[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - manual control valve] Material: Aluminum / steel / stainless steel / galvanized steel product features: aluminum electric closed valve / aluminum air flow control valve of this product mainly used to regulate air flow exhaust valves, reduce wind speed, air pressure, reduce noise, and closed quite effective. Mainly driven approach is driven by a gear lever valve, manual or electric adjustment. Aluminum electric air valve is mainly used in central air-conditioning system [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - Applications damper] widely used in mining, civil construction and HVAC system valve on the air precisely adjust the air volume flow control valve, is one of the key equipment to achieve a variety of environments under the control of ventilation modes. Its main feature is flexible operation, low noise, small amount of leakage, (closed type leakage <0.5%) Operating temperature region wide, reliable structure, safe and convenient. Check valve _ _ Tianjin Jinzhong Ji damper manufacturer provided by Tianjin Jinzhong Ji HVAC purification equipment. Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com) strong, credible, in Tianjin fans, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the group into the brilliant and you work for a better future!