Air regulation
RŽ-7 Volume control damper
ANŽ-7 Overpressure damper
DL-3N Throttling damper
ZL-3N Shut-off damper
MRP-5 Constant flow damper
MRP-6 Constant flow damper
RM / RMV Constant flow damper
ERP-1 Circular air flow volume controller
ERP-5 Variable air volume control damper
ERP-6, ERP-7 Rectangular variable air flow regulator
