Puravent 6238 Spm-300 Iris Damper With Bulb User Manual

SPM-300 IRIS DAMPER WITH BULB
Item no. 6238Document type: Product card
Document date: 2019-06-20
Generated by: Systemair Online Catalogue

Description

Systemair SPM iris damper with more choking ability.
Function
The SPM is an iris damper for measuring and adjusting the air flow, with more choking ability than the SPI. The SPM has the following specifications: low noise level, centricallyformed air flow and fixed test points for precise measurements.
Accessorie, Access door RLL, is recommended for use with SPM. Available in sizes ø 160-400, but not for size 300.
Design
The damper is manufactured from galvanised sheet steel and is fitted with an airtight rubber seal. Size ø 160-400. How to use for exhaust air This device can be used for  xhaust air.
Mounting
The SPM adjustment damper must be installed in accordance with the distances required to minimise air-flow deviation. Reducing or enlarging the duct to the next duct size does not require any specified distances for minimising deviation. The SPM enables the taking of precise air-flow measurements at all points including points close to duct deviations such as T junctions and bends, and points in front of other supply-air devices.
Protective distance
before bends 1 x D
after “ 1 x D
before T-pipes 3 x D
after “ 1 x D
before supply-air devices 3 x D

Dimensions

Name: SPM-300 IRIS DAMPER WITH BULB | Item no.: 6238
Document type: Product card | Document date: 2019-06-20 | Generated by: Online catalogue

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