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：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 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 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) 
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 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 test900LB 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 900LB 1500LB 2500LB 公称通径
DNL
(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 16" 1130 495 1384 787 18" 1219 515 1537 885 20" 1321 540 1664 960 24" 1549 585 1943 1120
