·Main technical parameters

Operating temperature of fuse: 70 °℃ Fire resistance rating of valve: 1.5h Air leakage < differential pressure 300 PA >: ≤ 700m3 / m2-h Resistance coefficient at full opening: < 0.5

·Structure

Main components: valve body, valve blade shaft, bushing, fuse, actuator, valve flange are all made as common plate flange, and the flange width is 30mm Thickness of rectangular valve body: l = 250mm

·Performance

It is normally open at ordinary times. In case of fire alarm, the smoke detector sends an electrical signal (DC24V) through the control center. The electromagnetic iron in the actuator acts, the valve closes automatically and outputs a closing electrical signal. The valve can be closed manually or closed by 70 ° C fuse action. The valve has a six gear air volume regulating switch. The smoke and fire damper is manually reset.

·Main technical parameters

Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Fire resistance rating of valve: 1.5h Operating temperature of fuse: 280 °℃ Control voltage: DC24V Action time: instant Resistance coefficient when the valve is fully open: < 0.5

·Structure

Main components: valve body, valve blade shaft, bushing, fuse, actuator and valve All flanges are made as common plate flanges, and the flange width is 30mm Thickness of rectangular valve body: l = 250mm

·Performance

It is normally open at ordinary times. In case of fire alarm, the smoke detector sends an electrical signal (DC24V) through the control center. The electromagnetic iron in the actuator acts, the valve closes automatically, and outputs the closing electrical signal. After the valve acts, it is reset manually. When the temperature rises to 280 ℃, the fuse acts and the valve closes automatically.

·Main technical parameters

Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Fire resistance rating of valve: 1.5h Control voltage: DC24V Action time: 20 seconds Resistance coefficient when the valve is fully open: < 0.5

·Structure

Main components: valve body, valve blade, shaft, bushing, fuse, actuator and valve All flanges are made as common plate flanges The flange width is 30mm, the valve body is 2.0mm and the valve plate is 2.0mm Length of rectangular valve body: l = 250mm

·Performance

It is normally closed at ordinary times. When a fire alarm occurs, the smoke detector gives an alarm, the fire control center sends a signal (DC24V), the valve actuator acts, the valve opens, and the linkage fan starts to smoke outward.

·Main technical parameters

Operating temperature of fuse: 70 °℃ Fire resistance rating of valve: 1.5h Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Resistance coefficient at full opening: < 0.5

·Structure

Main components: valve body, valve blade shaft, bushing, fuse and actuator All valve flanges are made as common plate flanges, and the flange width is 30mm Thickness of rectangular valve body: l = 250mm

·Main technical parameters

Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Fire resistance rating of valve: 1.5h Operating temperature of fuse: 280 °℃ Control voltage: DC24V Action time: 3 seconds Reset time: 20 seconds Resistance coefficient when the valve is fully open: < 0.5

·Structure

Main components: valve body, valve blade shaft, bushing, fuse, actuator and valve All flanges are made as common plate flanges, and the flange width is 30mm Thickness of rectangular valve body: l = 250mm

·Performance

It is normally open at ordinary times. In case of fire alarm, the smoke detector sends an electrical signal (DC24V) through the control center. The electromagnetic iron in the actuator acts, the valve closes automatically and outputs a closing electrical signal. The valve can be closed manually or closed by fusing at 70 °℃. The valve has a six gear air volume regulating switch. The smoke and fire damper is reset manually, and the full-automatic smoke and fire damper is reset by DC drive after action.

·Main technical parameters

Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Fire resistance rating of valve: 1.5h Control voltage: DC24V Action time: 20 seconds Resistance coefficient when the valve is fully open: < 0.5

·Structure

Main components: valve body, valve blade, shaft, bushing, fuse and actuator All valve flanges are made as common plate flanges The flange width is 30mm, the valve body is 2.0mm and the valve plate is 2.0mm Length of rectangular valve body: l = 250mm

·Performance

It is normally closed at ordinary times. In case of fire alarm, the smoke detector sends an electrical signal (DC24V) through the control center, the electromagnetic iron in the actuator acts, the valve opens automatically and outputs the opening electrical signal. After the valve acts, the DC motor drives to reset, and the valve can be opened and reset manually.

