Zhengying SCR-BJ universal screw burner servo motors (motors, actuators) proportional valve motor dedicated universal joints (universal lever) Japan Zhengying VM series mixing tube, VM-15, VM-20, VM-25, VM- 40, VM-50, VM-65, C mixing valve (mixer, also known as Venturi) Japan Zhengying combustion accessories universal joint, 7617ADW bow, 7614ADW-L-GK proportion of motor connecting rod, motor base VM series mixing tube, VM-15, VM-20, VM-25, VM-40 SVP Series Proportional valve SVP-20, SVP-25, SVP-40, SVP-50 BVM Series manual butterfly, BVM-20, BVM-25, BVM-40 , BVM-50, BVM-65, BVM-80 BVC series air valve BVC-20, BVC-25, BVC-40, BVC-50, BVC-65, BVC-80 material: cast iron Connection: internal thread structure: Offset Plate Medium: Gas Pressure environment: atmospheric temperature: Room temperature Standard: Japanese Standard flow direction: Unidirectional Drive: pneumatic parts and accessories: Body Use: emptying type (channel position): Second formula