GB/T586-1999船用法兰铸钢止回阀A型GB/T586-1999船用法兰铸钢止回阀性能规范 Technical Data
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公称压力 Nominal Pressure(MPa) |
公称通径 Nominal Diameter(mm) |
适用介质 Applicable Medium |
|
1.0 |
65～125 |
淡水、滑油、燃油和 t≤300℃蒸汽 |
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1.6 |
20～125 |
|
|
2.5 |
20～100 |
GB/T586-1999船用法兰铸钢止回阀A型船用法兰铸钢止回阀主要零部件材质 Materials of Main Parts
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零件名称 Parts Name |
材料 Material |
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名称 Name |
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阀体、阀盖 Body/Cover |
铸钢 Cast Steel |
ZG230-450 |
|
|
阀盘 Disc |
优质碳素钢 High-quality Carbon Steel |
钢 25 |
|
|
阀盘密封圈 Disc Seal ring |
焊不锈钢 Weld Stainless Steel |
H2C r13 |
|
|
阀体密封圈 |
PN≤2.5 |
焊不锈钢 Weld Stainless Steel |
H1Cr18N19Ti |
|
PN≥4.O |
焊不锈钢 Weld Stainless Steel |
H2Cr13 |
|