GB/T3036-2017 Center butterfly valve  

Butterfly Valve is characterized by simple structure, small volume, light weight, low material consumption, small installation size, fast switching, 90 ° reciprocating rotation, small driving torque, etc. It is used to cut off, connect and adjust the medium in the pipeline. High Performance Butterfly Valve has good fluid control characteristics and sealing performance. Butterfly Valve can deliver mud with the least liquid accumulation at the nozzle. Double Flange Butterfly Valve can achieve good sealing under low pressure. Good regulation performance. The streamlined design of butterfly plate makes the fluid resistance loss small, which can be said to be an energy-saving product. The valve rod is a through rod structure. After quenching and tempering, it has good comprehensive mechanical properties, corrosion resistance and scratch resistance. When Butterfly Valve is opened and closed, the Valve stem only rotates without lifting. The valve stem packing is not easy to be damaged, a…