MDPE Push Fit Coupling PE x Copper
Useful Information
Technical Specification
- Type: Push Fit Coupling – MDPE to Copper
- Connection Type:
- 1 x Compression push-fit (MDPE pipe)
- 1 x Push-fit (copper pipe)
- Material Composition:
- Body: High-impact polypropylene
- Seal: Nitrile rubber (NBR) (varies by design)
- Pressure Rating: Up to 16 bar at 20°C
- Temperature Range: 0°C to +40°C (cold water only)
- Standards Compliance: ISO 14236, Kiwa approved for potable water
- Pipe Compatibility: MDPE pipe (outer diameter matched), Copper pipe (standard sizes)
- Gas Use: Not suitable for gas applications
Liner Requirement: Pipe liners (stiffeners) are strongly recommended for MDPE connection
Description
The MDPE Push Fit Coupling PE x Copper is designed to securely join MDPE pipe to copper pipe in potable cold water systems. This push-fit style fitting offers a quick, tool-free connection and is ideal for installations where different pipe materials need to be joined with minimal effort. Manufactured from high-grade polypropylene and Kiwa approved, it ensures reliable performance in both domestic and commercial water supply applications. For best results, a pipe liner (stiffener) should be used with the MDPE side. Please note: this fitting is not suitable for gas applications.
Key Features & Benefits
- Mixed-Material Connection: Allows secure joining of MDPE to copper pipe for cold water distribution systems.
- Quick Push-Fit Assembly: No disassembly or tools required—ideal for on-site installation and retrofitting.
- Strong Mechanical Seal: Delivers a pressure-resistant, watertight connection with the correct use of the pipe liner.
- Kiwa Approved: Safe for use in potable water systems when installed according to guidelines.
- Robust and Corrosion-Resistant: UV-stabilised polypropylene body withstands impact and environmental exposure.
- Pipe Liner Compatible: Stiffeners recommended to support MDPE pipe ends and enhance joint stability.

| Product Code | Supplier Code | d (mm) | d1 (mm) | E (mm) | E1 (mm) | H (mm) | I (mm) | I1 (mm) |
| 350065 | PP1001CU020015 | 20 | 15 | 41 | 41 | 92 | 45 | 45 |
| 350066 | PP1001CU025015 | 25 | 15 | 47 | 41 | 100 | 48 | 46 |
| 350067 | PP1001CU025022 | 25 | 22 | 47 | 47 | 98 | 48 | 48 |
| 350068 | PP1001CU032028 | 32 | 28 | 58 | 58 | 108 | 53 | 53 |
