详细介绍: 【国标铸钢截止阀结构特点及用途】
1.全关时手轮按顺时针方向旋转;
When fully closed,the handwheel rotates clockwise.
2.可以安装在管道的任何位置上,介质从下往上流;
Able to be mounted on any POSTTTION of the pipeline,the medium flows from down to up.
3.不锈钢截止阀适用于各类腐蚀性介质的管道上,有良好的防腐性和足够的强度;
Stainless steel made stop valve is of good anti-corrosive property and enough strength and suitable for various pipelines with corrosive medium.
4.合金钢截止阀适用于耐高温的蒸汽、油品管道上,具有耐高温特点。
Alloy steel made stop valve features high-temperature resistance,suitable for high-temperature steam and oil goods pipelines.
【国标铸钢截止阀执行标准】
设计规范:GB/T 12235
结构长度:GB/T 12221
法兰连接:JB/T 79
试验与检验:JB/T 9002
产品标识:GB/T 12220
供货规范:JB/T 7928
【国标铸钢截止阀主要零部件材料】
产品类型Product classification
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零件名称Part name
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阀体、阀盖Body bonnet
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阀杆Valve stem
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阀瓣Disc
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密封面Sealing face
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阀杆螺母Yoke nut
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填料Packing
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紧固件Fastener
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手轮Handwheel
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J41(H.Y)-C型 J941(H.Y)-C型
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25、WCB
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铬不锈钢Cr.Stainless steel
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2Cr1325
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H:不锈钢Y:钴基硬质合金钢H:Stainless steelY:Co-based carbide alloy steel
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铝青铜Albronze
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柔性石墨Flexible graphite
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优质碳钢High-grade carbon steel
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可锻铸铁Forgeable cast-iron
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J41W-P型J941W-P型
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铬镍钛钢Cr.Ni.Ti steel
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铬镍钛钢Cr.Ni.Ti steel
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铬镍钛钢Cr.Ni.Ti steel
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铬镍钛钢Cr.Ni.Ti steel
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铝青铜Albronze
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柔性石墨Flexible graphite
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不锈钢Stainless steel
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可锻铸铁Forgeable cast-iron
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J41W-R型
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铬镍钼钛钢Cr.Ni.Mo.Ti steel
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铬镍钼钛钢Cr.Ni.Mo.Ti steel
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铬镍钼钛钢Cr.Ni.Mo.Ti steel
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铬镍钼钛钢Cr.Ni.Mo.Ti steel
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铝青铜Albronze
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柔性石墨Flexible graphite
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不锈钢Stainless steel
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可锻铸铁Forgeable cast-iron
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J41Y-I型J941Y-I型
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铬钼钢 Cr.Mo steel
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铬钼钢Cr.Mo steel
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合金钢Alloy steel
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钴基硬质合金钢C0-based carbide alloy steel
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铝青铜Albronze
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柔性石墨Flexible graphite
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合金钢Alloy steel
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可锻铸铁Forgeable cast-iron
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【国标铸钢截止阀试验压力】
公称压力PN(MPa)Nominal pressure
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1.6
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2.5
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4.0
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6.4
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10.0
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16.0
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壳体强度试验Shell strength test
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2.4
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3.8
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6.0
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9.6
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15
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24
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上密封试验Back seal test
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1.8
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2.8
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4.4
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7.0
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11
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18
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密封试验Seal test
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1.8
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2.8
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4.4
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7.0
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11
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18
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国标铸钢截止阀http://zhengvalve.com/992.html |