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船用法兰青铜截止止回阀

适用介质:海水、淡水、滑油、燃油和温度不高于250℃蒸汽Available  medium:Sea water、fresh water、lubricating oil、fuel oil and steam of  250℃and under 型式Type公称压力PN (MPa)Nominal Pressure公称通径DN(mm)Nominal Diameter零件

适用介质:海水、淡水、滑油、燃油和温度不高于250℃蒸汽

Available  medium:Sea water、fresh water、lubricating oil、fuel oil and steam of  250℃and under

 

型式

Type

公称压力PN (MPa)

Nominal Pressure

公称通径DN(mm)

Nominal Diameter


零件名称

Part Name

材料

Material

 

A

B

1.0

65~150

阀体Body

阀盖Bonnet

阀盘Disk

铸锡青铜

Cast tin

bronze

ZQSn10-2Ⅱ

ZQSn5-5-5Ⅱ

1.6

125~150

2.5

20~125

 

AS

BS

0.6

15~150

阀杆Stem

铝青铜

Aluminum

bronze

QAl9-2

1.6

65~150

2.5

15~125

 

标记示例:How to order

公称压力为2.5MPa,公称通径为40mm,按GB569法兰连接尺寸和密封面的船用法兰青铜直通截止止回阀:

截止止回阀  A25040  GB/T588-93

For marine bronze flanged stop check valves of PN2.5MPa,DN40mm type A and the flange dimensions in accord with GB569

Stop check valve   A25040  GB/T588-93

公称压力为1.6MPa,公称通径为125mm,按GB2501法兰连接尺寸和密封面(四进位)的船用法兰青铜直角截止止回阀:

截止止回阀  BS16125  GB/T588-93

For marine bronze flanged stop check valves of PN1.6MPa,DN125mm type B and the flange dimensions in accord with GB2501

Stop check valve   BS16125  GB/T588-93


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