品牌
其他厂商性质
温州市所在地
主要零件和材质 Main parts and materials 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：150LB~600LB 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: 150LB~600LB Nominal size: 2"~24" 试验压力 Test prssure 止回阀结构长度和外接尺寸 Main connection dimensions
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 螺柱 Bonnet bolt A193, B7, B16, B8, B8M 3 中垫 Gasket 不锈钢 Stainless steel+石墨 PTFE 4 阀盖 Bonnet A216(WCB, LCB), A217(WC6, WC9), A351(CF8, CF3, CF8M, CF3M) 5 螺母 Nut A194, 2H, 8, 8M 6 吊环 Eye bolt ASTM, A105 7 外六角螺柱 Bonnet bolt A193, B7, B16, B8, B8M 8 支架 Yoke A216(WCB, LCB), A217(WC6, WC9), A351(CF8, CF3, CF8M, CF3M) 9 圆锥销 Pin A276 (420, 304, 316) 10 阀瓣 Wedge A216(WCB, LCB), A217(WC6, WC9), A351(CF8, CF3, CF8M, CF3M) 11 摇杆 Arm A216(WCB, LCB), A217(WC6, WC9), A351(CF8, CF3, CF8M, CF3M) 12 垫片 Gaskets A276 (420, 304, 316) 
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 B16.5 试验和检验 Test & inspection API 598 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 test150LB 3.0 2.2 - 0.6 300LB 7.5 5.5 - 0.6 600LB 15.0 11.0 - 0.6 150LB 300LB 600LB 公称通径
DNL
(mm)H
(mm)L
(mm)H
(mm)L
(mm)H
(mm)2" 203 165 267 175 292 200 2 1/2" 216 180 292 185 330 220 3" 241 195 318 215 356 235 4" 292 210 356 240 432 275 5" 356 230 400 280 508 320 6" 406 260 444 305 559 330 8" 495 295 533 365 660 380 10" 622 350 622 395 787 450 12" 698 405 711 440 838 575 14" 787 445 838 460 889 590 16" 864 495 864 530 991 635 18" 978 515 978 585 1092 710 20" 978 540 1016 615 1194 760 24" 1295 585 1346 650 1397 838
