中诚阀门PZ73手动刀型闸阀
设计制造 design and manufacture: jb/t
结构长度 structural length: gb/t
法兰连接 flange connection: gb/t9 jb/t79-94
试验与验收 testing and acceptance: gb/t
主要零部件材质 key parts material
阀体、上盖valve body, upper cap
碳钢、不锈钢carbon steel, stainless steel
阀板valve plate
不锈钢stainless steel
阀杆stem
不锈钢stainless steel
密封圈seal ring
橡胶、四氟、不锈钢、硬质合金rubber, ptfe, stainless steel,hard alloy
主要性能规范 key performance indicators
公称压力nominal pressure
pn
壳体试验casing test
1.5xpn
密封试验leak test
1.1xpn