GB/T 584-2008 船用法兰铸钢截止阀

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GB/T584-2008船用法兰铸钢截止阀
Marine cast steel flanged stop valves
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


型式
Type
公称压力PN(Mpa)
Nominal Pressure
公称通径DN(mm)
Nominal Diameter

A、B
1.0
65-150
1.6
125-150
2.5
20-150
4.0
65-100
6.4
20-50

AS、BS
1.0
200-300
1.6
100-250
2.5
20-150
4.0
65-100
6.4
20-50

零件名称
Part Name
材料
Material
阀体Body
阀盖Bonnet
铸钢
Cast steel
ZG230-450
阀盘Disk
优质碳素钢
High - quality
carbon steel
25
阀杆Stem
不锈钢
Stainless steel
2Cr13
阀盘密封圈
Disk seal ring
焊不锈钢
Weld stainless steel
H2Cr13
阀体密封圈
Body seal ring
焊不锈钢
Weld stainless steel
H1Cr18Ni9Ti
H2Cr13


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