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When a leaking or mismatched pipe joint slows down your plumbing or irrigation project, you need a connector that threads on cleanly and holds tight. These PVC double nipple male thread fittings are designed for DIYers, plumbers, and irrigation installers who need a dependable, lightweight solution for joining threaded pipe sections without corrosion concerns.
Each fitting is molded from rigid PVC (polyvinyl chloride) and features external (male) threads on both ends. Available in six sizes — 20mm (~1/2"), 25mm (~3/4"), 32mm (~1"), 40mm (~1-1/4"), 50mm (~1-1/2"), and 63mm (~2") — with white or blue color options. Thread standard follows BSP/metric pipe thread conventions typical for PVC fittings in this size range.
Typical use cases include residential cold-water supply line extensions, drip irrigation manifold assemblies, garden hose bib connections, and low-pressure fluid transfer setups where a male-to-male threaded nipple is required to bridge two female-threaded components.
| Material | Rigid PVC (Polyvinyl Chloride) |
|---|---|
| Connection Type | Male Thread × Male Thread (Double Nipple) |
| Thread Standard | BSP / Metric (see variant options for exact pitch) |
| Available Sizes | 20mm, 25mm, 32mm, 40mm, 50mm, 63mm |
| Approximate Inch Equivalents | 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" |
| Color Options | White, Blue |
| Max Working Pressure | See variant options |
| Temperature Rating | Cold water / ambient temperature (not for hot water) |
| Fitting Length | See variant options |
| Seal Method | PTFE tape recommended |
| Application | Water supply, irrigation, low-pressure fluid transfer |
Match the fitting size to your existing pipe's outer diameter or thread size. The 20mm fits 1/2" female threads, 25mm fits 3/4", 32mm fits 1", 40mm fits 1-1/4", 50mm fits 1-1/2", and 63mm fits 2" female-threaded sockets. When in doubt, measure the inner diameter of your female fitting and select the corresponding size above.
Both colors are made from the same rigid PVC material and carry identical performance characteristics. White is the standard color for general plumbing use. Blue is commonly used in irrigation systems to visually distinguish water lines, making multi-line setups easier to trace and maintain.
No. These PVC double nipple fittings are rated for cold water and ambient-temperature applications only. For hot water systems, CPVC or brass fittings with appropriate temperature ratings should be used instead.
Rigid PVC fittings in this size range are typically rated for low-to-moderate working pressures suitable for residential water supply and drip irrigation. Exact pressure ratings vary by size and wall thickness. For high-pressure applications, consult the variant specifications or contact us to confirm suitability before purchase.
Yes. PTFE (plumber's) tape is strongly recommended on all threaded connections to ensure a watertight seal and prevent thread galling. Wrap 2–3 layers of PTFE tape clockwise around the male threads before threading into the female fitting. Avoid over-tightening, which can crack PVC threads.
PVC is inherently resistant to rust, scale, and most common water treatment chemicals. For outdoor use, prolonged direct UV exposure can cause gradual surface degradation over time. If the fitting will be exposed to direct sunlight long-term, consider wrapping or painting with UV-resistant coating, or routing the line through a shaded or buried path.
Yes. PVC double nipple fittings are widely used in drip irrigation and garden irrigation manifold assemblies to connect valves, tees, and distribution headers. Select the size that matches your manifold's female inlet threads for a secure, leak-free connection.
