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When a leaking joint or mismatched fitting brings your plumbing project to a halt, you need a connector that threads on cleanly and holds tight. These grey PVC BSP male threaded nipple connectors are designed for DIYers, plumbers, and irrigation installers who need a dependable, corrosion-free solution without the weight or cost of metal fittings.
Each nipple is moulded from rigid grey PVC and features BSP (British Standard Pipe) male threads on both ends. Available in nine inside diameter sizes — 20 mm (1/2"), 25 mm (3/4"), 32 mm (1"), 40 mm (1-1/4"), 50 mm (1-1/2"), 63 mm (2"), 75 mm (2-1/2"), 90 mm (3"), and 110 mm (4") — with packing quantities from 1 to 30 pieces per order.
Typical applications include residential cold-water supply lines, garden drip irrigation manifolds, pool and spa plumbing, and workshop compressed-air distribution systems where a lightweight BSP male adapter nipple is required to extend or join pipe runs.
| Material | Rigid PVC (Polyvinyl Chloride) |
|---|---|
| Colour / Finish | Grey |
| Thread Standard | BSP (British Standard Pipe) — Male |
| Available Sizes (Inside Dia.) | 20 mm (1/2"), 25 mm (3/4"), 32 mm (1"), 40 mm (1-1/4"), 50 mm (1-1/2"), 63 mm (2"), 75 mm (2-1/2"), 90 mm (3"), 110 mm (4") |
| Packing Quantity Options | 1 / 2 / 3 / 4 / 5 / 8 / 10 / 15 / 20 / 25 / 30 pcs |
| Working Pressure | See variant options |
| Temperature Rating | Cold water / ambient temperature (not for hot water or steam) |
| Wall Thickness | See variant options |
| Nipple Length | See variant options |
| Connection Type | Male BSP threaded both ends |
| Application | Plumbing, irrigation, pool & spa, compressed air (low pressure) |
Match the inside diameter (ID) of your existing pipe to the nipple size. For example, if your pipe has a 20 mm bore, select the 20 mm (1/2") option. The size label in the variant selector shows both the metric inside diameter and the equivalent BSP inch designation to help you identify the correct fit.
Yes. These connectors are machined to BSP (British Standard Pipe) thread dimensions, which are widely used in plumbing systems across the UK, Australia, Asia, and many other regions. They thread directly into any standard BSP female socket, valve, or coupling of the matching size.
No. Rigid PVC is not rated for hot water or steam service. These nipples are intended for cold-water supply, irrigation, pool plumbing, and low-pressure ambient-temperature applications. For hot water lines, a metal or CPVC fitting is recommended.
Wrap the male threads with 2–3 layers of PTFE (plumber's) tape before threading into the female fitting. Tighten firmly by hand, then use a pipe wrench for a final quarter-turn. Avoid over-tightening, which can crack PVC threads.
Grey PVC is resistant to rust, scale, and most common water-treatment chemicals. For above-ground outdoor installations with prolonged UV exposure, consider wrapping or painting the fitting, as extended direct sunlight can gradually degrade unprotected PVC over several years.
Count the number of joints in your project and add 10–15% as spares. For a single repair, the 1-piece option is ideal. For irrigation manifolds or multi-outlet systems, the 5, 10, or 20-piece packs offer better value per unit. Bulk packs of 25 or 30 suit contractors or larger installations.
These PVC nipples can be used in low-pressure compressed-air distribution lines (typically up to 6 bar / 87 psi at ambient temperature). Always verify the working pressure rating for your specific size variant and do not use in high-pressure or impact-prone pneumatic applications.
