The main technical parameters of exhaust valve operating voltage / current: DC24V / 0.5A Leakage Rate: 290m3 / h · m2 (standard state) PY-BSD remote control exhaust valves of steel cable length ≤6M Size (A × B × L ) rectangle: 320 × 320 × 210 ~ 2000 × 1250 × 210 round: Φ320 ~ Φ1500, thickness: L = 320 exhaust valve structure of the main parts: the body, valves, shafts, bushings, actuator B size ≥ 1000, mounting two actuators exhaust valve actuator circuit diagram smoke damper, fire control valve, 70-degree fire dampers, exhaust valves, dampers works, fire dampers picture, damper mounting position of the damper 280 wiring diagram, exhaust fans, diffusers, air valve, positive pressure blower, air flow control valve, damper prices, the difference between the flue damper valve exhaust damper smoke damper three in the "Ventilation and Air Conditioning Engineering Quality Construction Quality Acceptance GB50243-2002 "There are instructions on the installation location of fire dampers: 6.2.5 fire dampers, exhaust valve (port) of the mounting direction, the position should be correct. Fire dampers on both sides of the partition wall, from the wall surface should not exceed 200mm. Smoke dampers are mainly used in ventilation and air conditioning systems BED smoke dampers, smoke dampers usually installed in the fire separation of the computer room ventilation and air conditioning systems are usually always open when the duct temperature reached 70 degrees in the flue gas is automatic shut down. "Architectural design code for fire protection" provides delivery, return air duct through the wall and floor of the room to set damper, position through the wall at different fire district duct dampers shall be provided. Action is to return air damper system FVDH air flow control valve, when the fire occurred in the local pipeline or space, to prevent the fire from spreading to the other partition, while blocking the other partitions and systems. Fire dampers, spiral duct, electric air valve, valve actuators, valve selection and installation, valve manufacturers, valve legends, outlet valve, manual valve, pressure delivery valve BED damper | Fire Jinzhong Valve | Hao Yang Hao Yang air conditioning equipment from the Texas Air Conditioning Equipment Co., Ltd.. Hao Yang Texas Air Conditioning Equipment Co. (www.dzapjt.com) strong, credible, Shandong Texas fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hao Yang air conditioning and you hand into the brilliant, for a better future!