When disconnecting cylinders with diaphragm valves, it is most important to double close the valve and to properly install the outlet seal.
当切断钢瓶和隔膜阀的连接时，两次关闭阀门和正确安装排气口密封是最重要的。
2
AW series of large diameter valves using pneumatic actuator fork-type transmission, reasonable structure, output torque, a double-acting and single acting.
大口径阀门采用系列aw型气动执行器拔叉式传动，结构合理，输出扭矩大，有双作用式和单作用式。
3
The imbalance in architectural inner system can be solved to set the double-pipe system with temperature-controlled valves.