Lindab | Calculate RCG

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Plenum boxes
MBC Sound-attenuated supply plenum box with rotating blade damper for constant airflows
MBB Sound-attenuated supply or extract plenum box with cone damper for constant airflows

Product category

Product name

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Plenum box

Plenum box type

Duct connection size

Diffuser connection size

Function

Connection

Working setup

Air volume

q_v

Room attenuation

D_r

Adjustment pressure

Δp

Description

Usercode

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RCG

RCG-125+MBC-100-125

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Swirl diffuser

RCG is a circular swirl diffuser with fixed bars. RCG is suitable for the horizontal supply of very cold air. The swirl pattern ensures optimum distribution and high induction, as well as a large dynamic range.
Installing a RCG diffuser in a plenum box type MB can help to achieve a stable flow of air to the diffuser as well as realise the potential for individual adjustment.
RCG can also be installed directly in the duct using the traverse bracket GRZ1, which is available as an accessory.
Damper type B is an unique linear cone damper which allows to use the full operational area (0-100%) and allows to balance with a high pressure drop over the box with low sound generation. Furthermore the construction of the damper gives an accurate and reliable measurement.
Damper type C is with a rotating blade damper for supply air. Typically used in applications that don’t require a high balancing pressure in the plenum box.