Difference between "Hard back seat" and "Soft back seat" butterfly valve Sep 14, 2022 Industry news 114 Views Share: PREVIOUS:The difference between the ''Cartridge Sea'' and ''Booted Sea'' of Butterfly Valve NEXT:Working principle and characteristics of flanged three-way ball valve Related The difference between the with pin and pinless butterfly valveThe classification of pneumatic ball valvesTypes and working principles of common flow control valvesThe difference between parallel double gate valve and wedge gate valve structureOverview of Y-Strainers