{} The new multi-leaf smoke vents integrated multi-leaf smoke vents - Shandong Hao Feng professional production. Sales Hotline: more than 13,573,487,358 leaf exhaust port is usually installed in the aisle or smoke before the room, usually normally closed, smoke detector alarm signals emitted when the fire control center to turn on electrical solenoid valve opens the valve quickly, too Keren hand smoke quickly open the valve. ◆ leafy exhaust port performance telecommunications No. DC24V ± 2.4V to open the valve. ◆ ◆ remote to manually open the valve can be manually reset remotely. When the temperature reaches 280 ℃ ◆ ◆ valve actuation valve closes after the output signal is turned on, according to user requirements can be interlocked with other devices. Leafy exhaust port alias exhaust port, leafy exhaust port, exhaust port remote control, pressure delivery outlet