Resilient Seated High Performance Butterfly Valve
Request a Quote
Applications
Resilient seated high performance butterfly valve can be used in water conveyance systems, seawater pipeline systems, gas pipeline systems, powder transfer systems and weak acid-base transport systems.
Basic Information
- Size Range
- DN50-DN300
- Temperature Range T
- 0-100℃
- Maximum Allowable Operating Pressure PN
- 1.0-1.6Mpa
- Pressure Rating
- 1.5-2.4Mpa (Shell)
1.1-1.76Mpa (Seal)
- Applicable Media
- Freshwater, seawater, air, weak acid-base, and so on.
Materials
| No. | Part | Material | No. | Part | Material |
| 1 | Valve Body and Valve Bonnet | QT450 | 6 | O-Ring | EPDM |
| 2 | Valve Disc | QT450 EPDM | 7 | Packing | PTFE |
| 3 | Valve Stem | 2Cr13 | 8 | Bolts | Stainless Steel, 45# |
| 4 | Valve Stem Nuts | Aluminum Bronze | 9 | Nuts | Stainless Steel, 45# |
| 5 | Gland | QT450 | 10 | Valve Handwheel | WCB |
Specifications
| Size | L | H | D | d | c | g | n-Ød | T | f | |
| PN10/16 | PN10/16 | PN10 | PN16 | |||||||
| DN50 | 178 | 241 | 138 | 158 | 125 | 99 | 4-Ø18 | 4-Ø18 | 17 | 2 |
| DN65 | 190 | 270 | 173 | 180 | 145 | 118 | 4-Ø18 | 4-Ø18 | 17 | 2 |
| DN80 | 203 | 292 | 173 | 196 | 160 | 132 | 4-Ø18 | 8-Ø18 | 19 | 3 |
| DN100 | 229 | 333 | 200 | 215 | 180 | 156 | 8-Ø18 | 8-Ø18 | 20 | 3 |
| DN125 | 254 | 384 | 230 | 250 | 210 | 184 | 8-Ø18 | 8-Ø18 | 20 | 3 |
| DN150 | 267 | 420 | 230 | 280 | 240 | 211 | 8-Ø23 | 8-Ø23 | 20 | 3 |
| DN200 | 292 | 512 | 270 | 336 | 295 | 266 | 8-Ø23 | 12-Ø23 | 21 | 3 |
| DN250 | 330 | 602 | 350 | 405 | 350/355 | 319 | 12-Ø23 | 12-Ø25 | 25 | 3 |
| DN300 | 356 | 705 | 350 | 460 | 400/410 | 370 | 12-Ø23 | 12-Ø25 | 28 | 4 |
| DN350 | 381 | 782 | 450 | 515 | 460/470 | 430 | 16-Ø23 | 16-Ø25 | 28 | 4 |
| DN400 | 406 | 880 | 480 | 580 | 515/525 | 475 | 16-Ø25 | 16-Ø30 | 28 | 4 |
| DN450 | 432 | 980 | 600 | 650 | 565/585 | 530 | 20-Ø25 | 20-Ø30 | 29 | 4 |
| DN500 | 457 | 1055 | 600 | 670/715 | 620/650 | 580 | 20-Ø25 | 20-Ø34 | 29 | 4 |
| DN600 | 508 | 1260 | 600 | 780/810 | 725/770 | 680 | 20-Ø30 | 20-Ø40 | 38 | 4 |
Certifications
| Item | Standard | Operational Standard |
| Design & Manufacture | GB12234 | ∕ |
| Face to Face Dimension | GB12221-89 | ∕ |
| Flange Connection | JB/T-79 | ∕ |
| Valve Test | JB/T-9092 | ∕ |
Features
- Excellent sealing performance: Soft sealing materials are used as sealing elements, and these materials have excellent elasticity and sealing performance, effectively preventing fluid leakage.
- Wider applicability: Due to the characteristics of the materials, resilient seated butterfly valves can be used in water conveyance systems, seawater pipeline systems, gas pipeline systems, and powder transport systems.