Plasson Push-Fit Reducing Coupler
The PLASSON push-fit reducing coupler joins two different outside diameters of compatible polyethylene water pipe in a straight run. Its compact push-fit design is suited to new connections, alterations and repairs where the pipe size changes.
Key specifications
- Push-fit connection at both ends
- Sizes from 25 × 20 mm to 63 × 50 mm
- Pressure rating for water: PN16
- Body and nut: high-grade polypropylene copolymer
- Split ring: polyacetal
- Seal: NBR
- Standards: ISO 17885 for water applications and AS/NZS 4129
Choosing the correct size
The first dimension is the larger pipe outside diameter and the second is the reduced pipe outside diameter. Select the variant that matches both pipes; these are metric pipe sizes, not thread sizes.
Installation guidance
Cut each pipe square, remove dirt and burrs, and push the pipe fully into the correct end until it reaches the fitting stop. Follow the current PLASSON push-fit instructions and pressure-test the completed joint before use.
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