1/4 Inch Oil-Free Air Compressor Intake Silencer

Intake Noise Control in a Compact Threaded Housing

This 1/4 inch intake silencer is installed at the air inlet of an oil-free compressor pump. It combines a threaded connection with an internal filter and sound-absorbing element, giving the pump a compact intake component for applications where inlet noise and airborne dust need to be managed together.

The black coated iron housing has a listed Φ50.0mm shell diameter and 60.0mm overall height. Its G1/4 male thread uses a 13.15mm outside diameter and 1.337mm pitch / 19 TPI. Check the pump-head inlet, clearance around the housing and replacement space before ordering.

The 15–20 dB(A) noise-reduction range and 10–20 μm filtration range are listed industry reference values, not a universal result for every compressor assembly. Actual performance depends on the pump, installation and operating conditions.

Technical Profiles & Materials

G1/4 Threaded Pump-Inlet Connection

The silencer uses a G1/4 male thread for installation at a compatible oil-free compressor inlet. The listed thread outside diameter is 13.15mm, with a 1.337mm pitch and 19 TPI. Confirm the pump-head thread before fitting.

Black Coated Iron Housing

The outer shell is specified as industrial iron with a black anti-rust and wear-resistant coating. The listed shell diameter is Φ50.0mm and the overall height is 60.0mm, creating a short cylindrical housing for a compressor intake position.

Filter and Sound-Absorbing Element

The internal structure is listed as microporous high-efficiency filter paper combined with high-density flame-retardant sound-absorbing cotton. This construction is intended to support cleaner intake air and reduce intake pulsation noise while maintaining a practical airflow path.