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 Fresh water, Lubricanting oil, Fuel oil, t≤300℃ steam. |
1.6 | 100~250 | |
2.5 | 20~150 | |
4.0 | 65~100 | 淡水、滑油、燃油和 t≤400℃蒸汽 Fresh water, Lubricanting oil, Fuel oil, t≤400℃ steam. |
6.4 | 20~50 |
零件名稱 Parts Name | 材料 Material | ||
名稱 Name | 牌號(hào) 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 |
公稱 壓力 PN (MPa) | 公稱 通徑 DN (mm) | 結(jié)構(gòu)尺寸 Structure Dimension | 壁厚 Thickness | 法蘭 Flange | 螺栓 Bolt | 手輪 Hand wheel | 升程 Lift Range m | 參考重量 Weight(kg) | |||||||||||
L | H≈ | H1 | |||||||||||||||||
A型 | B型 | A型 | B型 | B型 | D | D1 | d0 | b | n個(gè) | Th | Do | S | A型 | B型 |