This valve is used to control corrosive or strong corrosive medium. The inner C avity surface ofthe

valve bodyis unlined or covered wilth various kinds of fluor oplastics. Itis suitable for different working

temper ature and fluid pipeline，

Applicable temperature: less than ≤85C、 ≤100C， ≤120C、≤150C(according to lining and

diaphr agm material)