IMPA: 351441

PF Series Quick Connect Coupler Plug - Brass Rc 1/4 Female Thread

This PF series quick connect coupler plug is designed for fast, secure connections and disconnections in fluid transfer systems. Machined from high-quality brass, it delivers excellent corrosion resistance and durability in demanding marine, industrial, and mechanical environments. The Rc 1/4 female pipe thread allows for straightforward integration into existing hose and coupling assemblies.

Equipped with a single-end shut-off valve, the plug automatically stops the flow of liquid or gas when disconnected from its mating coupler. The internal floating ball valve on the fluid side ensures a tight, leak-free seal, preventing spills and maintaining system pressure. This feature makes it a safe and reliable choice for hydraulic, pneumatic, vacuum, and general fluid handling applications aboard vessels and in shore-based facilities.

Key Features

Technical Specifications

SpecificationValue
SeriesPF
TypePlug
Pipe ThreadRc 1/4
MaterialBrass
Part No.20 PF
Thread TypeFemale Pipe Thread
Valve TypeSingle End Shut Off
UnitPer Pc.
IMPA Code351441

Frequently Asked Questions

What is this quick connect coupler plug used for?

This plug is used in hydraulic, pneumatic, and vacuum systems to quickly connect and disconnect fluid lines without losing pressure or spilling fluid. Its single-end shut-off valve automatically seals the line when disconnected, making it ideal for shipboard equipment, industrial machinery, and mechanical applications.

What thread type and size does this plug have?

It features an Rc 1/4 female pipe thread (BSPT taper thread), which is commonly used in marine and industrial piping. The Rc designation indicates a tapered internal thread that provides a tight seal when mated with a corresponding male thread.

Is this plug compatible with other coupler brands?

This PF series plug is designed to intermate with standard quick-connect couplers of the same series and thread size, following common industry compatibility patterns. Always verify the coupling profile and thread specifications to ensure a proper fit.

What material is the plug made of and is it suitable for saltwater environments?

Machined from brass, this plug offers good corrosion resistance, making it suitable for marine and saltwater environments. For optimal longevity, rinse with fresh water after exposure to seawater and store in a dry location.

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