1. The construction and installation of fire dampers can edit and fan, exhaust fan interlock. 2. The operation of the valve mechanism side should be not less than 200mm of headroom to facilitate maintenance. 3. The valve must be checked before installation of the valve operating mechanism is intact, the action is flexible and effective. The damper duct segments 4. damper should be installed close to the wall or floor, the fire dampers on both sides of the partition wall from the wall surface should not exceed 200mm, dampers on each side of the pipeline within the scope of its 2.0m insulation materials should be non-combustible material. 5. The damper should set up a separate hanger to prevent pipe deformation affecting its performance in case of fire. 6. damper fuse should be installed in a large piece of the side facing the fire risk. Damper is now gradually widely used in major construction industry, as we are now increasing awareness of fire, so the major building fire safety requirements are also rising Hebei damper manufacturers, which requires fire dampers have good fire damper function Shenzhen supplier damper on the main role, and we know how much of it today as we detail below: damper that is used to block the smoke and flames from the fire zone dampers by Rich and within a certain time to meet the fire resistance stability and fire integrity pleading valve. When construction materials fire, fire along ventilation, air conditioning system trajectory rapid extension, constitutes a serious case of the loss of many. In order to reduce the fire caused damage to a minimum level, it is necessary to employ a useful fire, smoke control measures in order to seize the fire extension, and fire dampers in ventilation, air conditioning and smoke control system in a reasonable device, played a primary effect. Shenzhen damper suppliers _ Rich ventilation equipment (certified) _ Bengbu damper provided by Dezhou Plumper ventilation plant. Dezhou Plumper ventilation plant (#) is a leader in Dezhou, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Rich ventilation equipment in leadership with the staff warmly welcome all inquiries negotiations to create rich, ventilation a better future.