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詳細(xì)介紹
閘閥的結(jié)構(gòu)設(shè)計(jì)與規(guī)范：
- 鍛鋼閘閥制造按API 602,BS5352,ANSI B16.34.
- 試驗(yàn)與驗(yàn)收按API 598,標(biāo)識(shí)按照MSS SP-25.
結(jié)構(gòu)型式如下：
- 全通徑或縮徑；
- 明桿帶支架；
- 兩端自動(dòng)調(diào)心的填料壓套；
- 用纏繞式墊片的螺栓型閥蓋、螺紋密封焊接型閥蓋，或自密封閥蓋
- 本體倒密封；
- 承插焊接ANSI/ASME B16.11;
- 螺紋端(NPT端)按ANSI/ASME B1.20.1。
材料表：
| 序號(hào) NO. | 名 稱 | 美標(biāo)碳鋼 CS to ASTM | 美標(biāo)合金鋼 AS to ASTM | 美標(biāo)不銹鋼鋼 SS to ASTM | ||
| Part Name | Type A 105 | Type F22 | Type F304(L) | Type F316(L) | ||
| 1 | 閥體 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | 閥座 | Seat Ring | A276 420 | A276 304 | A276 F304(L) | A276 F316(L) |
| 3 | 閘板 | Wedge | A276 430&410 | A182 F304 | A182 F304(L) | A182 F316(L) |
| 4 | 閥桿 | Stem | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) |
| 5 | 墊片 | Gasket | Corrugated SS+graphite | SS+PTFE | ||
| 6 | 閥蓋 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 7 | 螺栓 | Bonnet Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 8 | 銷 | Pin | A276 420 | A276 F304 | ||
| 9 | 填料壓套 | Gland | A276 410 | A182 F304(L) | A182 F316(L) | |
| 10 | 活節(jié)螺絲 | Glａnd Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 11 | 填料壓蓋 | Glａnd Flange | A105 | A182 F11 | A182 F304(L) | A182 F316(L) |
| 12 | 螺母 | Glａnd Nut | A194 2H | A 194 4 | A194 8 | A194 8M |
| 13 | 閥桿螺母 | Stem Nut | A276 420/Cu-Alloy(銅合金) | |||
| 14 | 手輪鎖緊螺母 | H.W.Lock Nut | A 194 2H | A194 4 | A 194 8 | A194 8M |
| 15 | 銘牌 | Nameplate | SS | |||
| 16 | 手輪 | Handwheel | A197 | |||
| 17 | 襯墊 | Bearing Gasket | A473 431 | |||
| 18 | 填料 | Stem Packing | Flexible Graphite | PTFE | ||
| 適用介質(zhì) Suitable Medium | (水、油、氣等)W.O.G.etc | (酸類)HNO3,CH3OOH etc | ||||
| 適用溫度 Suitable Temperature | -29℃～425℃ | -29℃～550℃ | -29℃～180℃ | |||
注：可按要求采用其他材料 Note:Other materials are available upon request.
CS=碳鋼 AS=合金鋼 SS=不銹鋼 CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel;
尺寸和重量表 Dimensions(mm)ａnd Weights(Kg)
| 通徑 | 縮徑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 | ||
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