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GB/T585-1999 船用法蘭鑄鋼截止止回閥Marine Cast Steel Flanged Stop Check Valves
GB/T1853-94 船用法蘭鑄鋼舷側(cè)截止止回閥
Marine Cast Steel Flanged Over Board Stop Check Valves
性能規(guī)范 Technical Data
|
公稱壓力 Nominal Pressure(MPa) |
公稱通徑 Nominal Diameter(mm) |
適用介質(zhì) 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 |
主要零部件材質(zhì) Materials of Main Parts
|
零件名稱 Parts Name |
材料 Material |
||
|
名稱 Name |
牌號 Marks |
||
|
閥體、閥蓋 Body/Cover |
鑄鋼 Cast Steel |
ZG230-450 |
|
|
閥盤 Disc |
優(yōu)質(zhì)碳素鋼 High-quality Carbon Steel |
鋼 25 |
|
|
閥桿 Stem |
不銹鋼 Stainless Steel |
2Cr13 |
|
|
閥盤密封圈 Disc Seal ring |
焊不銹鋼 Weld Stainless Steel |
H2Cr13 |
|
|
閥體密封圈 Body Seal ring |
PN≤2.5 |
焊不銹鋼 Weld Stainless Steel |
H1Cr18Ni9Ti |
|
PN≥4.0 |
焊不銹鋼 Weld Stainless Steel |
H2Cr13 |
|
PN1.0、1.6、2.5MPa的A型、B型基本尺寸 Dimensions