GB/T584-99 船用法兰铸钢截止阀
Marine cast steel flanged stop valves
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适用介质：淡水、滑油、燃油和温度不高于300℃蒸汽(PN≤2.5MPa)或不高于400℃蒸汽(PN≥4.0MPa)
Available medium：Fresh water、lubricating oil、fuel oil and steam of 300℃and under (PN≤2.5MPa) or 400℃and under (PN≥4.0MPa)
1.0、1.6、2.5MPa
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型式
Type
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公称压力PN(Mpa)
Nominal Pressure
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公称通径DN(mm)
Nominal Diameter
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A、B
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1.0
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65-150
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1.6
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125-150
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2.5
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20-150
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4.0
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65-100
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6.4
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20-50
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AS、BS
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1.0
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200-300
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1.6
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100-250
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2.5
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20-150
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4.0
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65-100
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6.4
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20-50
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零件名称
Part Name
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材料
Material
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阀体Body
阀盖Bonnet
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铸钢
Cast steel
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ZG230-450
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阀盘Disk
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优质碳素钢
High - quality
carbon steel
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25
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阀杆Stem
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不锈钢
Stainless steel
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2Cr13
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阀盘密封圈
Disk seal ring
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焊不锈钢
Weld stainless steel
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H2Cr13
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阀体密封圈
Body seal ring
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焊不锈钢
Weld stainless steel
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H1Cr18Ni9Ti
H2Cr13
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标记示例：How to order
公称压力为1.6MPa，公称通径为125mm，按GB569法兰连接尺寸和密封面的船用法兰铸钢直通截止阀：
截止阀 A16125 GB/T584-99
For marine cast steel flanged stop valves of PN1.6MPa，DN125mm type A and the flange dimensions in accord with GB569
Stop valve A16125 GB/T584-99
公称压力为1.6MPa，公称通径为125mm，按GB2501法兰连接尺寸和密封面(四进位)的船用法兰铸钢直角截止阀：
截止阀 BS16125 GB/T584-99
For marine cast steel flanged stop valves of PN1.6MPa，DN125mm type B and the flange dimensions in accord with GB2501
Stop valve BS16125 GB/T584-99
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