The diaphragm valve is a fail-safe-to-close model with PVC-U backing flanges compliant with ANSI/ASME B 16.5 class 150, ASTM D 4024, BS 1560, and BS EN 1759 standards. It features a double flow rate compared to its predecessor, a single housing nut replacing four screws, and a rotating air connection at 90-degree intervals. The valve has flat sealing faces and an overall length per EN 558. The part number 161627633 corresponds to the 20 mm bore size with EPDM sealing and PTFE diaphragm, with a kv-value of 271 l/min at Δp=1 bar and a working pressure of 10 bar. The valve weighs 1.258 kg and uses M6 mounting threads.
FC (Fail safe to close) With backing flanges PVC-U Inch ANSI
| Georg Fischer Piping Systems Ltd | |
|---|---|
| Product Category | Industrial Valves |
| Product Number | 161627633 |
| Product Name | Valves - Plastic-Valves - diaphragm-Valves - 2-way-diaphragm-Valve |
| Valve Type | Diaphragm |
| Primary Material | PVC-U |
| Valve Size | 3.78 inch (96.00 mm) |
