CRR-MT model
Description
The KOOLAIR CRR volume control dampers are rectangular units
to be used for flow and pressure control in HVAC installations. The
dampers are fitted with a single slat commanded by a central shaft
and are manufactured of galvanized steel sheet.
Models
There are four types of rectangular volume control dampers,
according to the operating mechanism included and the degree of
air tightness provided:
CRR-MT
: Rectangular volume control damper manufactured of
galvanized steel sheet, with servo drive-based slat operation
(opened/closed, three-setting operation, or proportional operation)
with 24V or 220 V AC power supply. Includes tightness seal
around the entire housing perimeter.
CRR-M
: Rectangular volume control damper manufactured of
galvanized steel sheet and operated by an easy-to-use manual
control section, which shows the extent of slat opening from the
exterior. Fitted with a tightness seal around the entire housing
perimeter.
CRR-E
: Rectangular volume control damper manufactured of
galvanized steel sheet and operated by a simple control (handle or
wing nut). Fitted with a tightness seal around the entire housing
perimeter.
CRR
: Rectangular volume control damper manufactured of
galvanized steel sheet and operated by a simple control (handle or
wing nut). Not fitted with a tightness seal around the entire housing
perimeter.
Dampers
13
Volume control dampers, CRR series