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JSR 2000 Diffuser

smoke extract fan

Description
Systemair JSR circular multiple-cone diffuser. The diffuser’s throw and distribution pattern are adjustable.

Function
The JSR is a circular multiple-cone diffuser for supplying air to large areas, which can be installed onto a PER plenum box or a duct. A scattered distribution pattern (short throw) or concentrated distribution pattern (long throw) can be set by rotating the diffuser 360°. This unit can be mounted on either the wall or the ceiling, and is suitable for both cooled and heated supply air. The angle of the diffuser can be set at between 15 and 30° depending on the distribution pattern.

Design
The JSR is manufactured from galvanized sheet steel with a white powder-coated finish (RAL 9010-80) and is available in the following diameters: ø 200, ø 250, ø 315, ø 400 and ø 500.

Mounting
The diffuser is installed directly onto the spiral duct and fixed with pop rivets. If the diffuser is fitted to a PER plenum box, there must be a straight length, 4 times the duct’s diameter, in front of the PER plenum box.

Our products

NGM Company is one of the largest suppliers of fans for use in various building ventilation applications.

NGM Company supplyes our clients with a full range of air terminal devices.

Regulating efficiently the natural environment, NGM Company's units can create silently the perfect indoor conditions; your conditions!