Multi-vasopressin factory outlet leafy smoke (air) port, its operating system by coupling the rope for remote control, using a thin-shaped bodies, reduce operating box size, improve the efficiency of the ventilation exhaust area, manual reset is closed, usually normally closed, electric, manually open the valve is closed again. Fire alarm, solenoid actuated to make the red button on the remote operating device, manually open the valve rope. Multi-leaf smoke (air) port, its operating unit mounted directly on the body. Remote control multi-leaf smoke (air) mouth, its operating system by coupling the rope for remote control. Multi-leaf smoke (air) port, its operating unit mounted directly on the body. Output on the start signal. Fire alarm, the solenoid valve opening action rope linkage system output signal line. Usually used to install the new floor staircase in the front room, smoke shaft wall, it can also be installed in the exhaust system pipe or duct side end. Output Enable signal and linkage control, other equipment and fire protection systems interlock. Multi-vasopressin outlet factory fire signal, solenoid actuated to make the red button on the remote operating device, manually open the valve, linkage control output signal line. Fire alarm, solenoid actuated to make the remote operating device red button to manually open the valve, and coordinated control signal output on line, other equipment interlock and fire protection systems. Lianyungang Rood air-conditioning installation Ltd. Contact: Road Manager Contact: over 18,360,350,969 vasopressin outlet