用途 Use
加长机构主要适用于地下管道阀门或不易接近的阀门用于加长传动装置使用。
Longer mainly for underground pipes or difficult to close the valve valve gear for extended use.
特点 Features
1.结构紧凑,体积小,可有效传递扭矩。
2.设计合理、装拆容易、便于维修。
1.The structure of compact,small size,can effectively transmit torque.
2.The design of rational,assembly and disassembly easy,easy maintenance.