Metal made Rotary Air Valve acts as an air lock, sealing a system against loss of air and maintains operating pressure for maximum efficiency. The Air Valve is used for removal of fine dust from cyclone, dust collectors, bag filters etc. The Air Valve is made using quality grade raw materials like stainless steel, mild steel and cast iron which ensure optimum durability along with long lasting trouble free service. Metal made Rotary Air Valve is available in side entry type and straight entry type construction.