鍛鋼截止閥整體法(fǎ)蘭閥門有三種閥蓋設計,第一種是螺栓型閥蓋,通過凹(āo)凸面連接(jiē),采用不鏽鋼帶與柔性石(shí)墨纏繞墊(niàn)片,按(àn)需求也可采用環連接,第二種是焊接型閥蓋,通過螺紋密封後焊接,按需求也可直接采用(yòng)剛性焊接(jiē),第三種(zhǒng)是自密封閥蓋,通(tōng)過螺(luó)紋(wén)與自密封閥蓋連接。
結構設(shè)計和規範
鍛(duàn)鋼截止閥制造按API602,BS5352,ANSI/ASME B16.34,試驗(yàn)與驗收按API 598,标識按照MSS SP-25。
結構(gòu)型式
1.全(quán)通(tōng)徑或縮徑
2.結構長度按ANSI/ASME B16.10
3.法蘭按ANSI/ASME B16.5
4.自(zì)密封閥蓋
5.明杆帶支架
6.兩端自動(dòng)調整(zhěng)的填料壓套;
7.本體倒密封
8.整體閥體法蘭
9.對焊端按ANSI/ASME B16.25
10.環連接閥(fá)體閥蓋墊(niàn)片
11.用纏繞(rào)式墊片的螺栓型閥蓋、螺紋密封、焊接型閥(fá)蓋,或自密封閥蓋(gài)
鍛鋼(gāng)法蘭端截止閥150Lb~600Lb
标準材質明細表
| 零件名稱 | 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 | Corrugated SS+graphite | SS+PTFE | ||
3 | 螺栓 | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
4 | 圓柱銷 | A276 420 | A276 304 | ||
5 | 填料壓套 | A276 410 | A182 F304(L) | A182 F316(L) | |
6 | 活節螺栓 | 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(mǔ) | A276 410 | |||
9 | 螺母 | A194 2H | A194 4 | A194 8 | A194 8M |
10 | 銘(míng)牌 | SS | |||
11 | 手輪 | A197 | |||
12 | 填料壓闆 | A216 WCB | A351 CF8 | ||
13 | 填料(liào) | Flexible Graphite | PTFE | ||
14 | 閥蓋 | 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 | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
适用介質 | 水、蒸汽、油品等(děng) | 水、蒸汽、油品等 | 硝酸(suān)、醋酸等 | ||
适用溫度 | -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 | 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(duàn)鋼(gāng)法蘭端截止閥900Lb~1500Lb
标準材質明細表
| 零件名稱 | CS to ASTM | AS to ASTM | SS to ASTM | |
Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
1 | 閥(fá)體 | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
2 | 墊片(piàn) | Corrugated SS+graphite | SS+PTFE | ||
3 | 螺栓 | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
4 | 銷釘 | A276 420 | A276 304 | ||
5 | 填料壓套 | A276 410 | A182 F304(L) | A182 F316(L) | |
6 | 活節螺栓 | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
7 | 螺母 | A194 2H | A194 4 | A194 8 | A194 8M |
8 | 閥杆(gǎn)螺母 | A276 410 | |||
9 | 螺母 | A194 2H | A194 4 | A194 8 | A194 8M |
10 | 銘牌(pái) | SS | |||
11 | 手輪 | A197 | |||
12 | 填料壓闆 | A216 WCB | A351 CF8 | ||
13 | 填料 | 柔性(xìng)石墨 | PTFE | ||
14 | 閥蓋(gài) | 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 | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
适用(yòng)介質 | 水、蒸汽、油品等 | 水、蒸(zhēng)汽、油品等(děng) | 硝酸、醋酸等 | ||
适用溫度 | -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(róu)性石墨 | 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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