Under what circumstances do we need to use wafer butterfly valves? Oct 30, 2021 Industry news 419 Views Share: PREVIOUS:What is the difference between single, double and triple eccentric butterfly valves NEXT:What is the difference between bidirectional and unidirectional of butterfly valve? Related Features and working principle of self-operated temperature control valveWhat is the difference between a gate and a globe valve?The working principle of the plug valve and its advantagesWhat are the pneumatic diaphragm single-seat control valves, and how are the conSelection criteria for fully imported steam traps