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When a leaking joint or a mismatched thread derails your plumbing project, the culprit is almost always a low-grade fitting that can't hold a seal. Homeowners, irrigation installers, and workshop builders who need a dependable PVC BSP male nipple fitting will find these blue connectors sized and threaded precisely to eliminate that frustration.
Each PVC nipple is molded from rigid PVC with BSP (British Standard Pipe) male threads on both ends. Available in nine inside-diameter sizes ranging from 20 mm (1/2") through 110 mm (4"), the fittings cover the most common residential and light-commercial pipe schedules. Wall thickness is proportional to pipe diameter, typically 2–4 mm for smaller sizes and 4–7 mm for larger sizes.
Typical applications include garden irrigation manifold assembly, residential cold-water supply lines, workshop compressed-air distribution (low-pressure PVC-rated systems), and aquaculture or pond filtration plumbing — all scenarios where a corrosion-free BSP male threaded pipe adapter blue finish is the practical choice over metal.
| Material | Rigid PVC (Polyvinyl Chloride) |
|---|---|
| Thread Type | BSP (British Standard Pipe) Male |
| Color / Finish | Blue |
| 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") |
| Wall Thickness | See variant options |
| Nipple Length | See variant options |
| Max. Working Pressure | See variant options |
| Temperature Rating | Cold water / ambient temperature (not for hot water or steam) |
| Pack Quantity Options | 1, 2, 3, 4, 5, 8, 10, 15, 20, 25, 30 pieces |
| Application | Irrigation, cold-water plumbing, pond filtration, low-pressure fluid systems |
Match the inside diameter (ID) of the nipple to your existing pipe's nominal size. For example, if you have a 3/4" BSP pipe, select the 25 mm (3/4") variant. The size label on each variant shows both the metric inside diameter and the imperial BSP equivalent, so you can cross-reference either measurement.
Yes. BSP (British Standard Pipe) is a unified thread standard used across metric and imperial plumbing systems in many regions. These nipples carry BSP male threads and will mate with any BSP female-threaded socket, valve, or coupling regardless of whether your system is labeled in mm or inches.
PVC nipples offer adequate tensile and burst strength for cold-water and low-pressure fluid applications. They are not as strong as metal under high mechanical stress or elevated temperatures, but they outperform metal in corrosion resistance and are far lighter. For standard residential irrigation and plumbing at ambient temperatures, PVC is a proven and widely accepted material.
Rigid PVC is inherently corrosion-resistant and unaffected by moisture, most fertilizers, and common pool or irrigation chemicals. Prolonged direct UV exposure can cause surface chalking over many years; if the fitting will be exposed to direct sunlight long-term, wrapping with UV-resistant tape or painting with a compatible latex paint can extend its appearance and service life.
Yes — always use PTFE (Teflon) thread tape or a PVC-compatible pipe thread sealant compound when assembling BSP threaded fittings. Wrap PTFE tape clockwise (when viewed from the male thread end) 2–3 times before threading into the female socket. Avoid over-tightening PVC threads, as excessive torque can crack the fitting.
PVC fittings are generally not recommended for compressed air or gas applications due to the risk of brittle fracture under pressure shock. For compressed air, consult the pressure rating of the specific size you need and follow all applicable local codes. These fittings are intended primarily for water and low-pressure fluid service.
For a small garden drip system with 4–6 zones, ordering 5–10 pieces of the most common sizes (typically 20 mm and 25 mm) provides enough for the manifold plus spares. Larger systems or those with multiple branch points benefit from the 15- or 20-piece packs, which offer a lower per-unit cost and ensure you have extras on hand for future repairs or expansions.
