MDPE Push Fit Copper x Universal Coupling
Useful Information
Technical Specification
- Type: Push Fit Copper x Universal Coupling
- Connection Type:
- Push fit (universal side)
- Mechanical grip (copper side)
- Material Composition:
- Body: UV-stabilised polypropylene
- Seal: Nitrile rubber (NBR)
- Grip Ring: Stainless steel or acetal resin (depending on model)
- Pressure Rating: Up to 16 bar at 20°C
- Temperature Range: 0°C to +40°C (cold water applications only)
- Standards Compliance: ISO 14236, Kiwa approved
- Pipe Compatibility: Copper pipe, MDPE, PVC, other common water pipe materials
Liner Requirement: Pipe liners (stiffeners) are strongly recommended when connecting to MDPE
Description
The MDPE Push Fit Copper x Universal Coupling provides a versatile and secure connection between copper pipe and a variety of other piping materials, including MDPE, lead, and PVC. Designed with a mechanical grip for the copper side and a universal push-fit connection for the opposite end, this fitting simplifies mixed-material installations. It is Kiwa-approved and made from durable polypropylene to ensure long-term reliability in potable water and utility systems. For maximum joint performance, a pipe liner (stiffener) is strongly recommended where MDPE is used.
Key Features & Benefits
- Cross-Material Connection: Joins copper pipe to MDPE, lead, PVC, and other compatible pipe types with ease.
- Quick Installation: Push-fit and mechanical design allow for fast, tool-free assembly—ideal for conversions and repairs.
- Secure Mechanical Grip: Stainless steel or acetal teeth offer strong retention and superior end-load resistance.
- Durable Construction: UV-stabilised polypropylene body suitable for both buried and exposed installations.
- Kiwa Approved: Suitable for use in potable water applications, meeting rigorous safety and quality standards.
- Pipe Liner Compatible: Stiffeners should be used when connecting MDPE to enhance sealing strength and alignment.

| SKU | Supplier Code | d (mm) | d1 (mm) | H (mm) | E (mm) | l (mm) | l1 (mm) |
| 374321 | PP10017C022018 | 22 | 14 - 18 | 117 - 137 | 54 | 48 | 47 |
| 374322 | PP10017C022022 | 22 | 19 - 22 | 119 - 130 | 57 | 48 | 47 |
| 374323 | PP10017C022028 | 22 | 24 - 28 | 130 - 142 | 66 | 48 | 55 |
