描述
for reliable shut-off in high-temperature, high-pressure and demanding industrial
pipeline systems. The triple-offset geometry allows the disc to move away from the seat
during operation, minimizing friction and helping protect the sealing surfaces.
The valve uses a multilayer metal sealing arrangement for applications where conventional
soft-seated butterfly valves are not suitable. It is commonly selected for gas, vacuum,
steam and compatible industrial media in power generation, petrochemical, coal chemical,
metallurgy, pulp and paper, textile dyeing and light industry.
主要特点
- Triple-offset disc geometry with reduced friction between the disc and seat.
- Multilayer metal seat for high-temperature and high-pressure service.
- Reliable shut-off for high-cycle gas and vacuum applications.
- Pneumatic actuation for fast quarter-turn operation and automation.
- ISO 5211 top mounting platform for actuator installation.
- Precision-cast one-piece body structure.
- Self-lubricating bearing design helps reduce operating torque.
- Graphite packing option for high-temperature stem sealing.
- Stainless steel, duplex, super duplex, titanium, nickel alloy and Monel materials available.
- Manual, worm gear and electric operation available on request.
Triple-Offset Metal Sealing Design
The triple-offset construction is designed so that the disc and seat separate quickly
once the valve begins to open. This reduces sliding contact between the sealing surfaces,
lowers wear and supports long service life. The metal seat structure is suitable for
severe operating conditions involving elevated temperature, pressure or abrasive media.
技术规格
| 项目 | 规格 |
|---|---|
| 产品类型 | Pneumatic high performance triple offset wafer butterfly valve |
| 尺寸范围 | DN50–DN400 / NPS 2–16 |
| 法兰标准 | HG 20592 PN10–PN25, ASME B16.5 Class 150, JIS 10K |
| 面对面标准 | GB/T 12221 和 API 609 |
| Sealing Type | Triple-offset multilayer metal sealing system |
| 操作 | Pneumatic actuator; manual, gear-operated and electric options available |
| 执行器安装 | ISO 5211 |
主要部件材料
| 不。 | 组件 | 可用材料 |
|---|---|---|
| 1 | 阀体 | WCB, WCC, CF8, CF8M, CF3, CF3M, 4A, 5A, Titanium Grade 2, Nickel Alloy |
| 2 | Pressure Plate | WCB, WCC, 304, 304L, 316, 316L, 2205, 2507, Titanium Grade 2, Nickel Alloy |
| 3 | 光盘 | CF8, CF8M, CF3, CF3M, 4A, 5A, Titanium Grade 2, Nickel Alloy |
| 4 | Stem | 17-4PH, 304, 304L, 316, 316L, 2205, 2507, Titanium Grade 2, Nickel Alloy or Monel |
| 5 | 阀座 | PTFE, RPTFE, TFM, 304, 316, 304L, 316L, 2205, 2507, Titanium Grade 2 or Nickel Alloy |
| 6 | Shaft Sleeve | 201 + PTFE, 316L + PTFE or Monel + PTFE |
| 7 | 包装 | PTFE, RPTFE, TFM or graphite |
| 8 | Gland | WCB, WCC, CF8, CF8M, CF3, CF3M, 4A, 5A, Titanium Grade 2 or Nickel Alloy |
| 9 | Bolting | ASTM A193 B7 with ASTM A194 2H nuts |
| 10 | Pin and Retaining Ring | 17-4PH, stainless steel, duplex, super duplex, Titanium Grade 2, Nickel Alloy or Monel |
| 11 | Sealing Gasket | PTFE, RPTFE, TFM or graphite |
整体尺寸和连接尺寸
单位：毫米
| DN | NPS | ØA | ØB | C | D | E | F | ØL | H | ØN | ØM1 | 1-(n-ØP) | 自定义 ØM2 | 定制 2-(n-ØP) | ISO 5211 安装垫片 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 | 2英寸 | 47 | 100 | 133 | 82 | 16 | 43 | 40 | 11 | 90 | 70 | 4-Ø10 | 50 | 4-Ø8 | F05、F07 |
| 65 | 2.5英寸 | 64 | 120 | 148 | 96 | 16 | 46 | 58 | 11 | 90 | 70 | 4-Ø10 | 50 | 4-Ø8 | F05、F07 |
| 80 | 3英寸 | 71 | 132 | 158 | 103 | 16 | 46 | 66 | 11 | 90 | 70 | 4-Ø10 | 50 | 4-Ø8 | F05、F07 |
| 100 | 4英寸 | 91 | 157 | 180 | 118 | 20 | 52 | 89 | 14 | 92 | 70 | 4-Ø10 | — | — | F07 |
| 125 | 5英寸 | 111 | 188 | 199 | 133 | 20 | 56 | 109 | 14 | 95 | 70 | 4-Ø10 | — | — | F07 |
| 150 | 6英寸 | 133 | 216 | 223 | 148 | 23 | 57 | 133 | 17 | 125 | 102 | 4-Ø12 | 70 | 4-Ø10 | F07、F10 |
| 200 | 8英寸 | 179 | 268 | 260 | 182 | 25 | 62 | 182 | 19 | 125 | 102 | 4-Ø12 | — | — | F10 |
| 250 | 10英寸 | 225 | 323 | 295 | 242 | 28 | 68 | 218 | 22 | 150 | 125 | 4-Ø14 | 102 | 4-Ø12 | F10、F12 |
| 300 | 12英寸 | 274 | 375 | 338 | 280 | 30 | 78 | 268 | 27 | 165 | 140 | 4-Ø18 | 125 | 4-Ø14 | F12、F14 |
| 350 | 14英寸 | 321 | 420 | 370 | 308 | 35 | 92 | 311 | 27 | 195 | 165 | 4-Ø22 | 140 | 4-Ø18 | F14、F16 |
| 400 | 16英寸 | 371 | 475 | 405 | 340 | 38 | 102 | 360 | 36 | 200 | 165 | 4-Ø22 | — | — | F16 |
工作转矩参考值
Unit: N·m. Final actuator sizing shall be confirmed by WDL Valve according to the operating conditions.
| DN | NPS | Metal Seat PN6 | Metal Seat PN10 | Metal Seat PN16 | Metal Seat PN25 | Maximum Allowable Torque |
|---|---|---|---|---|---|---|
| 50 | 2英寸 | 62 | 65 | 65 | 68 | 110 |
| 65 | 2.5英寸 | 75 | 77 | 82 | 90 | 150 |
| 80 | 3英寸 | 85 | 88 | 92 | 100 | 150 |
| 100 | 4英寸 | 120 | 125 | 135 | 145 | 210 |
| 125 | 5英寸 | 170 | 180 | 200 | 225 | 330 |
| 150 | 6英寸 | 240 | 255 | 280 | 315 | 400 |
| 200 | 8英寸 | 340 | 370 | 410 | 465 | 650 |
| 250 | 10英寸 | 380 | 425 | 590 | 880 | 930 |
| 300 | 12英寸 | 600 | 660 | 750 | 1100 | 1450 |
| 350 | 14英寸 | 700 | 850 | 1100 | 1500 | 2200 |
| 400 | 16英寸 | 1100 | 1400 | 1800 | 2400 | 3500 |
典型应用
- Power generation and steam systems
- Oil, gas and petrochemical processing
- Coal chemical and refinery projects
- Vacuum and high-cycle gas pipelines
- Metallurgy and industrial furnace systems
- 纸浆与造纸加工
- Textile dyeing and light industrial plants
Dimensions, materials, torque values and pressure ratings are reference information.
Final valve configuration shall be confirmed by the approved WDL Valve technical drawing
and project datasheet.
评价
目前还没有评价