Alpex L Reducing Coupling
Useful Information
Technical Specification
- Manufacturer: FRÄNKISCHE
- Material: PPSU (Polyphenylsulfone) body, stainless steel sleeves
- Operating Temperature: 95°C
- Pressure Rating: 10 bar
- Pressing Contours: F-contour (all sizes), TH-contour (for ≤32mm only)
- Sizes Available: 40mm x 26mm to 75mm x 63mm
- Standards: DVGW W 534
- Certification: WRAS approved
Description
This reducing coupling is designed for secure, size-transition connections in drinking water and heating system installations. Constructed from high-grade PPSU with stainless steel pressing sleeves, it features white fixation rings with integrated inspection holes for visual confirmation during installation. The leak-before-press function ensures any unpressed fittings are identified during pressure testing. Compatible with F-contour press jaws, and for sizes 32mm and smaller, also TH-contour, this WRAS approved, lead-free fitting is ideal for potable water and heating systems.
Key Features & Benefits
- Leak-Before-Press Function: Ensures unpressed fittings are detected during pressure testing (1 – 6.5 bar)
- Lead-Free Construction: Certified safe for drinking water systems
- Visual Inspection: White fixation rings with integrated inspection holes for installation verification
- Durable Build: PPSU body with fixed stainless steel pressing sleeves for long-lasting performance
- Press Compatibility: F-contour for all sizes; TH-contour option for 32mm and smaller
- Versatile Application: Suitable for both drinking water and heating installations
- WRAS Approved: Fully certified for potable water use
| SKU | Supplier Code | D1 (mm) | D2 (mm) | L1 (mm) | Z1 (mm) | Weight (kg) |
| 403454 | 88440160 | 40 | 26 | 88 | 10 | 0.086 |
| 403455 | 88440170 | 40 | 32 | 84 | 10 | 0.093 |
| 403456 | 88450170 | 50 | 32 | 98 | 12 | 0.127 |
| 403457 | 88450180 | 50 | 40 | 100 | 10 | 0.149 |
| 403458 | 88463180 | 63 | 40 | 112 | 13 | 0.194 |
| 403459 | 88463190 | 63 | 50 | 118 | 11 | 0.221 |
| 403460 | 86775180 | 75 | 40 | 105 | 10 | 0.846 |
| 403461 | 86775190 | 75 | 50 | 113 | 10 | 0.901 |
| 403462 | 86775195 | 75 | 63 | 118 | 10 | 1.018 |
If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.
