BSP Female 5-Way Pipe Fitting – Stainless Steel Elbow Connector Adapter, 1/4" to 2"

BSP sizes refer to the nominal bore of the pipe, not the outer thread diameter. Measure the outer diameter of your pipe's male thread and compare it to a BSP thread chart. For example, a 1/2" BSP fitting typically has an outer thread diameter of approximately 20.9mm (≈0.825"). Common reference points: 1/4" BSP ≈ 13.2mm (≈0.52") OD; 3/4" BSP ≈ 26.4mm (≈1.04") OD; 1" BSP ≈ 33.2mm (≈1.31") OD. When in doubt, use a thread gauge or contact us to confirm before ordering.

Stainless steel BSP fittings of this type generally support working pressures in the range of 150–300 PSI, though the exact rating varies by size — larger sizes typically carry lower pressure ratings due to increased bore area. Please contact us to confirm the rated working pressure for your specific size before installing in high-pressure systems.

Yes. Stainless steel construction provides strong resistance to rust, oxidation, and general corrosion, making these fittings well-suited for outdoor plumbing, garden irrigation manifolds, and damp or humid environments. For highly aggressive media or saltwater immersion applications, verify that the specific stainless steel grade meets your corrosion resistance requirements before installation.

BSP and NPT are not interchangeable. BSP uses a 55° thread angle while NPT uses 60°, and their thread pitches differ at most nominal sizes. In most cases, BSP and NPT threads of the same nominal size will not seal reliably together even if they partially engage. If your existing system uses NPT threads, you will need a dedicated BSP-to-NPT adapter fitting.

It depends on whether your mating fitting uses tapered (BSPT) or parallel (BSPP) threads. For BSPT connections, PTFE tape or a thread sealant compound is generally recommended to achieve a leak-free seal. For BSPP connections, a bonded seal washer or O-ring face seal is typically used instead of tape. Check your mating fitting type and apply the appropriate sealing method before pressurizing the system.

A 5-way fitting has five threaded ports in a single body, allowing one supply line to branch into four outlets (or any combination of inlets and outlets) without chaining multiple tee fittings together. This reduces the total number of joints in the system, which in turn reduces potential leak points and simplifies installation. Common use cases include irrigation zone manifolds, compressed air distribution blocks in workshops, and multi-line fluid routing in hydroponics or light industrial plumbing.

For residential irrigation systems using BSP fittings, 1/2" and 3/4" BSP are the most commonly used sizes for main supply and zone branch lines. Note that standard US garden hose connections use 3/4" GHT (Garden Hose Thread), which is a different standard from BSP — a GHT-to-BSP adapter would be needed to connect the two. Measure your existing fittings or consult your irrigation system documentation to confirm the correct BSP size before ordering.