| 摘要 |
PURPOSE: An improved ball valve for a boiler is provided to prevent leakage and securely connect with distributor. CONSTITUTION: An improved ball valve for a boiler comprises a main body(10), a steering wheel(20) and a ball(30). A path(11) and a supporting tube part(12) are comprised in the main body. An inlet and an outlet are formed at the path. The supporting tube part supports the steering wheel. A stop projection(13) is comprised in one side of the supporting tube part. A rotation axis(21) of the steering wheel is formed into one body. A guide hole with reduced diameter is mounted at the rotation axis right under the steering wheel. The ball is inserted in the center of inside of the main body. |
