
主要零件和材質(zhì) Main parts and materials
序號(hào) NO | 零件名稱 Accessor name | 材質(zhì) Material |
ASTM/API 系列 series |
1 | 閥體 Body | A216(WCB, LCB), A351(CF8, CF3, CF8M, CF3M), A217(WC6, WC9) |
2 | 閥桿 Stem | A276(420, 304, 304L, 316, 316L) 38CrMoAL, 25Cr2MoV |
3 | 軸套 Bush bearing | 自潤滑復(fù)合軸套 304/316+PTFE |
4 | 圓錐軸 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+橡膠 |
7 | 壓板 Plate | A105, A182(F304, F316, F316L) |
8 | 內(nèi)六角螺釘 Nut | A193, B7, B16, B8, B8M |
9 | 內(nèi)六角螺釘 Nut | A193, B7, B16, B8, B8M |
10 | 后蓋 Bottom cover | A105, A182(F304, F316, F316L) |
11 | 后蓋墊 Gasket | PTFE石墨 不銹鋼 Stainless steel+石墨 Graphite |
12 | 對(duì)開環(huán) Washer | A276(420, 304, 304L, 316, 316L) 25Cr2MoV |
13 | 螺柱 Bonnet bolt | A193, B7, B16, B8, B8M |
14 | 填料 Packing | 石墨 橡膠PTFE |
15 | 填料壓蓋 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 |



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:-196~350℃
驅(qū)動(dòng)方式:手動(dòng)、氣動(dòng)、電動(dòng)、液動(dòng)等
公稱壓力:150LB~300LB
公稱通徑: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"
技術(shù)規(guī)范 Technical specification
設(shè)計(jì)依據(jù) Design reference | ASME/API系列 ASME/API series |
設(shè)計(jì)標(biāo)準(zhǔn) Design standard | ASME B16.34 API609 |
結(jié)構(gòu)長度 Face to face | ASME B16.10 API609 |
連接法蘭 End flange | ASME B16.5 ASME B16.47 |
試驗(yàn)和檢驗(yàn) Test & inspection | API 598 |
試驗(yàn)壓力 Test prssure
壓力等級(jí) Pressure grade | 試驗(yàn)壓力 Test pressure |
公稱壓力 PN Nominal pressure | 殼體試驗(yàn) Sheil test | 正密封試驗(yàn) Sealing test | 反密封試驗(yàn) Sealing test | 氣密封試驗(yàn) Air seal test |
150LB | 3.0 | 2.2 | - | 0.6 |
300LB | 7.5 | 5.5 | - | 0.6 |
600LB | 15.0 | 11.0 | - | 0.6 |
蝶閥結(jié)構(gòu)長度和外接尺寸 Main connection dimensions
PN150Lb~600Lb |
公稱通徑 DN | L (mm) | H1 (mm) | H2 (mm) | 公稱通徑 DN | L (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 |