AKK SERIES
Round plastic shut-off valves are used to shut off air flows in ventilation systems with aggressive environments
The flapper mechanism requires no maintenance
Damper tightness according to EN 1751, class 3
Housing tightness according to EN 1751, class B
Optional equipment
Electric drive
Spring return actuator
Pneumatic drive
Auxiliary switches with adjustable switching points for determining end positions
Application
Round plastic shut-off valves of the AKK series are used to block or limit air flows in air ducts in ventilation and air conditioning systems
Suitable for polluted air
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
AKK: Air shut-off valve
AKK-FL: Air shut-off valve with flanges on both sides
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
Execution
Round body
Pipe for connection to air ducts according to DIN 8077 standard
The position of the valve flap is visually controlled by the protrusion of the stem
All elements in contact with the air flow are made of plastic (does not contain metal parts)
Materials and surface coating
The control valve body and blade are made of flame retardant polypropylene (PPs)
Sleeve bearings are made of polypropylene (PP)
Chloroprene Rubber (CR) Valve Flap Seal