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When a leaking joint or an incompatible fitting brings your plumbing or irrigation project to a halt, you need a connector you can trust. These PVC BSP male threaded nipple pressure fittings are designed for DIYers, plumbers, and workshop builders who need a secure, leak-free threaded connection without the weight or corrosion risk of metal alternatives.
Each fitting is molded from Polyvinyl Chloride (PVC) in a durable grey finish. Available in six thread sizes — 20mm (1/2"), 25mm (3/4"), 32mm (1"), 40mm (1-1/4"), 50mm (1-1/2"), and 63mm (2") — with BSP (British Standard Pipe) male threading on both ends. Wall thickness and pressure ratings vary by size; see variant options for confirmed specifications.
Ideal for cold-water supply lines in residential plumbing, drip irrigation manifolds and garden watering systems, and workshop compressed-air distribution lines where lightweight fittings reduce load on pipe runs.
Molded from Polyvinyl Chloride, these fittings resist rust, scale, and chemical degradation — extending service life in damp or chemically active environments.
Choose from 1/2", 3/4", 1", 1-1/4", 1-1/2", and 2" BSP male thread sizes to match your existing pipe system without adapters.
PVC construction significantly reduces fitting weight compared to brass or galvanized steel, making overhead and tight-space installations more manageable.
Engineered to handle typical cold-water supply pressures in residential and light commercial plumbing and irrigation systems.
Precision-formed BSP threads ensure a consistent, wrench-tight seal with compatible female-threaded fittings, valves, and pipe sockets.
Order a single fitting for a quick repair or up to 30 pieces for a full installation run — bulk packs offer a lower per-unit cost for larger projects.
| Material | Polyvinyl Chloride (PVC) |
|---|---|
| Color / Finish | Grey |
| Thread Standard | BSP (British Standard Pipe) — Male |
| Available Thread Sizes | 20mm (1/2"), 25mm (3/4"), 32mm (1"), 40mm (1-1/4"), 50mm (1-1/2"), 63mm (2") |
| Fitting Type | Nipple (Male × Male) |
| Pressure Rating | See variant options |
| Wall Thickness | See variant options |
| Overall Length | See variant options |
| Application | Cold-water plumbing, irrigation, compressed-air distribution |
| Packing Quantity | 1 / 2 / 3 / 4 / 5 / 8 / 10 / 15 / 20 / 25 / 30 PCS |
Match the fitting size to your pipe's nominal bore (inner diameter). For example, a 20mm fitting suits 1/2" nominal bore pipe, 25mm suits 3/4", 32mm suits 1", and so on. If you are unsure, measure the outer diameter of your pipe and consult a BSP pipe sizing chart to confirm the nominal size.
No — these fittings use BSP (British Standard Pipe) threading, which has a different thread angle and pitch from NPT (National Pipe Thread). Using them together without a conversion adapter can result in cross-threading or leaks. Use a BSP-to-NPT adapter if your system uses NPT threads.
These fittings are rated for cold-water applications. PVC begins to soften at elevated temperatures (typically above 60°C / 140°F), so they are not suitable for hot-water supply lines, steam, or high-temperature industrial fluids. For hot-water applications, consider CPVC or brass fittings instead.
PVC fittings offer good tensile and burst strength for cold-water pressure applications and are resistant to corrosion, scale, and many chemicals. However, they are more susceptible to impact damage and UV degradation than metal fittings. For outdoor above-ground installations, consider UV-stabilized PVC or protect fittings from direct sunlight.
Yes — applying PTFE (plumber's) tape to the male threads before assembly is strongly recommended. Wrap the tape clockwise (in the direction of thread engagement) 2–3 times to ensure a leak-free seal. Avoid over-tightening, as excessive torque can crack PVC fittings.
Count the number of connection points in your project and add 10–15% extra for contingency. For small repairs, the 1–3 PCS options are ideal. For irrigation manifolds or full pipe runs, the 10–30 PCS bulk packs offer a lower per-unit cost and reduce the chance of running short mid-project.
PVC fittings can be used in low-pressure compressed-air systems (typically below 50 PSI / 3.4 bar at ambient temperature). However, PVC can become brittle over time with certain compressor oils and is more prone to catastrophic failure under pressure than metal. Always verify the pressure rating for your specific size variant and consult a qualified professional for safety-critical air systems.
