GB/T589-93船用法兰青铜止回阀 Marine bronze flanged lift check valves 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 | 65～125 | 阀体Body 阀盖Bonnet 阀盘Disk | 铸锡青铜 Cast tin bronze | ZQSn10-2Ⅱ ZQSn5-5-5Ⅱ | 1.6 | 125 | 2.5 | 20～100 | AS BS | 0.6 | 15～125 | 1.6 | 65～125 | 2.5 | 15～100 |
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止回阀： 止回阀 A25040 GB/T589-93 For marine bronze flanged lift check valves of PN2.5MPa，DN40mm type A and the flange dimensions in accord with GB569 Lift check valve A25040 GB/T589-93 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止回阀： 止回阀 BS16125 GB/T589-93 For marine bronze flanged lift check valves of PN1.6MPa，DN125mm type B and the flange dimensions in accord with GB2501 Lift check valve BS16125 GB/T589-93 |