1.Material: cast iron, stainless steel 2.Medium: solid particle, powder 3.Working ... work under 300 degrees Celsius.6. The material can be cast iron, stainless steel.7. Rotors can be made especially according ... used in chemical, cement, pharmacy, drying, environmental protection, electric power and foodstuff etc.12. This kind of rotary valve is ... and air lock valve. TGFY(I) Rotary Valve (cast iron)