Female Adaptor (BSP Thread - Flat End)

Grey Acetal Female Adaptor Flat End (BSP Thread)
Disclaimer: All images are for illustrative purposes only.

You will also need:

Locking Clip

Locking Clip

Prevents accidental disconnection of a speedfit fitting. Locks collet into position.

Adaptor for converting a metric pipe size connection to a FBSP type connection.

John Guest female adaptor (BSP thread - flat end) push-fit fitting converts a John Guest push-fit connection to a female BSP type connection. Fast and simple to install, John Guest Air and Pneumatics creates an instant connection and airtight seal without the need for tools, hot works or sealing agents. Air piping systems can be set up and installed 50% quicker than traditional methods.

The unique collet locking design firmly and securely holds the pipe in place without deforming the pipe or restricting flow. Fittings are also fully demountable, reducing system downtime during maintenance and making it quick and easy to modify or extend systems.

Designed in tough engineered plastic, fittings are compatible with John Guest nylon, powder coated aluminium or LLDPE tubing, as well as copper, PEXa and other soft metal pipe materials. All John Guest fittings are manufactured and assembled in the UK.

Features and benefits

  • Strong acetal copolymer fitting with nitrile O-Ring
  • Airtight connection with superior flow characteristics
  • Instant push-fit connection and demountable without tools
  • Secure collet cover prevents accidental disconnection
  • Suitable for air and pneumatics piping systems up to 10 bar
  • Ideal for air, inert gases and vacuum applications
  • Food grade fitting suitable for potable liquids
  • Compatible with soft metal or plastic pipe/tubing


BSI Thermo Pipes and Fixings accredited
SKUDescriptionPipe OD ″BSP ″Quantity per bagQuantity per boxAccreditations
PI451014FSFemale Adaptor (BSP thread - Flat End) 5⁄16″ × 1⁄2″5⁄161⁄210150
PI451015FSFemale Adaptor (BSP thread - Flat End) 5⁄16″ × 3⁄8″5⁄163⁄810150
PI451213SFemale Adaptor (BSP thread - Flat End) 3⁄8″ × 3⁄8″3⁄83⁄810150
PI451214FSFemale Adaptor (BSP thread - Flat End) 3⁄8″ × 1⁄2″3⁄81⁄210150
PI451215FSFemale Adaptor (BSP thread - Flat End) 3⁄8″ × 5⁄8″3⁄85⁄810150
PI451613SFemale Adaptor (BSP thread - Flat End) 1⁄2″ × 3⁄8″1⁄23⁄810150
PI451615FSFemale Adaptor (BSP thread - Flat End) 1⁄2″ × 5⁄8″1⁄25⁄810150