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GB/T585-1999 船用法兰铸钢截止止回阀Marine Cast Steel Flanged Stop Check Valves
GB/T1853-94 船用法兰铸钢舷侧截止止回阀
Marine Cast Steel Flanged Over Board Stop Check Valves
性能规范 Technical Data
|
公称压力 Nominal Pressure(MPa) |
公称通径 Nominal Diameter(mm) |
适用介质 Applicable Medium |
|
1.0 |
65～300 |
淡水、滑油、燃油和 t≤300℃蒸汽 |
|
1.6 |
100～250 |
|
|
2.5 |
20～150 |
|
|
4.0 |
65～100 |
淡水、滑油、燃油和 t≤400℃蒸汽 |
|
6.4 |
20～50 |
主要零部件材质 Materials of Main Parts
|
零件名称 Parts Name |
材料 Material |
||
|
名称 Name |
牌号 Marks |
||
|
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 |
|
|
阀杆 Stem |
不锈钢 Stainless Steel |
2Cr13 |
|
|
阀盘密封圈 Disc Seal ring |
焊不锈钢 Weld Stainless Steel |
H2Cr13 |
|
|
阀体密封圈 Body Seal ring |
PN≤2.5 |
焊不锈钢 Weld Stainless Steel |
H1Cr18Ni9Ti |
|
PN≥4.0 |
焊不锈钢 Weld Stainless Steel |
H2Cr13 |
|
PN1.0、1.6、2.5MPa的A型、B型基本尺寸 Dimensions