20mm Blue MDPE to 1/2″ BSP Female Threaded Adaptor Joiner

20mm Blue MDPE to 1/2″ BSP Female Threaded Adaptor Joiner

Features

This compression threaded adaptor provides a reliable, professional connection designed specifically to link 20mm blue MDPE water main pipe directly to a standard 1/2″ BSP male iron or brass thread. Engineered with a robust compression mechanism on the MDPE side and a female threaded socket on the other, it enables a secure transition between modern polyethylene water mains and legacy metal pipework. Furthermore, the fitting comes complete with a dedicated plastic pipe stiffener to reinforce the MDPE wall and ensure a permanent watertight seal under mains pressure. As a result, you achieve a seamless, leak-free connection without complex hot works.

• Direct MDPE to Thread Link: Bridges 20mm blue MDPE water supply pipe with standard 1/2″ BSP male threads. Therefore, it simplifies boundary connections to metal or iron pipework.
• Includes Plastic Pipe Stiffener: Supplied with an internal liner to strengthen the 20mm MDPE pipe. Consequently, it prevents crushing and maintains a permanent watertight seal.
• Secure Compression Fit: Features a robust compression mechanism on the MDPE end. Moreover, it allows for a fast, reliable installation without specialized tools.
• Versatile Iron Compatibility: Designed to connect new MDPE mains directly onto old 1/2″ BSP iron threads. As a result, it makes retrofitting and repairs straightforward.
• High-Pressure Durability: Built to withstand standard outdoor water mains pressures. Furthermore, it delivers long-lasting structural reliability in underground or surface applications.

Technical

• Brand: Navigator MSL / Plasson
• MPN: PRMAF-20D / 079500020
• Product Type: Compression Threaded Adaptor / Joiner
• Size Compatibility: 20mm Blue MDPE Pipe to 1/2″ BSP Female Thread
• Accessories Included: 1x Plastic Pipe Stiffener / Liner (For MDPE Pipe)
• Connection Type: Compression Fit (MDPE End) x Female BSP Thread
• Application: Underground Water Mains and Transition to Iron/Metal Pipework

Details

Connecting a modern 20mm blue MDPE water main pipe to older 1/2″ BSP iron or metal threaded connections can often present compatibility challenges. Moreover, failing to reinforce the polyethylene pipe properly under compression can lead to slippage, leaks, and potential water damage under continuous mains pressure.

Fortunately, this 20mm MDPE to 1/2″ BSP female threaded adaptor solves the problem with professional efficiency. Because it combines a secure compression joint with a built-in pipe stiffener and a standard female thread, it bridges plastic and metal systems smoothly. Consequently, you achieve a clean, permanent, and reliable transition for your water supply setup.

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