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鍛(duan)鋼截止閥整(zhěng)體法蘭閥門(men)有三種閥蓋(gai)設計,第一種(zhong)是螺栓型閥(fá)蓋,通過凹凸(tū)面連♈接,采用(yòng)不鏽鋼帶與(yu)柔性石墨纏(chan)繞墊片,按需(xu)求也可采👉用(yong)環連接♌,第二(èr)種是焊接型(xíng)閥蓋,通過螺(luó)紋密封後焊(han)接,按需求⛱️也(yě)可直接采用(yong)🌈剛性焊接,第(di)三種是自密(mì)封閥蓋,通過(guo)螺紋⁉️與自密(mi)封🌈閥蓋連接(jie)。
結構設計和(he)規範
鍛鋼截(jie)止閥制造按(àn)API602,BS5352,ANSI/ASME B16.34,試驗與驗收(shōu)按API 598,标識按照(zhào)MSS SP-25。
标準(zhǔn)材質明細表(biao)
| 零件名(ming)稱 | CS to ASTM | AS to ASTM | SS to ASTM | |
| Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
| 1 | 閥體 | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | 墊片(pian) | Corrugated SS+graphite | SS+PTFE | ||
| 3 | 螺栓 | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 4 | 圓柱銷(xiao) | A276 420 | A276 304 | ||
| 5 | 填料壓套 | A276 410 | A182 F304(L) | A182 F316(L) | |
| 6 | 活(huó)節螺栓 | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 7 | 螺母(mǔ) | A194 2H | A194 4 | A194 8 | A194 8M |
| 8 | 閥杆螺母 | A276 410 | |||
| 9 | 螺(luo)母 | A194 2H | A194 4 | A194 8 | A194 8M |
| 10 | 銘牌 | SS | |||
| 11 | 手輪(lun) | A197 | |||
| 12 | 填料壓闆 | A216 WCB | A351 CF8 | ||
| 13 | 填(tián)料 | Flexible Graphite | PTFE | ||
| 14 | 閥蓋 | A105 | A276 304 | A182 F304(L) | A182 F316(L) |
| 15 | 閥杆(gan) | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) |
| 16 | 閥瓣 | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
| 适用介(jie)質 | 水、蒸汽、油(yóu)品等 | 水、蒸汽(qì)、油品等 | 硝酸(suan)、醋酸等 | ||
| 适用(yòng)溫度 | -29℃~425℃ | -29℃~550℃ | -29℃~180℃ | ||
| NPS | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | ||
| L(RF) L1(BW) | 150Lb | 108 | 117 | 127 | 140 | 165 | 203 | |
| 300Lb | 152 | 178 | 203 | 216 | 229 | 267 | ||
| 600Lb | 165 | 190 | 216 | 229 | 241 | 292 | ||
| H(開) | 150Lb~300Lb | 166 | 171 | 207 | 240 | 258 | 330 | |
| 600Lb | 171 | 207 | 240 | 258 | 330 | 380 | ||
| W | 100 | 100 | 125 | 160 | 160 | 180 | ||
| 重量(liang) | 150Lb | RF | 4.5 | 6.9 | 9.8 | 13.5 | 19.5 | 28.0 |
| BW | 2.3 | 3.6 | 7.8 | 8.2 | 12.0 | 15.0 | ||
| 300Lb | RF | 4.8 | 7.7 | 11.0 | 16.8 | 21.2 | 32.6 | |
| BW | 2.8 | 4.0 | 8.5 | 9.2 | 12.6 | 16.8 | ||
| 600Lb | RF | 5.6 | 7.8 | 12.5 | 17.0 | 23.5 | 38.8 | |
| BW | 3.4 | 4.7 | 9.2 | 10.5 | 13.3 | 18.9 | ||
鍛鋼法蘭端(duān)截止閥900Lb~1500Lb
标準(zhǔn)材質明細表(biao)
| 零件名(míng)稱 | CS to ASTM | AS to ASTM | SS to ASTM | |
| Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
| 1 | 閥體 | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | 墊片(pian) | Corrugated SS+graphite | SS+PTFE | ||
| 3 | 螺栓 | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 4 | 銷釘 | A276 420 | A276 304 | ||
| 5 | 填(tian)料壓套 | A276 410 | A182 F304(L) | A182 F316(L) | |
| 6 | 活節(jiē)螺栓 | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 7 | 螺母 | A194 2H | A194 4 | A194 8 | A194 8M |
| 8 | 閥(fa)杆螺母 | A276 410 | |||
| 9 | 螺母(mǔ) | A194 2H | A194 4 | A194 8 | A194 8M |
| 10 | 銘牌 | SS | |||
| 11 | 手輪 | A197 | |||
| 12 | 填(tián)料壓闆 | A216 WCB | A351 CF8 | ||
| 13 | 填料(liao) | 柔性石墨 | PTFE | ||
| 14 | 閥(fa)蓋 | A105 | A276 304 | A182 F304(L) | A182 F316(L) |
| 15 | 閥杆 | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) |
| 16 | 閥瓣(bàn) | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
| 适用介質 | 水(shuǐ)、蒸汽、油品等(deng) | 水、蒸汽、油品(pǐn)等 | 硝酸、醋酸(suan)等 | ||
| 适用溫度(dù) | -29℃~425℃ | -29℃~550℃ | -29℃~180℃ | ||
| NPS | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | |
| L(RTJ) | 900Lb~1500Lb | 216 | 229 | 254 | 279 | 305 | 371 |
| H(BW) | 900Lb~1500Lb | 216 | 229 | 254 | 279 | 305 | 368 |
| H(開) | 207 | 207 | 240 | 258 | 330 | 355 | |
| W | 125 | 125 | 160 | 160 | 180 | 200 | |
| 柔性石墨(mo) | RTJ | 8.0 | 13.2 | 17.4 | 19.0 | 24.5 | 31.0 |
| BW | 5.2 | 10.0 | 14.6 | 15.8 | 20.5 | 27.8 | |
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