IMPA: 351424

Female Thread Quick-Connect Couplers 400 SF – Stainless Steel 304

The Female Thread Quick-Connect Coupler 400 SF is a general-purpose coupling designed for reliable fluid transfer in marine pneumatic, hydraulic, and vacuum systems. Made from stainless steel 304, it offers excellent corrosion resistance and durability in harsh marine environments. The coupler features a floating ball valve that automatically shuts off flow when disconnected, preventing spills and pressure loss.

With a female pipe thread of Rc 1/2 and a working pressure of 1.5 MPa (15 kgf/cm²), this compact coupling set connects and disconnects easily, providing dependable service for air, water, and other compatible fluids. Ideal for ship chandlery applications, it ensures safe and efficient operation in hose and coupling systems.

Key Features

Technical Specifications

SpecificationDetails
SeriesSF Series Socket
Part Number400 SF
Female Pipe ThreadRc 1/2
MaterialStainless Steel 304
Working Pressure1.5 MPa (15 kgf/cm²)
Burst Pressure2.0 MPa (20 kgf/cm²)
Applicable FluidsAir, Water
IMPA Code351424

Frequently Asked Questions

What is the working pressure of the 400 SF quick-connect coupler?

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

What fluids can be used with this coupler?

It is suitable for air and water, and can be used in pneumatic, hydraulic, and vacuum systems.

Does the coupler automatically shut off flow when disconnected?

Yes, the floating ball valve automatically stops the flow of liquid or gas when the coupling is disconnected.

What is the thread size and material?

The female pipe thread is Rc 1/2, and the coupler is made of stainless steel 304 for corrosion resistance.

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