Triple offset butterfly valve

Feature:
Design standard: API, ASME, EN, ISO, JIS, DIN, BS, GB 
Has four eccentric structure, which can achieve bi-directional zero leakage with the lowest torque.
Material: Carbon Steel,Stainless Steel,Copper Alloy,alloy steel,etc
Zero leakage, Replaceable seat
Application: Petrochemical, Power plant, Refining, Oil & Gas, Paper making etc.