Ductile Iron Diaphragm Valve
Body: Ductile Iron, Cast Iron, WCB
Disc: Ductile Iron, Cast Iron, WCB
Lining: NBR, EPDM
Diaphragm: NBR, EPDM
Suitable Medium: Graphite, PTFE
Nominal Diameter: DN15 to DN250
Nominal Pressure: PN6 to PN16, Class150
End Connection: Flanged
Design Standard: BS 5156, BS 6755, ASME B16.5, BS 4505, EN 1092
Operation: Manual, Electric Actuated, Pneumatic Actuated
Dimensions
| DN | NPS | L | D | D1 | D2 | f | b | Z-Φd | DO | H |
| pn1.0/1.6Mpa | ||||||||||
| 15 | 125 | 95 | 65 | 45 | 3 | 15 | 4-14 | 120 | 120 | |
| 20 | 135 | 105 | 75 | 55 | 3 | 17 | 4-14 | 120 | 120 | |
| 25 | 1 | 145 | 115 | 85 | 65 | 3 | 17 | 4-14 | 160 | 130 |
| 32 | 160 | 140 | 100 | 75 | 3 | 19 | 4-18 | 160 | 135 | |
| 40 | 180 | 150 | 110 | 85 | 3 | 19 | 4-18 | 180 | 160 | |
| 50 | 2 | 210 | 165 | 125 | 100 | 3 | 21 | 4-18 | 200 | 165 |
| 65 | 250 | 185 | 145 | 120 | 33 | 21 | 4-18 | 250 | 200 | |
| 80 | 3 | 300 | 200 | 160 | 135 | 3 | 21 | 4-18 | 280 | 220 |
| 100 | 4 | 350 | 220 | 180 | 155 | 3 | 23 | 8-18 | 300 | 275 |
| 125 | 5 | 400 | 250 | 210 | 185 | 4 | 24 | 8-18 | 320 | 335 |
| 150 | 6 | 460 | 285 | 240 | 210 | 4 | 26 | 8-22 | 350 | 380 |
| 200 | 8 | 570 | 340 | 295 | 265 | 4 | 26 | 12-22 | 450 | 500 |
| 250 | 10 | 680 | 395 | 350 | 320 | 4 | 28 | 12-26 | 500 | 575 |
