GB/T5744-93 船用快关阀
Marine quick-closing valves
适用介质：滑油、燃油及其它油
Available medium：Lubricating oil、fuel oil and other oils
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型式Type
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公称压力PN(Mpa)
Nominal Pressure
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公称通径DN(mm)
Nominal Diameter
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气缸工作压力P(Mpa)
Cylinder Work Pressure
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AS、AQ、ASS、AQS
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0.25
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20～150
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0.3～0.7
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BS、BQ、BSS、BQS
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零件名称Part Name
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材料 Material
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阀体Body
阀盖Bonnet
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铸钢Cast steel
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ZG230-450
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阀盘Disk
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碳钢Carbon steel
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45
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阀杆Stem
活塞杆Piston stem
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不锈钢Stainless steel
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2Cr13
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弹簧Spring
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硅锰弹簧钢丝Spring steel wire
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60Si2Mn
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气缸体
Cylinder body
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铸铝青铜Cast aluminum bronze
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ZQAl9-2
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活塞Piston
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黄铜Brass
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H62
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标记示例：How to order
公称通径为50mm，按GB569法兰连接尺寸和密封面的直通手动船用快关阀：
快关阀 AS50 GB/T5744-93
For marine quick-closing valves of DN50mm type A manual and the flange dimensions in accord with GB569
Quick-closing valve AS50 GB/T5744-93
公称通径为50mm，按GB2501法兰连接尺寸和密封面的直角气动船用快关阀：
快关阀 BQS50 GB/T5744-93
For marine quick-closing valves of DN50mm type B pneumatic and the flange dimensions in accord with GB2501
Quick-closing valve BQS50 GB/T5744-93
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