IMPA: 351455

PF Series Quick Connect Coupler Plug - Stainless Steel Rc 3/4 Female Thread

The PF series quick connect coupler plug is a high-quality stainless steel fitting designed for fast and secure fluid line connections in marine and industrial environments. Featuring an Rc 3/4 female pipe thread and a single-end shut-off valve, this plug enables tool-free connect and disconnect while automatically sealing both ends when uncoupled. The floating ball valve on the fluid side instantly stops the flow of liquids or gases, preventing leaks and spills.

Crafted from durable stainless steel, this plug withstands corrosive marine atmospheres and demanding hydraulic, pneumatic, and vacuum applications. Its robust design ensures long service life and reliable performance in shipboard systems, engine rooms, deck machinery, and other critical fluid transfer setups.

Whether used for cooling water lines, fuel transfer, compressed air, or vacuum systems, this PF series plug meets the stringent requirements of maritime professionals. Easy to install and operate, it is a versatile component for any ship chandler inventory.

Key Features

Technical Specifications

TypePF Series Plug
Pipe ThreadRc 3/4
MaterialStainless Steel
Part No.600 PF
Thread TypeFemale Pipe Thread
Valve TypeSingle End Shut Off
UnitPer Pc.

Frequently Asked Questions

What is a quick connect plug and how does it work?

A quick connect plug, also called a quick disconnect coupling, allows for rapid connection and disconnection of fluid lines without tools. The PF series plug features a spring-loaded floating ball valve that automatically shuts off flow when the plug is removed from the mating socket, preventing fluid loss or air ingress.

What does the Rc 3/4 thread designation mean?

Rc 3/4 denotes a British Standard Pipe Taper (BSPT) female thread with a nominal size of 3/4 inch. It is commonly used in marine and industrial piping for secure, leak-free connections in hydraulic and pneumatic systems.

Is this plug suitable for seawater applications?

Yes, the stainless steel construction offers excellent resistance to corrosion from seawater and harsh marine environments, making it ideal for shipboard cooling, washdown, and ballast systems.

What types of fluids can this plug handle?

This plug is designed for hydraulic oil, compressed air, water, and many compatible chemicals in pneumatic, hydraulic, and vacuum circuits. Always verify chemical compatibility with stainless steel and seal materials before use.

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