Brass BSP Tee Fitting 1/8" 1/4" 3/8" — Male Female Thread Pipe Connector

Match the fitting size to your existing pipe thread diameter. BSP sizes are measured by nominal bore, not outer diameter — so a 1/4" BSP fitting typically has an outer thread diameter of around 13.16mm (≈0.52"). Always check your pipe's thread standard (BSP/BSPP) before ordering. When in doubt, measure the thread OD with calipers and compare to a BSP thread chart.

Brass BSP tee fittings generally support working pressures up to 150–200 PSI for water and air applications at ambient temperatures. For high-pressure or steam systems, please contact us to confirm suitability before ordering.

Brass has naturally good corrosion resistance and is suitable for outdoor and damp environments in most cases. However, for prolonged saltwater or highly acidic exposure, additional sealing or a more corrosion-resistant alloy may be advisable.

These are BSP (British Standard Pipe) thread fittings — specifically BSPP (parallel thread). They are not compatible with NPT (National Pipe Taper) fittings without an adapter. BSP is the standard used across the UK, EU, Australia, and many Asian markets.

Yes — for BSPP (parallel) threads, a sealing method such as PTFE tape, thread sealant paste, or a bonded seal washer is generally required to achieve a leak-free joint. Apply 2–3 wraps of PTFE tape in the direction of the thread before assembly.

A male port has external threads that screw into a female socket. A female port has internal threads that accept a male fitting. The tee configurations listed (e.g., 1/8" M × 1/8" M × 1/8" M) describe the thread gender on each of the three ports — choose the combination that matches your existing pipe ends.

Brass fittings are commonly used in low-pressure gas distribution systems. However, gas installations are subject to local codes and regulations. Always verify compliance with your local plumbing or gas authority before installing any fitting on a gas line.