Usage: G6B41W (unlined) / G6B41J (rubber lining) pneumatic diaphragm valve (normally open type) is specially designed to control non-corrosive or general corrosive media, the surface of the valve body cavity is unlined or covered with various rubber options available, suitable for different working temperatures and fluid pipelines. Applicable temperature: ≤85°C, ≤100°C, ≤120°C, ≤150°C (according to lining and diaphragm material) Pressure level: PN0.6, 1.0, 1.6