MDPE Pipe Fittings

Our MDPE water pipe fittings are available in sizes 20mm to 125mm.

These fittings are approved for above and below ground use, and can be used for potable (drinking) water applications with blue and black MDPE pipe.

MDPE compression fittings are simple to install. To ensure the fitting nuts are sufficiently tightened, we recommend using a strap wrench.


Pressure Rating 16 bar
Safety Factor 3
Operating Temperature 20°C @ 16 bar, 45°C @ 10.8 bar, 70°C @ 3.4bar
Standards UNI 9561-9562, UNI EN 712-713-715, UNI ISO 7/1, ISO 14236, UNI 2233


All of our MDPE compression fittings have a Safety Factor of 3, ensuring that spikes in water pressure within a water pipe system are catered for. The majority of our fittings have a pressure rating of 16 bar, however there are a few exceptions which are as follows:

    • Female adaptor 75mm x 2" to 110mm x 4" - 10 bar
    • 90° female threaded tee from 75mm x 2" to 110mm x 4" - 10 bar
    • 90° female threaded elbow from 75mm x 2" to 110mm x 4" - 10 bar
    • Safety factor based upon maximum working pressure at the temperature of 20°


WRAS Approved Product - sold by Pipestock

WRAS approved (where applicable)



MDPE Pipe Fittings Basic Installation Guide

Basic installation guide (click on the PDF icon to download)


If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.