Valves for heating installations; copper alloy globe valves PN 16 with screwed sockets; dimensions, materials
供暖装置用阀门；带螺纹套筒的铜合金截止阀PN 16；尺寸、材料
1981-12-01
NB/T 20008.38-2019
压水堆核电厂用其他材料 第38部分:爆破阀剪切盖用镍基耐蚀合金锻件
NB/T 20008.3-2012
压水堆核电厂用其他材料 第3部分：3级辅助系统泵、阀用铜－铝合金铸件
Other material for pressurized water reactor nuclear power plants-Part 3:Class 3 Copper-Aluminium alloy castings for anxiliary system pumps and valves
2012-01-06
NB/T 20005.18-2018
压水堆核电厂用碳钢和低合金钢 第18部分:主蒸汽隔离阀阀体用铸件
Carbon steel and low alloy steel for pressurized water reactor nuclear power plants-Part 18: Castìngs for steam isolation valve bodies