... PTFE. Other special materials are available for order, in order to measure corrosive fluid, i.e. Chlorine, Salt, Hydrochloric Acid, ... 4MPa)Application temperature: -80 ~ +300°C (For anti-corrosion PTFE: 0 ~ +80°C)Working environment temperature: -20 ~ +50°CApplication viscosity:φ15 ... : flange:Flange standard: 1.6, 2.5, 4.0, 6.4MPa, according to GB/T17241.6-68(Other special order available, please ...