Difference between "Hard back seat" and "Soft back seat" butterfly valve Sep 14, 2022 Industry news 328 Puntos de vista Compartir: anterior:The difference between the ''Cartridge Sea'' and ''Booted Sea'' of Butterfly Valve Next:Working principle and characteristics of flanged three-way ball valve Relacionado How to do a good job in the maintenance and maintenance of the check valve?Precautions for installation and use of knife gate valve and application of knifWhat are the factors that affect the accuracy of electric valve electric actuatoV Port Ball ValveHow to choose a high temperature ball valve for different temperatures