IMPA: 351303

Steel Quick Connect Coupler Socket SM Series – Male Thread R 3/8

This steel quick connect coupler socket (female) from the SM series features a male pipe thread R 3/8 and is designed for reliable fluid handling in marine, hydraulic, pneumatic, and vacuum systems. The socket incorporates a floating ball valve that automatically shuts off flow when disconnected, preventing spills and pressure loss.

Constructed from durable steel, this coupler socket offers a working pressure of 1.5 MPa (15 kgf/cm²) and a pressure resistance of 2.0 MPa (20 kgf/cm²). It is primarily used for air applications but is also suitable for other fluids. The compact and robust design ensures easy connection and disconnection, making it ideal for shipboard hose and coupling systems.

Key Features

Technical Specifications

SpecificationValue
TypeSocket (Female)
SeriesSM
MaterialSteel
Male Pipe ThreadR 3/8
Part No.30 SM
Working Pressure1.5 MPa (15 kgf/cm²)
Pressure Resistance2.0 MPa (20 kgf/cm²)
Major Applicable FluidAir
UnitPc.

Frequently Asked Questions

What is the working pressure of this coupler socket?

The working pressure is 1.5 MPa (15 kgf/cm²), with a pressure resistance of 2.0 MPa (20 kgf/cm²).

Is this socket suitable for hydraulic oil?

While primarily designed for air, the steel construction and ball valve make it suitable for many fluids. However, always verify compatibility with your specific fluid.

What thread type does this socket have?

It has a male pipe thread R 3/8 (BSPT).

Does this socket shut off flow when disconnected?

Yes, the socket features a floating ball valve that automatically stops flow when the plug is disconnected.

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