70D Series Three-eccentric Butterfly Valve

The 70DSeries three-eccentric hard seal butterfly valve adopts the design ofthree-eccentric structure. There is no friction between the disc and seat withinthe full travel range of disc opening and closing ,so that the leakage causeddue to seat abrasion during seat opening and closing in rotary control valvesis eliminated. The seat adopts the multi-level structure and uses thecombination of metal and nonmetal materials to form the sealing face. It canwork excellently under the service conditions of high temperature and lowtemperature. The 70D Series butterfly valve is featured by long service lifeand excellent sealing performance. It is suitable for control and shut-offapplications of almost all gases and liquids in the industrial process control.Industrial.