暗杆闸阀
- 网络Inside screw nonrising stem type gate valve; NRS; non-rising stem type gate valve
暗杆闸阀暗杆闸阀
Inside screw nonrising stem type gate valve
管件中英文术语 ... 安全系数 safety factor 暗杆闸阀 Inside screw nonrising stem type gate valve 奥氏体 Austenite ...
NRS
阀门基本知识 ... 暗杆闸阀( non rising stem: NRS) 按中法兰分：螺栓连接阀盖( bolted bonnet: B.B) ...
non-rising stem type gate valve
... non-rising stem gate valve 暗杆式平板闸阀 non-rising stem type gate valve 暗杆闸阀 NRS Non-Rising Stem POA 申请定价 ...
inside screw nonrising stem type gate ale
screw... ... regulating stem set screw1. 调节杆止动螺钉 inside screw nonrising stem type gate ale1. 暗杆闸阀 ...
NON RISING STEM GATE
...L GATE） 闸阀（ASME B16.34 ） 暗杆闸阀（NON RISING STEM GATE） 压力密封闸阀（PRESSURE SEAL GATE） AP…