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Professional Building Supplies£4.24Visit shop Hydrodif Blue/Black Mdpe Elbow - 25Mm
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B&Q£14.84Visit shop B&Q - Hydrodif Mdpe 25mm 90 Degree Compression ElbowPolypropyleneWras Approved.
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The Hydrodiff 25mm MDPE Compression Elbow is an essential component for plumbers and DIY enthusiasts working on MDPE pipe networks. It provides a secure, leak-proof 90-degree transition, making it ideal for routing water lines around corners without compromising flow. While it offers a robust, WRAS-approved seal for potable water, users must remember to incorporate pipe stiffeners during installation to ensure long-term stability and to prevent pipe deformation under compression.
| Model Part Number | Mdpe 25mm 90 |
|---|---|
| Brand | Hydrodif |
Yes, this product is WRAS approved and safe for potable water applications.
Yes, pipe stiffeners are required for all MDPE compression joints to maintain pipe shape and ensure a reliable seal.
While the fitting is robust, it is recommended to inspect the O-ring and grip ring for wear before reusing to ensure a watertight seal.
The fitting is designed to handle standard cold water pressures typically found in residential water mains; refer to local technical specifications for specific pressure bars.
No, this model is specifically for 25mm pipe. You would need the MD32E model for 32mm piping.
No, the compression mechanism and integrated O-ring provide the necessary seal, so PTFE tape or jointing compound is generally not required.
Ensure the pipe is cut square, fully inserted past the O-ring, and that a pipe stiffener was used.
Check that the nut is fully loosened and use a small amount of silicone lubricant on the pipe end.
Verify that the acetal grip ring is correctly oriented and that the nut is tightened sufficiently to compress the internal seal.
To install, start by ensuring the pipe end is free from burrs or debris. Slide the compression nut and grip ring onto the pipe, then insert the required pipe stiffener into the pipe opening to prevent collapse when the fitting is tightened. Push the pipe fully into the body of the elbow until you feel it hit the internal stop. Tighten the nut firmly by hand, following up with a tool to achieve a final, secure seal. For maintenance, periodically inspect the joint for signs of moisture. If a leak occurs, check that the nut has not vibrated loose and verify the integrity of the O-ring seal.
