The 167657134 is a double-acting diaphragm valve in the PROGEF DIASTAR Ten series, with PP-H housing and backing flanges compliant with ISO 7005 PN 10, EN 1092 PN 10, DIN 2501 PN 10, and BS 4504 PN 10. It has a nominal diameter of 25 mm (1 inch), a kv-value of 481 l/min at Δp=1 bar, and an overall length of 160 mm per EN 558. The valve features a 90° rotatable air connection, a single housing nut replacing four screws, and flat/serrated joining faces. Weight is 1.292 kg with PTFE diaphragm and 1.272 kg with EPDM. O-ring material is FKM. Valve lift is 13 mm. Connecting dimensions and flange specifications follow the stated standards.
DA (Double acting) With backing flanges PP-V metric/BS
| Georg Fischer Piping Systems Ltd | |
|---|---|
| Product Category | Industrial Valves |
| Product Number | 167657134 |
| Product Name | Valves - Plastic-Valves - diaphragm-Valves - 2-way-diaphragm-Valve |
| Valve Type | Diaphragm |
| Primary Material | PP-H |
| Valve Size | 3.78 inch (96.00 mm) |
