1/2" BSP Brass Wall Elbow Pipe Fitting | Female-Female & Female-Male Thread

This fitting is sized for 1/2" BSP (British Standard Pipe) threads, which corresponds to a nominal pipe OD of approximately 20.955mm (≈ 13/16"). Always verify your existing pipe thread standard before ordering — BSP sizing refers to the bore of the pipe, not the actual thread OD.

A Female×Female (F×F) elbow has internal threads on both ports, used to connect two male-threaded pipes or fittings at a 90° angle. A Female×Male (F×M) elbow has one internal and one external thread — the male end typically screws into a wall plate, back-outlet fitting, or recessed valve body, making it the standard choice for wall-outlet tap installations.

Wall elbow projection (the distance the fitting extends from the wall surface) depends on the fitting's body dimensions and your wall plate or escutcheon depth. In most cases, the Female×Male configuration is used when the male thread needs to protrude a set distance from the wall. If you need a specific projection measurement, contact us to confirm — generally, 1/2" BSP wall elbows project approximately 25–40mm (1"–1-9/16") from the mounting surface, but this varies by execution style.

Brass BSP fittings of this type are typically rated for working pressures up to 10–16 bar (145–232 psi) and temperatures generally up to approximately 110°C (230°F) for hot water service. For exact ratings in your specific system — particularly gas or steam applications — contact us to confirm before installation.

Brass offers good corrosion resistance for indoor and moderately exposed environments. For outdoor or high-humidity installations, applying PTFE thread tape and protecting the fitting from direct weathering is recommended. In aggressive outdoor or coastal environments, stainless steel fittings are generally a better long-term choice.

BSP and NPT are not directly interchangeable. Although thread counts are similar in some sizes, the thread angle differs — 55° for BSP vs. 60° for NPT — which can cause cross-threading or leaks if mixed. Always match thread standards throughout your plumbing system. If you are unsure of your existing thread type, a thread gauge or caliper measurement can help identify it.

Yes — BSP parallel (G) threads are not self-sealing by design. Apply 2–3 wraps of PTFE (Teflon) thread tape in the direction of the thread, or use a compatible pipe thread sealant compound, before assembly. This ensures a leak-free connection and makes future disassembly easier.

For a single tap or shower outlet, 1–2 pieces are generally sufficient. For multi-outlet bathroom or kitchen rough-in projects, ordering 5–10 pieces at once is more cost-effective and ensures you have spares on hand for adjustments or future repairs. Bulk packs of 5, 8, and 10 are available at a lower per-unit price.