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For systems requiring air control and low closed blade leakage characteristics
Variable flow damper - Mixing box for two duct systems
Commissioning/Shut-off damper - Ductwork leakage class 0 or 4
Ductwork leakage class 0
Measurement/control damper, air tightness class 0 or 4
Clamp
Measurement and control damper
Balancing Damper
High Temperature Volume Control Damper
Volume Control Damper
