Product Introduction
主要零件和材质 Main parts and materials
|
序号 NO |
零件名称 Accessor name |
材质 Material |
| ASTM/API 系列 series | ||
| 1 | 阀体 Body | A216(WCB, LCB), A217(WC6, WC9), A351(CF8, CF3, CF8M, CF3M) |
| 2 | 浮动座 Floating seat | ASTM, A105, A182(F304, F11,F22) |
| 3 | 密封垫 Gaskes | A182(F304, F11, F22) |
| 4 | 密封环 Seal ring | 石墨, A273, 316L |
| 5 | 四合环 Washer | A182(F304, F11, F22) |
| 6 | 螺柱 Bonnet bolt | A193 (B7, B16, B8, B8M |
| 7 | 阀盖 Bonnet | A216(WCB, LCB), A217(WC6, WC9), A351(CF8, CF3, CF8M, CF3M) |
| 8 | 螺母 nut | A194, 4, 2H, 8, 8M |
| 9 | 吊环 Eye bolt | ASTM, A105 |
| 10 | 阀瓣并帽 Bonnet cap | ASTM, A105 |
| 11 | 垫片 Gaskets | A276(420, 304, 316) |
| 12 | 摇杆 Arm | A216(WCB, LCB), A217(WC6, WC9), A351(CF8, CF3, CF8M, CF3M) |
| 13 | 阀瓣 Wedge | A216(WCB, LCB), A217(WC6, WC9), A351(CF8, CF3, CF8M, CF3M) |
| 14 | 外六角螺柱 Bonnet bolt | A193, B7, B16, B8, B8M |
| 15 | 垫片 Gasket | A182(F304, F11, F22) |
| 16 | 轴套 Bush bearing | 自润滑复合轴套 304/316+PTFE |
| 17 | 圆锥销 Pin | A182(F304, F11, F22) |
产品特征 Spericfications
适用介质：水、气、油品、天然气和酸碱腐蚀性介质
适用温度：-196~425℃
驱动方式：手动、气动、电动等
公称压力：900LB~2500LB
公称通径：2"~24"
Applicable media: water, gas, oil, gas and acid and alkali corrosive medium
Applicable temperature: -196~425℃
Driver: manual, pneumatic, electric, etc
Nominal pressure: 900LB~2500LB
Nominal size: 2"~24"
技术规范 Technical specification
| 设计依据 Design reference | ASME/API系列 ASME/API series |
| 设计标准 Design standard | ASME B16.34 API6D BS 1868 |
| 结构长度 Face to face | ASME B16.10 |
| 连接法兰 End flange | ASME B16.25 |
| 试验和检验 Test & inspection | API 598 |
试验压力 Test prssure
|
压力等级 Pressure grade |
试验压力 Test pressure | |||
|
公称压力 PN Nominal pressure |
壳体试验 Sheil test |
正密封试验 Sealing test |
反密封试验 Sealing test |
气密封试验 Air seal test |
| 900LB | 22.5 | 16.5 | 15.5 | 0.6 |
| 1500LB | 37.5 | 27.5 | 27.5 | 0.6 |
| 2500LB | 63 | 46.2 | 46.2 | 0.6 |
止回阀结构长度和外接尺寸 Main connection dimensions
| 900LB | 1500LB | 2500LB | ||||
|
公称通径 DN |
L (mm) |
H (mm) |
L (mm) |
H (mm) |
L (mm) |
H (mm) |
| 2" | 368 | 220 | 368 | 225 | 451 | 230 |
| 2 1/2" | 419 | 250 | 419 | 240 | 508 | 250 |
| 3" | 381 | 270 | 470 | 255 | 578 | 265 |
| 4" | 457 | 330 | 546 | 300 | 673 | 280 |
| 5" | 559 | 350 | 673 | 350 | 794 | 340 |
| 6" | 610 | 420 | 705 | 405 | 914 | 420 |
| 8" | 737 | 295 | 832 | 570 | 1022 | 570 |
| 10" | 838 | 350 | 991 | 585 | 1270 | 1010 |
| 12" | 965 | 405 | 1130 | 630 | 1422 | 1160 |
| 14" | 1029 | 445 | 1257 | 750 |
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| 16" | 1130 | 495 | 1384 | 787 |
|
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| 18" | 1219 | 515 | 1537 | 885 |
|
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| 20" | 1321 | 540 | 1664 | 960 |
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| 24" | 1549 | 585 | 1943 | 1120 |
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