IMPA: 351342

Quick Connect Coupler PM Series Plug 20 PM – Brass, R 1/4 Thread

The Quick Connect Coupler PM Series Plug (Model 20 PM) is a single shut-off, externally threaded quick connector designed for efficient fluid transfer in marine pneumatic, hydraulic, and vacuum systems. Crafted from durable brass, this plug features a floating ball valve that automatically stops flow upon disconnection, ensuring safety and preventing fluid loss. With a working pressure of 1.0 MPa (10 kgf/cm²) and a proof pressure of 1.5 MPa, it is suitable for air and water applications.

This IMPA 351342 coupler is part of the PM Series, known for compact design and easy one-hand operation. The R 1/4 thread provides a secure connection to compatible sockets. Ideal for ship chandlers and marine engineers needing reliable, corrosion-resistant couplings for onboard maintenance and repair tasks.

Key Features

Technical Specifications

SpecificationDetails
Part No.20 PM
ThreadR 1/4
MaterialBrass
Working Pressure1.0 MPa (145 psi)
Proof Pressure1.5 MPa (218 psi)
Applicable FluidsAir, Water
IMPA Code351342
UnitEach

Frequently Asked Questions

What is the working pressure of this coupler?

The working pressure is 1.0 MPa (145 psi) with a proof pressure of 1.5 MPa (218 psi).

What fluids can be used with this plug?

This plug is suitable for air and water applications.

Is this a single shut-off or double shut-off coupler?

It is a single shut-off (plug side) – the socket side remains open when disconnected. The plug automatically seals when removed.

What thread type does this plug have?

It has an R 1/4 external thread (BSPT taper thread).

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