多功能地下阀门扳手的结构和使用方法

Structure and Use Method of Multifunctional Underground Valve Spanner

针对燃气地下管道阀门型号规格繁多、开关工具使用不方便等问题,对阀门的专用开关扳手进行了革新,研制出多功能地下阀门扳手,适用于多种型号规格的阀门。阐述了多功能地下阀门扳手的结构和使用方法。

In order solve problems of various types and specifications of gas underground pipeline valves and inconvenient use of opening and closing tool, the special spanner for opening and closing valves is renovated. A multifunctional underground valve spanner is developed to suit various types and specifications of valves. The structure and use method of the multifunctional underground valve spanner are expounded.