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英标3464暗杆闸阀
BS 3464 Non-rising Stem Seat Gate valve
●简介 Brief
硬密封铸铁闸阀是一种广泛应用于石油化工、火力发电厂等油品、水蒸气管路上作接通或截断管路中介质的启闭装置的阀门。这种阀门结构紧凑、设计合理，阀门刚性好。通道流畅，流阻系数小。该类阀门采用柔性石墨填料，密封可靠，操作轻便灵活。密封面采用不锈钢和硬质合金，使用寿命长，驱动方式分手动、电动、气动和齿轮传动。
Metal seal cast iron gate valve is one kibd of equipment which can be widely used on oil and steam pipelines in petrochemical plant and coal-fired power plants to connect or truncate the medium in pipelines. This valve has the advantage of compact structure, reasonable design, good rigidity, smooth channel and small flow resistance coefficient. This kind valve adopt flexible graphite packing to make seal reliably, operate portably and flexibly. Stainless steel and hard alloy deat to make service life longer. The drive way can be classified into manual, electric, pneumatic and gear transmission.
●主要零部件材质 Meterial Of Main Parts
编号NO: | 零件名称（Parts name） | 材料（Material） |
1 | 阀体（Body） | 球墨铸铁/铸铁（Ductile iron/cast iron) |
2 | 阀板（Disc） | 球墨铸铁/铸铁（Ductile iron/cast iron) |
3 | 阀座（Seat） | 铜/铸铁（Brass/cast iron） |
4 | 阀杆（Stem） | 不锈钢（2Cr13） |
5 | 阀盖（Bonnet） | 球墨铸铁/铸铁（Ductile iron/cast iron) |
6 | 手轮（Hand wheel） | 球墨铸铁/铸铁（Ductile iron/cast iron) |
●标准 Standards
1: | 结构长标准 BS3464 (Face to face is according to BS3464) |
2 | 法兰孔根据 BS10 Table E or D (Flange drilled is according to BS 10 Table E or D) |
●试验 Test
公称压力 MPa （Nominal Pressure） | PN10 | PN16 |
强度试验 MPa （Sheel Test） | 1.5 MPa | 2.4 MPa |
密封试验 MPa （Seal Test） | 1.1 MPa | 1.76 MPa |
●外型尺寸，连接尺寸 Overall & Connection Dimensions
公称通径 DN | 尺寸 Size （mm） | ||||
Nominal diameter | L | H | C | D | |
Mm | Inch | ||||
40 | 1.5” | 140 | 275 | 160 | 135 |
50 | 2” | 146 | 290 | 180 | 152 |
65 | 2.5” | 159 | 310 | 180 | 165 |
80 | 3” | 165 | 340 | 200 | 184 |
100 | 4” | 172 | 370 | 250 | 216 |
125 | 5” | 190 | 455 | 280 | 254 |
150 | 6” | 210 | 470 | 280 | 254 |
200 | 8” | 241 | 620 | 340 | 337 |
250 | 10” | 273 | 725 | 340 | 406 |
300 | 12” | 305 | 775 | 400 | 457 |