·Main technical parameters

Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Control voltage: DC24V Contact capacity of microswitch: AC380V < 0.5A Resistance coefficient at full opening: < 0.5

·Structure

Main components: valve body, decorative air outlet, valve blade, shaft, bushing and actuator Thickness of multi leaf smoke exhaust outlet: l = 250mm (including air outlet panel)

·performance

It is installed in the smoke exhaust system and is normally closed. In case of fire alarm, the smoke detector sends an electrical signal (DC24V) through the control center. The electromagnetic iron in the actuator is energized, the valve opens automatically and outputs the opening electrical signal. The valve can be opened and reset manually.

·Main technical parameters

Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Control voltage: DC24V Contact capacity of microswitch: AC380V < 0.5A Resistance coefficient at full opening: < 0.5

·Structure

Main components: valve body, decorative air outlet, valve blade, shaft, bushing and actuator Thickness of multi leaf smoke exhaust outlet: l = 250mm (including air outlet panel)

·Performance

It is installed in the smoke exhaust system and is normally closed. After the smoke exhaust fan is started, the fire control center will open the signal valve and send fresh air to the fire site through the ventilation axial flow fan to ensure the supply of fresh air at the fire point. After the action, it needs to be reset manually after the fire is relieved.

·Main technical parameters

Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Control voltage: DC24V Contact capacity of microswitch: AC380V < 0.5A Resistance coefficient at full opening: < 0.5

·structure

Main components: valve body, valve blade, shaft, bushing and actuator Thickness of smoke exhaust outlet: l = 200mm

·Performance

It is installed in the smoke exhaust system and is normally closed at ordinary times. In case of fire alarm, the smoke detector sends an electrical signal (DC24V) through the control center, the electromagnetic iron in the actuator is powered on, the valve automatically opens and outputs the opening electrical signal, and the air outlet of the linkage smoke exhaust fan is started. The valve is manually opened by remote steel wire rope, and the valve is reset and closed by the wall actuator during reset. The steel wire rope is divided into 6m, 9m and 12m.

·Main technical parameters

Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Control voltage: DC24V Contact capacity of microswitch: AC380V < 0.5A Resistance coefficient at full opening: < 0.5

·Structure

Main components: valve body, valve blade, shaft, bushing and actuator Thickness of smoke exhaust outlet: l = 200mm

·Performance

It is installed in the smoke exhaust system and is normally closed at ordinary times. In case of fire alarm, the smoke detector sends an electrical signal (DC24V) through the control center, the electromagnetic iron in the actuator acts, the valve automatically opens and outputs the opening electrical signal, and the air outlet of the linkage smoke exhaust fan starts. The valve is opened manually at close range and reset manually after the valve acts.

·Main technical parameters

Operating temperature of fuse: 70 °℃ Fire resistance rating of valve: 1.5h Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Resistance coefficient at full opening: < 0.5 L=250

·Structure

Main components: valve body, decorative air outlet, valve blade, shaft, bushing and actuator Thickness of rectangular valve body; L=250mm All valve flanges are made as common plate flanges, and the flange width is 30-40mm When h dimension ≥ 1000, 2 actuators shall be installed

·Performance

It is normally open at ordinary times. When the air flow temperature in the pipeline reaches 70 °, the fuse acts and the valve closes automatically. The valve can be opened or closed manually and reset manually after the valve acts. The valve has a six gear air volume regulating switch. The valve closing signal can be output.

·Main technical parameters

Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Main technical parameters of resistance at full opening

·Structure

Main components: valve body, valve blade, shaft, bushing, handle, air duct size and valve body thickness. When l = 200800, square to round type shall be made, l = 350

·Performance

Normally open, the valve can be opened or closed manually, and the valve has a six gear air volume regulating switch.

·Explain

The pneumatic circular air valve is installed in the general ventilation system and can be normally open or closed at ordinary times. After the signal is given, the actuator acts and the valve opens or closes. The main feature is that the electric actuator acts quickly and can be used as a rectangular valve. The flange can be customized. The material is galvanized and 304 stainless steel. The voltage can be 220V or 24V.

·Main technical parameters

Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Control voltage: DC24V / 220V Resistance coefficient at full opening: < 0.5

·Structure

Main components: valve body, valve blade, shaft, bushing and actuator

·Main technical parameters

Air leakage < differential pressure 300pa >: ≤ 700m3 / m2 · H Control voltage: DC24V / 220V Resistance coefficient at full opening: < 0.5

·Structure

Main components: valve body, valve blade, shaft, bushing and actuator

·Structure

Main components: valve body, valve blade shaft and fuse

·Summary

Combined large section air valve is composed of several small air valves. Each has an independent electric mechanism to drive the valve blade to open and close and output signals. It is commonly used in air ducts with large air volume.