[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, reducing wind speed, air pressure dampers picture, reduce noise valve, and closed quite effective. The main approach is driven by the gear lever to drive a manual 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 - smoke damper] advantages: 1, low air leakage, airtight performance 2, electric 3 small open current consumption, strong corrosion resistance and long service life. (Made of stainless steel type) 4, the actuator drive flexible. Feedback, interlock signal accurately. Flue damper, damper Hebei, 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!