Pressure Relief and Sustaining Valve
Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Diaphragm: EPDM , NBR
Disc: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Pilot Valve: Stainless Steel, Brass
Spring: SS304
Shaft: SS304
Working Pressure: PN1.6, PN2.5, PN4.0
Dimensions:
| size(mm) | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
| L(mm) | 205 | 229 | 250 | 292 | 330 | 356 | 495 | 622 | 698 | 787 | 900 | 978 | 1075 | 1230 |
| H(mm) | 270 | 305 | 320 | 400 | 455 | 502 | 636 | 750 | 913 | 913 | 1035 | 1035 | 1300 | 1370 |
| H1(mm) | 200 | 210 | 220 | 260 | 310 | 342 | 413 | 510 | 600 | 600 | 685 | 685 | 880 | 950 |
