How to determine the price of common specifications and models of pneumatic ball valve? 1. Generally, it is required to spray anti-corrosion epoxy resin inside the pneumatic ball valve (i.e. plastic spraying treatment).
2. The derusting of the inner wall of the pneumatic ball valve by sand blasting and other methods meets the SA2.5 standard of GB/T8923, which is the metal color of the pipe wall.
3. Rust proof materials used inside pneumatic ball valves must have a health license and be harmless to human body.
4. The surface hardness is good, and there is no scratch with 2H pencil.
5. The interior of pneumatic ball valve usually needs five processes of spraying. The first primer shall be completed within one hour after sand blasting and rust removal, and the next spraying shall be carried out after the surface is dry.
6. Impact resistance
