AK SERIES
Round shut-off valves are used to shut off air flow in air ducts in ventilation and air conditioning systems.
The flapper mechanism requires no maintenance
Damper tightness according to EN 1751, class 4
Housing tightness according to EN 1751 class C
Optional equipment
Electric drive
Spring return actuator
Pneumatic drive
Auxiliary switches with adjustable switching points for determining end positions
Application
Round shut-off valves of the AK series are used to shut off or limit air flows in air ducts in ventilation and air conditioning systems
Characteristics
The valve flap can be operated manually, electrically or pneumatically.
Airtight shutoff of air flow
Optionally available with spring return servo motor to ensure safe operation
Options
AK: Air shut-off valve
AK-FL: Air shut-off valve with flanges on both sides
Design
Galvanized sheet steel
P1: Powder coated, gray (RAL 7001)
A2: Stainless steel
Details and characteristics
The air shut-off valve is supplied ready for installation.
Valve flap with mechanism
Accessories
Min/Max servos: Actuators for switching between minimum and maximum air flow setpoints
Auxiliary switch for detecting end positions
Sealing on both sides (factory installed)
Counter flanges on both sides
Execution
Round body
Pipe for connection to round air ducts EN 1506 or EN 13180
Pipe with recess for seal
The position of the valve flap is visually controlled by the protrusion of the stem
AK-FL: flanges comply with EN 12220
Materials and surface coating
Valve body and blade made of galvanized sheet steel
Flap seal made of TPE plastic
Polyurethane plain bearings