The DIASTAR Ten PVC-U diaphragm valve is a fail-safe-to-close valve with fixed PVC-U flanges compliant with JIS B2238/39 10K. It features a single housing nut, a rotating air connection at 90° intervals, and flat or serrated joining faces. The variant identified by part number 161627934 corresponds to a 25 mm nominal bore size (DN 25), with a kv-value of 481 l/min at Δp=1 bar, PTFE diaphragm, EPDM O-ring, and a weight of 1.540 kg. The valve operates at a maximum pressure of 10 bar on one side and has a lift of 13 mm. The physical dimensions include a flange diameter of 125 mm, overall length of 130 mm, and an M6 mounting thread.
FC (Fail safe to close) With fixed flanges PVC-U JIS
| Georg Fischer Piping Systems Ltd | |
|---|---|
| Product Category | Industrial Valves |
| Product Number | 161627934 |
| 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) |
