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 技术规范 Technical specification 试验压力 Test prssure 蝶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), A351(CF8, CF3, CF8M, CF3M), A217(WC6, WC9) 2 阀杆 Stem A276(420, 304, 304L, 316, 316L) 38CrMoAL, 25Cr2MoV 3 轴套 Bush bearing 自润滑复合轴套 304/316+PTFE 4 圆锥轴 Taper pin A276(420, 304, 304L, 316, 316L) 25Cr2MoV 5 蝶板 Disc A216(WCB, LCB), A351(CF8, CF3, CF8M, CF3M), A217(WC6, WC9) 6 密封圈 Sealing ring 304/316+石墨, 304/316+PTFE, 304/316+橡胶 7 压板 Plate A105, A182(F304, F316, F316L) 8 内六角螺钉 Nut A193, B7, B16, B8, B8M 9 内六角螺钉 Nut A193, B7, B16, B8, B8M 10 后盖 Bottom cover A105, A182(F304, F316, F316L) 11 后盖垫 Gasket PTFE石墨 不锈钢 Stainless steel+石墨 Graphite 12 对开环 Washer A276(420, 304, 304L, 316, 316L) 25Cr2MoV 13 螺柱 Bonnet bolt A193, B7, B16, B8, B8M 14 填料 Packing 石墨 橡胶PTFE 15 填料压盖 Gland A216(WCB, LCB), A351(CF8, CF3, CF8M, CF3M), A217(WC6, WC9) 16 螺母 Nut A194, 2H, 4, 8, 8M 17 螺母 Nut A194, 2H, 4, 8, 8M 18 支架 Yoke A216, WCB, A351, CF8 
适用温度：-196~350℃
驱动方式：手动、气动、电动、液动等
公称压力：150LB~300LB
公称通径：4"~60"
Applicable media: water, gas, oil, gas and acid and alkali corrosive medium
Applicable temperature: -196~350℃
Driver: manual, pneumatic, electric, hydraulic, etc
Nominal pressure: 150LB~300LB
Nominal size: 4"~60"设计依据 Design reference ASME/API系列 ASME/API series 设计标准 Design standard ASME B16.34 API609 结构长度 Face to face ASME B16.10 API609 连接法兰 End flange ASME B16.5 ASME B16.47 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 PN150Lb~600Lb 公称通径
DNL
(mm)H1
(mm)H2
(mm)公称通径
DNL
(mm)H1
(mm)H2
(mm)4" 190 460 305 20" 350 1050 655 5" 200 490 323 24" 390 1198 745 6" 210 536 366 28" 430 1300 790 8" 230 595 396 30" 450 1351 815 10" 250 660 429 36" 510 1501 899 12" 270 755 483 40" 550 1761 1065 14" 290 795 498 48" 630 2070 1270 16" 310 915 579 56" 710 2280 1384 18" 330 996 630 60" 750 2530 1504
所有评论仅代表网友意见，与本站立场无关。