Wafer Rubber Seated Butterfly Valves
Materials
Body: Cast Iron, Ductile Iron, Stainless Steel etc.
Disc: Ductile Iron, Stainless Steel, Titanium Steel, Copper Alloy etc.
Seat: Nitrile Rubber (NBR), Chloroprene, Chlorosulfonated Polyethylene (Hypalon), Silicon, Fluoroelastomer (VITON)
Ethylene-Propylene-Diene Monomer (EPDM), Polytetrafluoroethylene (PTFE), Caoutchouc etc.
ASTM Pressure Classes 150 Lb-Wafer Ends
Middle Eccentric- Gear, Electric, Pneumatic-Operator-Dimensions (mm)
Wafer Rubber Seated Butterfly Valves
DN (mm) |
PN (MPa) |
Connection dimensions(mm) | |||
L | D | D1 | Zd | ||
40 | 1.0/1.6 | 43 | 145 | 110 | 4-18 |
50 | 43 | 165 | 125 | 4-18 | |
65 | 46 | 185 | 145 | 4-18 | |
80 | 46 | 200 | 160 | 4-18/8-18 | |
100 | 52 | 220 | 180 | 8-18 | |
125 | 56 | 250 | 210 | 8-18 | |
150 | 56 | 285 | 240 | 8-22 | |
200 | 60 | 340 | 295 | 8-22/12-22 | |
250 | 68 | 395/405 | 350/355 | 12-22 | |
300 | 78 | 445/460 | 400/410 | 12-22 | |
350 | 1.0 | 78 | 505 | 460 | 16-22 |
400 | 102 | 565 | 515 | 16-26 | |
450 | 114 | 615 | 565 | 20-26 | |
500 | 127 | 670 | 620 | 20-26 | |
600 | 154 | 780 | 725 | 20-30 | |
700 | 165 | 895 | 840 | 24-30 | |
800 | 190 | 1015 | 950 | 24-33 | |
900 | 203 | 1115 | 1050 | 28-33 | |
1000 | 216 | 1230 | 1160 | 28-39 | |
1200 | 254 | 1455 | 1380 | 32-39 | |
1200 | 0.6/0.25 | 254 | 1400/1375 | 1340/1320 | 32-34/32-30 |
1400 | 279 | 1620/1575 | 1560/1620 | 36-34/36-30 | |
1600 | 318 | 1820/1785 | 1760/1730 | 40-34/40-30 | |
1800 | 356 | 2045/1985 | 1970/1930 | 44-41/44-30 | |
2000 | 406 | 2265/2185 | 2180/2130 | 48-48/48-30 |