丝扣锻钢闸阀产品概述: 丝扣锻钢闸阀整体法兰端阀门有三种阀盖设计,第一种是螺栓型阀盖,通过凹凸面连接,采用不锈钢带与柔性石墨缠绕垫片,按需求也可采用环连接,第二种是焊接型阀盖,通过螺纹密封后焊接,按需求也可直接采用刚性焊接,第三种是自密封阀盖,通过螺纹与自密封阀盖连接。 整体法兰端阀门结构设计可用在闸阀、截止阀、立升式止回阀和旋启式止回阀。 闸阀的结构设计和规范: 锻钢闸阀制造按API 602,BS5352,ANSI B16.34. 试验与验收按API 598,标识按照MSS SP-25. 结构型式如下: 1.全通径或缩径 2.结构长度按ANSI/ASME B16.10 3.法兰按ANSI/ASME B16.5 4.自密封阀盖 5.明杆带支架 6.两端自动调整的填料压套; 7.本体倒密封 8.整体阀体法兰 9.对焊端按ANSI/ASME B16.25 10.环连接阀体阀盖垫片 11.用缠绕式垫片的螺栓型阀盖、螺纹密封、焊接型阀盖,或自密封阀盖 材料表: 序号 NO. | 名 称 | 美标碳钢 CS to ASTM | 美标合金钢 AS to ASTM | 美标不锈钢钢 SS to ASTM | Part Name | Type A 105 | Type F22 | Type F304(L) | Type F316(L) | 1 | 阀体 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) | 2 | 阀座 | Seat Ring | A276 420 | A276 304 | A276 304(L) | A276 316(L) | 3 | 闸板 | Wedge | A276 410&430 | A182 F304 | A182 F304(L) | A182 F316(L) | 4 | 阀杆 | Wtem | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) | 5 | 垫片 | Gasket | Corrugated SS+graphite | SS+PTFE | 6 | 阀盖 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) | 7 | 螺栓 | Bonnet Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M | 8 | 销 | Pin | A276 T410 | A276 304 | 9 | 填料压套 | Gland | | A182 F304(L) | A182 F316(L) | 10 | 活节螺丝 | Gland Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M | 11 | 填料压盖 | Gland Flange | A105 | A182 f11 | A182 F304(L) | A182 F316 (L) | 12 | 螺母 | Gland Nut | A194 2H | A194 4 | A194 8 | A194 8M | 13 | 阀杆螺母 | Stem Nut | A276 410/Cu-Alloy(铜合金) | 14 | 手轮锁紧螺母 | H.W.Lock Nut | A194 2H | A194 4 | A194 8 | A194 8M | 15 | 铭牌 | Nameplate | SS | 16 | 手轮 | Handwheel | A197 | 17 | 衬垫 | Bearing Gasket | A473 431 | 18 | 填料 | Stem Packing | Flexible Graphite | PTFE | 适用介质 Suitable Medium | (水、油、气等)W.O.G.etc | (酸类)HNO3,CH3OOH etc | 适用温度 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=碳钢 AS=合金钢 SS=不锈钢 CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel; 尺寸和重量表 Dimensions(mm)and Weights(Kg) 通径 NPS | 1/2 | 3/4 | 1 | 1/4 | 1 1/2 | 2 | L(RF) L1(BW) | 150 | 108 | 117 | 127 | 140 | 165 | 178 | 300 | 140 | 152 | 165 | 178 | 190 | 216 | 600 | 165 | 190 | 216 | 229 | 241 | 292 | H(OPEN) | 150,300 | 158 | 169 | 197 | 236 | 246 | 283 | 600 | 169 | 197 | 236 | 246 | 283 | 320 | W | 100 | 100 | 125 | 160 | 160 | 180 | Weights | 150 | RF | 4.5 | 5.2 | 8.2 | 11.5 | 12.5 | 20.3 | BW | 2.8 | 3.3 | 5.4 | 7.1 | 8.2 | 12.5 | 300 | RF | 4.8 | 6.2 | 9.3 | 14 | 15.5 | 23.4 | BW | 3.5 | 4.4 | 6.8 | 8.1 | 9.2 | 15.4 | 600 | RF | 5.9 | 7.4 | 10.4 | 16.2 | 17.5 | 28.3 | BW | 4.5 | 5.1 | 8.2 | 10.5 | 12.4 | 20.1 |
通径 NPS | 1/2 | 3/4 | 1 | 1/4 | 1 1/2 | 2 | L(RTJ) | 900,1500 | 216 | 229 | 254 | 279 | 305 | 368 | L1(BW) | 900,1500 | 216 | 229 | 254 | 279 | 305 | 368 | H(OPEN) | 197 | 197 | 236 | 246 | 283 | 330 | W | 125 | 125 | 160 | 160 | 180 | 200 | Weights | RTJ | 7.2 | 11.5 | 15.6 | 16.2 | 22.6 | 32.8 | BW | 5.2 | 9.3 | 12.4 | 13.8 | 18.9 | 27.5 |
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