1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings
1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings
1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings
1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings
1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings
1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings
1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings
1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings
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1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings

1 2 Zoll - 2 Zoll PVC Doppelnippel Außengewinde x Außengewinde PVC Rohrfittings

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Beschreibung

PVC Double Nipple Male Thread Fittings — Reliable Connections for Plumbing & Irrigation

When a threaded joint leaks or a pipe run needs extending without a union, finding a fitting that seals cleanly on both ends is the real challenge. These PVC double nipple fittings are designed for plumbers, irrigation installers, and DIY homeowners who need a compact male-to-male threaded connector that holds pressure without corrosion or cracking over time.

Each fitting is moulded from rigid PVC (polyvinyl chloride) with NPT-compatible male threads on both ends. Available in six pipe sizes — 1/2" (DN15), 3/4" (DN20), 1" (DN25), 1-1/4" (DN32), 1-1/2" (DN40), and 2" (DN50) — and three colour options: White, Blue, and Grey. Body length is typically 40–80 mm depending on size; thread engagement depth follows standard NPT taper specifications.

Typical applications include residential cold-water supply lines, drip irrigation manifolds, swimming pool and spa plumbing, and low-pressure compressed-air distribution where a lightweight, corrosion-free nipple is preferred over metal alternatives. The colour coding (White / Blue / Grey) also supports colour-coded system identification in multi-line installations.

🔗 Compatibility: Fits standard NPT-threaded PVC fittings, valves, and pipe couplings. Suitable for cold-water and low-pressure systems up to typically 150 PSI at 23 °C (73 °F). Not rated for hot water or steam service.

✅ Key Features of These PVC Double Nipple Fittings

  • 🔩 Male-to-Male Thread on Both Ends — Connects two female-threaded sockets directly without an additional union or adapter, simplifying tight-space installations.
  • 🎨 Three Colour Options — White, Blue, and Grey variants allow colour-coded line identification in multi-circuit irrigation or plumbing systems.
  • 📏 Six Size Options (1/2" to 2") — Covers the most common residential and light-commercial pipe diameters, reducing the need to stock multiple adapters.
  • 🛡️ Corrosion-Resistant PVC Body — Unaffected by chlorinated water, mild acids, and common fertiliser solutions, making it suitable for pool plumbing and drip irrigation alike.
  • ⚖️ Lightweight Construction — Significantly lighter than brass or galvanised steel nipples, reducing load on threaded joints and easing overhead or vertical installations.
  • 🔧 Standard NPT Thread Profile — Compatible with the full range of NPT-threaded PVC fittings, valves, pumps, and manifolds available at plumbing supply stores.

📐 Technical Specifications — PVC Double Nipple Fittings

Material Rigid PVC (Polyvinyl Chloride)
Connection Type Male NPT Thread × Male NPT Thread
Available Sizes 1/2", 3/4", 1", 1-1/4", 1-1/2", 2"
Colour Options White / Blue / Grey
Body Length See variant options
Max Working Pressure Typically up to 150 PSI at 23 °C (73 °F) — contact us to confirm for specific size
Temperature Range 0 °C to 60 °C (32 °F to 140 °F) — cold water only
Thread Standard NPT (National Pipe Taper)
Finish Smooth moulded PVC surface
Quantity Sold individually (1 piece per order)

❓ Frequently Asked Questions

Which size should I choose for my pipe?

Match the fitting size to your existing pipe's nominal diameter. For example, if your pipe is labelled 3/4" schedule 40 PVC, select the 3/4" nipple. If you are unsure, measure the outer diameter of the pipe: 3/4" pipe has an OD of approximately 26.7 mm (1.05"). Refer to a standard NPT pipe OD chart for other sizes.

Can these fittings handle hot water?

No. These PVC double nipples are rated for cold-water service only, typically up to 60 °C (140 °F) at reduced pressure. For hot-water lines, CPVC or brass fittings are the appropriate choice. Using standard PVC above its rated temperature can cause deformation and joint failure.

Are these fittings resistant to chlorine and pool chemicals?

Yes. Rigid PVC has good resistance to chlorinated water and the concentrations of chlorine, algaecides, and pH-adjustment chemicals typically found in residential swimming pools and spas. This makes these nipples a practical choice for pool plumbing manifolds and filter connections.

Do I need thread sealant (PTFE tape) when installing?

Yes. NPT threads rely on thread sealant to achieve a watertight seal. Apply two to three wraps of PTFE (plumber's) tape clockwise around the male threads before assembly, or use a compatible pipe thread compound. Hand-tighten first, then add 1–2 turns with a strap wrench — avoid over-tightening, which can crack PVC fittings.

What is the difference between the White, Blue, and Grey colour options?

All three colours are made from the same rigid PVC material and carry the same pressure and temperature ratings. The colour difference is purely for identification purposes. Many installers use colour coding to distinguish between water supply, irrigation, and drainage circuits in multi-line systems. Choose the colour that matches your existing fittings or your system's colour-coding convention.

Can I use these fittings for compressed air lines?

PVC fittings can be used in low-pressure compressed-air applications, but this is generally not recommended for shop air systems operating above 50 PSI due to the risk of brittle fracture if the pipe is struck or aged. For compressed-air distribution, consult local codes and consider rated alternatives. For light-duty or intermittent low-pressure use, contact us to confirm suitability for your specific application.

Are these compatible with metric PVC fittings?

These fittings use NPT (National Pipe Taper) threads, which are the standard in North American plumbing. They are not directly compatible with BSP (British Standard Pipe) or metric DIN threads without an adapter. If your existing fittings use BSP threads, please contact us to confirm compatibility before ordering.

🛒 Select your colour and size above, then add to cart.

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