- Ductile Iron Double Eccentric Butterfly Valve
- Size Range: DN100-DN3000
- Pressure: PN10/16
- Body Materials (mm): Ductile Iron/WCB
- Seat Materials: 304+NBR
- Disc Materials: QT450-10
- Stem Materials: 2Cr13
- Features: Applicable medium:Water, gas, oil, etc.
Suitable temperature:0℃~80℃
Application field:Water treatment, municipal construction, drainage, power plants, etc.
Product advantages
Ductile Iron/WCB body
Processed by CNC precision machine
Two-way sealing
Multiple seats available
More wear-resistant
Reduce torque
Parameters
1. Executive standard:
Name | Design and manufacture | Face to face Length | End Flange | Pressure Test |
Reference Standard | GB/T 12238 | GB/T 12221 | GB/T 17241.6 | GB/T 13927 |
2. Material of Main Parts:
Name | 5-Body | 7-Disc | 6-Stem | 10-Disc Sealing | 11-Body Sealing |
Material | QT450-10 | QT450-10 | 2Cr13 | NBR | 304 |
3. Dimensions:
Size | PN10 | PN16 | ||||
DN | NPT | L | D2 | n-d | D2 | n-d |
100 | 4" | 127 | 180 | 8-φ19 | 180 | 8-φ19 |
125 | 5" | 140 | 210 | 8-φ19 | 210 | 8-φ19 |
150 | 6'' | 140 | 240 | 8-φ22 | 240 | 8-φ22 |
200 | 8'' | 152 | 295 | 8-φ22 | 295 | 12-φ22 |
250 | 10'' | 165 | 350 | 12-φ22 | 355 | 12-φ28 |
300 | 12'' | 178 | 400 | 12-φ22 | 410 | 12-φ28 |
350 | 14'' | 190 | 460 | 16-φ22 | 470 | 16-φ28 |
400 | 16'' | 216 | 515 | 16-φ28 | 525 | 16-φ31 |
450 | 18'' | 222 | 565 | 20-φ28 | 585 | 20-φ31 |
500 | 20'' | 229 | 620 | 20-φ28 | 650 | 20-φ24 |
600 | 24'' | 267 | 725 | 20-φ31 | 770 | 20-φ37 |
700 | 28'' | 292 | 840 | 24-φ31 | 840 | 24-φ37 |
800 | 32'' | 318 | 950 | 24-φ34 | 950 | 24-φ40 |
900 | 36'' | 330 | 1050 | 28-φ34 | 1050 | 28-φ40 |
1000 | 40'' | 410 | 1160 | 28-φ37 | 1170 | 28-φ43 |
1200 | 48'' | 470 | 1380 | 32-φ40 | 1390 | 32-φ49 |
1400 | 56'' | 530 | 1590 | 36-φ43 | 1590 | 36-φ49 |
1600 | 64'' | 600 | 1820 | 40-φ49 | 1820 | 40-φ56 |
1800 | 72'' | 670 | 2020 | 44-φ49 | 2020 | 44-φ56 |
2000 | 80'' | 760 | 2230 | 48-φ49 | 2230 | 48-φ62 |
2200 | 88'' | 800 | / | |||
2400 | 96'' | 850 | ||||
2600 | 104'' | 900 | ||||
2800 | 112'' | 950 | ||||
3000 | 120'' | 1000 |