Poly Reducing Coupling – Black Polyethylene (PE)
Black Polyethylene Reducing Couplings (sockets) are designed to connect BSP threaded pipes or fittings of different sizes securely. Manufactured from high-quality polypropylene, these fittings are durable, lightweight, and resistant to corrosion, chemicals, and UV exposure—ensuring long-lasting performance for both plumbing and irrigation systems.
Made to AS/NZS 4020 standards, these reducing couplings are suitable for residential, commercial, and irrigation applications. Many brands also hold WaterMark approval, ensuring compliance with Australian plumbing regulations.
Key Features
- Durable Polypropylene Construction – Provides long-lasting strength and reliability.
- Reducing Connection – Connects two BSP threaded pipes or fittings of different sizes.
- Chemical & UV Resistant – Performs well in outdoor and industrial applications.
- BSP Thread Compatibility – Female x Female threads designed for secure connections.
- High Pressure Ratings – Supports up to PN16 depending on size.
- WaterMark Approved (many brands) – Ensures Australian plumbing compliance.
- Easy Installation – Works best with white Teflon thread sealant.
- Versatile Applications – Suitable for plumbing, irrigation, and mains water systems (licensed plumber required).
Specifications
- Material: Black Polyethylene (PE) / Polypropylene
- Thread Type: BSP (British Standard Pipe) – Female x Female
- Shape: Reducing Coupling
- Pressure Ratings:
- Up to PN16 (1600 kPa / 235 psi) for sizes up to 2"
- PN12 (1200 kPa / 175 psi) for 2-1/2"
- PN10 (1000 kPa / 145 psi) for 3" and 4"
- Sizes Available: 12mm to 50mm (see variants below)
- Sealant Recommendation: White Teflon tape
Variants (SKU – Size)
- PBF050 — 20mm FF x 12mm FF
- PBF051 — 25mm FF x 20mm FF
- PBF051A — 32mm FF x 25mm FF
- PBF051R — 40mm FF x 25mm FF
- PBF052 — 32mm FF x 40mm FF
- PBF052R — 25mm FF x 50mm FF
- PBF053 — 50mm FF x 40mm FF
Note: Always use a licensed plumber when connecting fittings to mains water supply.