Silencer

PISCO PNEUMATIC Pneumatics Fittings

Silencer

Silencer, connected to the exhaust port of a device, suppresses the exhaust noise. PBT is used for the main resin parts. PBT: A standard resin material that is ideal for general environments. Brass with electroless nickel plating is used for the main metal parts. NBR is used for the seal rubber material. The specified fluid medium is Air. The operating pressure range is 0 to 0.9MPa. The operating temperature range is 0 to 60℃ (No freezing).
  • Brand PISCO PNEUMATIC
  • Category Pneumatics
  • Subcategory Fittings
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Product Overview

The Silencer is a noise suppression device designed to be connected directly to the exhaust port of a mechanical or pneumatic system. By attaching to the exhaust outlet, it effectively reduces the sound generated by air flow, helping to meet noise regulations and improve operational comfort in industrial environments.

Construction and Materials

The silencer's main resin components are manufactured from PBT (polybutylene terephthalate), a durable and reliable thermoplastic suitable for general environmental conditions. Critical metal parts, such as structural joints and fittings, are made from brass with an electroless nickel plating layer to enhance corrosion resistance and mechanical strength. The sealing interface uses NBR (nitrile rubber), which provides effective sealing under normal operating conditions, though it has limited ozone resistance.

Configuration and Connections

The silencer is available in three connection types: taper thread, metric male thread, and push-in fitting. This allows for flexible integration with a wide range of equipment depending on the original exhaust port design or manufacturer specifications.

Operating Characteristics

The silencer operates under air as the fluid medium, with an operating pressure range from 0 to 0.9 MPa and a temperature range from 0 to 60°C. It is not designed for use in freezing conditions, as operation below 0°C may compromise performance or material integrity.

Sizes and Options

Available sizes include φ4 mm, φ6 mm, and φ8 mm (equivalent to φ5/32 inch, φ1/4 inch, and φ5/16 inch). Connection options vary by thread type: metric male threads (M5x0.8, M6x1, M10x1), parallel pipe male threads (G1/8, G1/4, G3/8, G1/2), UNF threads (10-32UNF), and NPT threads (NPT1/8, NPT1/4, NPT3/8, NPT1/2).

Installation and Integration

The silencer integrates directly into the exhaust system via its threaded or push-in interface. It is compatible with standard threaded connections such as metric, parallel pipe, and NPT threads, enabling straightforward installation without requiring specialized tools or modifications.

SpecificationDetails
Fluid mediumAir
Operating pressure range0 to 0.9MPa
Operating temp. range0 to 60℃ (No freezing)
mm size (mm)φ4, φ6, φ8
inch sizeφ5/32, φ1/4, φ5/16
Metric male threadM5x0.8, M6x1, M10x1
Parallel pipe male threadG1/8, G1/4, G3/8, G1/2
UNF Thread10-32UNF
NPT ThreadNPT1/8, NPT1/4, NPT3/8, NPT1/2
Main resin materialPBT
Main metal materialBrass with electroless nickel plating
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