型式:A、B型
适用介质:海水、淡水、燃油、滑油和t≤250℃的蒸汽
公称压力:1.6MPa
公称通径:DN10~DN32
材料:阀体、阀盖、阀盘材料为ZCuSn10Zn2。
适用介质:海水、淡水、燃油、滑油、空气和温度不高于250℃蒸汽
Available medium:Sea water、fresh water、fuel oil、lubricating oil、air 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 | 4.0 | 10~32 | 阀体Body | 铸铝青铜 Cast aluminum bronze | ZQAl9-2Ⅱ
| |
B | 阀盖Bonnet 阀盘Disk | 铝青铜 Aluminum bronze | QAl9-2 |
标记示例:How to order
公称压力为4.0MPa,公称通径为20mm的船用外螺纹青铜直通止回阀:
止回阀 A40020 GB597-83
For marine bronze male thread lift check valves of PN4.0MPa,DN20mm type A
Lift check valve A40020 GB597-83