
鍛(duàn)鋼閘閥(fa)有三種(zhong)閥蓋設(shè)計,第一(yi)種是螺(luó)栓型閥(fa)蓋,通過(guo)凹凸面(miàn)🏃連👣接㊙️,采(cai)用不鏽(xiu)鋼帶與(yu)柔性石(shí)墨纏繞(rào)墊片,按(àn)需求也(ye)可采🏃🏻用(yòng)環♈連接(jiē),第二🚶種(zhong)是焊接(jiē)型閥蓋(gai),通過螺(luo)⭕紋密封(feng)後焊接(jie),按需求(qiú)也可直(zhi)接采用(yong)剛性焊(han)接,第💰三(san)種是自(zì)密封閥(fá)蓋,通過(guò)螺紋♍與(yǔ)自密封(fēng)閥蓋連(lián)接。
鍛鋼(gāng)閘閥的(de)結構設(shè)計與規(guī)範:
鍛鋼(gāng)閘閥制(zhì)造按API 602,BS5352,ANSI B16.34.
試(shi)驗與驗(yàn)收按API 598,标(biāo)識按照(zhào)MSS SP-25.
結構型(xing)式如下(xia):
1.全通徑(jing)或縮徑(jìng);
2.明杆帶(dai)支架;
3.兩(liǎng)端自動(dòng)調心的(de)填料壓(ya)套;
4.用纏(chán)繞式墊(niàn)片的螺(luó)栓型閥(fá)蓋、螺紋(wén)密封焊(han)接型閥(fá)蓋,或自(zi)😄密封閥(fa)蓋
5.本體(ti)倒密封(feng);
6.承插焊(han)接ANSI/ASME B16.11;
7.螺紋(wén)端(NPT端)按(an)ANSI/ASME B1.20.1。
鍛鋼閘(zhá)閥材料(liào)表:
| 序号(hao) NO. | 名 稱 | 美(mei)标碳鋼(gang) CS to ASTM | 美标合(he)金鋼 AS to ASTM | 美(měi)标不鏽(xiù)鋼鋼 SS to ASTM | ||
| Part Name | Type A 105 | Type F22 | Type F304(L) | Type F316(L) | ||
| 1 | 閥(fá)體 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | 閥座(zuo) | Seat Ring | A276 420 | A276 304 | A276 F304(L) | A276 F316(L) |
| 3 | 閘闆 | Wedge | A276 430&410 | A182 F304 | A182 F304(L) | A182 F316(L) |
| 4 | 閥(fa)杆 | Stem | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) |
| 5 | 墊片(piàn) | Gasket | Corrugated SS+graphite | SS+PTFE | ||
| 6 | 閥蓋 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 7 | 螺(luo)栓 | Bonnet Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 8 | 銷 | Pin | A276 420 | A276 F304 | ||
| 9 | 填(tian)料壓套(tao) | Gland | A276 410 | A182 F304(L) | A182 F316(L) | |
| 10 | 活節螺(luo)絲 | Gland Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 11 | 填料(liào)壓蓋 | Gland Flange | A105 | A182 F11 | A182 F304(L) | A182 F316(L) |
| 12 | 螺(luó)母 | Gland Nut | A194 2H | A 194 4 | A194 8 | A194 8M |
| 13 | 閥杆(gan)螺母 | Stem Nut | A276 420/Cu-Alloy(銅(tóng)合金) | |||
| 14 | 手(shǒu)輪鎖緊(jǐn)螺母 | H.W.Lock Nut | A 194 2H | A194 4 | A 194 8 | A194 8M |
| 15 | 銘(míng)牌 | Nameplate | SS | |||
| 16 | 手輪(lun) | Handwheel | A197 | |||
| 17 | 襯墊 | Bearing Gasket | A473 431 | |||
| 18 | 填(tián)料 | Stem Packing | Flexible Graphite | PTFE | ||
| 适用(yòng)介質 Suitable Medium | (水(shui)、油、氣等(děng))W.O.G.etc | (酸類)HNO3,CH3OOH etc | ||||
| 适(shì)用溫度(dù) Suitable Temperature | -29℃~425℃ | -29℃~550℃ | -29℃~180℃ | |||
注:可按(an)要求采(cǎi)用其他(ta)材料 Note:Other materials are available upon request.
CS=碳(tan)鋼 AS=合金(jin)鋼 SS=不鏽(xiu)鋼 CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel;
| 通(tong)徑 | 縮徑(jìng)RB | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | ||
| NPS | 全徑FB | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | ||
| L | 150~800Lb | 79 | 79 | 92 | 111 | 120 | 120 | 140 | 178 | |
| 900Lb | 79 | 92 | 111 | 120 | 120 | 140 | 178 | 210 | ||
| 1500Lb | 111 | 111 | 111 | 114 | 120 | 140 | 162 | 210 | ||
| H(OPEN) | 150~800Lb | 158 | 158 | 169 | 197 | 236 | 246 | 283 | 330 | |
| 900~1500Lb | 169 | 197 | 197 | 236 | 246 | 283 | 330 | 354 | ||
| W | 150~800Lb | 100 | 100 | 100 | 125 | 160 | 160 | 180 | 200 | |
| 900~1500Lb | 100 | 125 | 125 | 160 | 160 | 180 | 200 | 240 | ||
| Weights | Bolted | 150~800Lb | 2.1 | 2.0 | 2.3 | 4.3 | 5.9 | 6.9 | 11.1 | 15.2 |
| 900~1500Lb | 2.5 | 4.3 | 4.2 | 6.6 | 8.8 | 12.5 | 17.2 | 23.5 | ||
| Welded | 150~800Lb | 1.8 | 1.7 | 2.0 | 3.8 | 5.1 | 6.1 | 10.2 | 14.2 | |
| 900~1500Lb | 2.4 | 4.2 | 4.0 | 6.3 | 8.7 | 12.1 | 17.2 | 22 | ||
上(shàng)一篇:消(xiāo)防專用(yong)信号閘(zha)閥型号(hao)Z45XZ41X
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