecting Exhaust Flow and Cylinder Speed

Every exhaust silencer introduces some resistance. If its flow capacity is inadequate, or if the silencing medium clogs, valve exhaust backpressure can rise and pneumatic cylinder speed can fall.

The PSU-04 uses the listed 1/2 NPT connection. Check valve-port thread compatibility and required exhaust flow before fitting.

Typical Applications

• Directional-control-valve exhaust outlets
• Pneumatic cylinder installations requiring compact local exhaust silencing
• Compressed-air equipment with compatible threaded exhaust ports