Split type constant-temperature control bypass valve and hot water circulation system thereof

The utility model belongs to liquid control valves, and particularly relates to a split type thermostatic control bypass valve and a hot water circulation system thereof, which comprise a left valve body, a right valve body and a connecting and locking assembly, and the connecting and locking assembly is configured to connect the left valve body and the right valve body first and then lock the valve body. The split type thermostatic control bypass valve has the advantages that the left valve body and the right valve body are connected in a screwed mode through threads, then the limiting function and the anti-loosening function are achieved through the clamping grooves and the clamping blocks, the sealing performance is good, and maintenance is convenient. 本实用新型属于液体控制阀，具体涉及一种分体式恒温控制旁通阀及其热水循环系统，包括：左阀体和右阀体，还包括连接锁紧组件，所述连接锁紧组件被配置为将左阀体和右阀体先连接后锁紧。本实用新型的分体式恒温控制旁通阀具有连接左右阀体通过螺纹旋合连接，然后通过卡槽和卡块达成限位和防松功能，密封性好且便于维护。