


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:-196~150℃
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: -196~150℃
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 | API609 |
結(jié)構(gòu)長(zhǎng)度 Face to face | 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 |
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(CF8, CF3, CF8M, CF3M) |
2 | 蝶板 Disc | A216 WCB(CF8, CF3, CF8M, CF3M) |
3 | 閥座 Seat | 堆焊, 13Cr, STL, F316 |
4 | 密封圈 Sealing ring | EPDM, NBR, PTFE |
5 | 壓板 Plate | A213, WCB, A351(CF8, CF8M) |
6 | 閥桿 Stem | A276 (420, 304, 316, 316L) |
7 | 圓銷軸 Taper pin | A276 (420, 304, 316, 316L) |
8 | 軸套 Bush bearing | 自潤(rùn)滑復(fù)合軸套F2 |
9 | 填料壓蓋 Gland | A216 WCB, A351(CF8, CF8M) |
10 | 填料 Packing | 石墨 橡膠 |
11 | 螺柱 Bonnet bolt | A19, B7, B8, B8M |
12 | 螺母 Nut | A194, 2H, 8, 8M |