Application

KUL series air check valves for outdoor and exhaust air ducts of air conditioning systems
Preventing reverse air flows when the system is not working
When the system is turned off, the valve flaps close automatically
Maximum permissible total pressure drop: 100 Pa

Characteristics

At customer’s request, devices of any individual sizes within the standard size range are supplied
Temperature resistance up to 80 °C
Maximum pressure 100 Pa
Air check valves are opened and closed by air flow, no actuator required
Non-return air valves with flaps made of profiled aluminum sheet for normal operating conditions. The doors are equipped with seals to reduce noise levels

Performances

KUL: Air check valve, duct connection without flange holes
KUL-G: Air check valve, duct connection with flanged holes

Details and characteristics

Frame
Valve blades with low friction bearings
Sash position limiters
Sash seals
Travel stop in down position (corner section)
Mud, from B = 1000 mm

Accessories

Mounting frame: The mounting frame is designed for simple and quick installation of air valves with self-contained mechanical drive.

Design Features

Housing, wall thickness 1.25 mm
Doors, thickness 1.0 mm
Flanges on both sides for duct connection
Additional side stand with mounting holes for installing slat axes and built-in slat travel limiters
Travel limiters do not allow the lamellas to rotate at an angle greater than the specified one