... and long life,convenience for operation,semi-axle structure,double-eccentric. Double flange typeFace to face length acc.to ISO5752 ... temperature:-10~120°cCharacteristics1.Short structure size,small volume,light weight,convenience for operation.2.Adopting semi-axle structure ... resistance and little comsumption for energy.3.Adopting the double-eccentric sealing structure,so the more closed and the ...