Non-rising-stem (NRS) resilient-seat gate valve per AWWA C509, ductile iron body with EPDM-encapsulated wedge giving zero leakage at rated working pressur.
Non-rising-stem (NRS) resilient-seat gate valve per AWWA C509, ductile iron body with EPDM-encapsulated wedge giving zero leakage at rated working pressur.
| Body / bonnet | Ductile iron GGG-50 (EN-GJS-500-7 / ASTM A536 65-45-12) |
| Wedge | Ductile iron fully encapsulated in EPDM (WRAS BS 6920 listed for potable water) |
| Stem | SS420 (NRS — non-rising) |
| Seat | Resilient EPDM |
| Size | DN250 / 10" |
| Pressure rating | PN16 (16 bar / 232 psi) |
| Test pressure | 24 bar shell, 17.6 bar seat |
| Working temp | -10 to +70 °C (water) |
| Flanges | EN 1092-2 PN16 (also matches ASME B16.1 class 125) |
| Face-to-face | ISO 5752 Series 14 (short) |
| Coating | Fusion-bonded epoxy 250 µm internal+external per DIN 30677-2 |
| Operation | Handwheel (gearbox optional — recommended this size) |
| Material | GGG-50 ductile iron, EPDM-encapsulated wedge |
| Pressure rating | PN16 |
| Temperature range | -10 to +70 °C |
| MOQ | 1 pc |
Equivalent to AVK Series 06/30, Erhard ERV, Hawle ZW-40, Talis BVE, Mueller A-2360 and Clow F-6100 resilient-seat gate valves DN250.