主要零件和材質(zhì) Main parts and materials 產(chǎn)品特征 Spericfications 適用介質(zhì)：水、氣、油品、天然氣和酸堿腐蝕性介質(zhì) 適用溫度：-196~425℃ 驅(qū)動方式：手動、氣動、電動等 公稱壓力：900LB~2500LB 公稱通徑：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" 技術(shù)規(guī)范 Technical specification 試驗壓力 Test prssure 止回閥結(jié)構(gòu)長度和外接尺寸 Main connection dimensions
序號
NO零件名稱
Accessor name材質(zhì) Material ASTM/API 系列 series 1 閥體 Body A216(WCB, LCB), A217(WC6, WC9), A351(CF8, CF3, CF8M, CF3M) 2 浮動座 Floating seat ASTM, A105, A182(F304, F11,F22) 3 密封墊 Gaskes A182(F304, F11, F22) 4 密封環(huán) Seal ring 石墨, A273, 316L 5 四合環(huán) Washer A182(F304, F11, F22) 6 螺柱 Bonnet bolt A193 (B7, B16, B8, B8M 7 閥蓋 Bonnet A216(WCB, LCB), A217(WC6, WC9), A351(CF8, CF3, CF8M, CF3M) 8 螺母 nut A194, 4, 2H, 8, 8M 9 吊環(huán) Eye bolt ASTM, A105 10 閥瓣并帽 Bonnet cap ASTM, A105 11 墊片 Gaskets A276(420, 304, 316) 12 搖桿 Arm A216(WCB, LCB), A217(WC6, WC9), A351(CF8, CF3, CF8M, CF3M) 13 閥瓣 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 墊片 Gasket A182(F304, F11, F22) 16 軸套 Bush bearing 自潤滑復(fù)合軸套 304/316+PTFE 17 圓錐銷 Pin A182(F304, F11, F22) 
設(shè)計依據(jù) Design reference ASME/API系列 ASME/API series 設(shè)計標(biāo)準(zhǔn) Design standard ASME B16.34 API6D BS 1868 結(jié)構(gòu)長度 Face to face ASME B16.10 連接法蘭 End flange ASME B16.25 試驗和檢驗 Test & inspection API 598 壓力等級
Pressure grade試驗壓力 Test pressure 公稱壓力 PN
Nominal pressure殼體試驗
Sheil test正密封試驗
Sealing test反密封試驗
Sealing test氣密封試驗
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 公稱通徑
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
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電站止回閥系列 H64Y 產(chǎn)品信息
關(guān)鍵詞：止回閥
