主要零件和材質 Main parts and materials
序號 NO | 零件名稱 Accessor name | 材質 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 Seal ring | 石墨, A273, 316L |
5 | 四合環 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 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 | 自潤滑復合軸套 304/316+PTFE |
17 | 圓錐銷 Pin | A182(F304, F11, F22) |
產品特征 Spericfications
適用介質:水、氣、油品、天然氣和酸堿腐蝕性介質
適用溫度:-196~425℃
驅動方式: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"
技術規范 Technical specification
設計依據 Design reference | ASME/API系列 ASME/API series |
設計標準 Design standard | ASME B16.34 API6D BS 1868 |
結構長度 Face to face | ASME B16.10 |
連接法蘭 End flange | ASME B16.25 |
試驗和檢驗 Test & inspection | API 598 |
試驗壓力 Test prssure
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 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 |
止回閥結構長度和外接尺寸 Main connection dimensions
900LB | 1500LB | 2500LB |
公稱通徑 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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