IMPA: 351345

Quick Connect Coupler PM Series 400 PM – R 1/2 Brass

The PM Series 400 PM Quick Connect Coupler (IMPA 351345) is a single shut-off, male threaded coupling designed for reliable fluid transfer in marine and industrial applications. Manufactured from solid brass, this coupler features a floating ball valve that automatically seals when disconnected, preventing fluid loss and system contamination. With a working pressure of 1.0 MPa (10 kgf/cm²) and a burst pressure of 1.5 MPa, it is suitable for both air and water systems.

This compact and easy-to-use coupler utilizes a ball-lock mechanism for secure one-handed connection and disconnection. The R 1/2 thread ensures compatibility with standard marine hose fittings. Ideal for shipboard pneumatic tools, deck washdown systems, and general fluid transfer, the 400 PM offers durability and leak-free performance in demanding environments.

Key Features

Technical Specifications

SpecificationValue
Part No.400 PM
IMPA Code351345
TypeQuick Connect Coupler, Plug
ThreadR 1/2 (BSPT)
MaterialBrass
Working Pressure1.0 MPa (145 psi)
Burst Pressure1.5 MPa (218 psi)
Applicable FluidsAir, Water
Shut-off TypeSingle (plug side)
ConnectionMale threaded

Frequently Asked Questions

What is the working pressure of this coupler?

The PM Series 400 PM coupler has a working pressure of 1.0 MPa (145 psi) and a burst pressure of 1.5 MPa (218 psi).

Is this coupler suitable for use with water?

Yes, it is designed for air and water applications, making it ideal for deck washdown and pneumatic systems.

What type of thread does the 400 PM have?

It features an R 1/2 (BSPT taper) male thread, commonly used in marine and industrial fittings.

Does the coupler automatically shut off when disconnected?

Yes, it is a single shut-off design. The plug side includes a floating ball valve that closes automatically upon disconnection to prevent fluid loss.

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