STJH-SWIRL-CEILING-AIR-DIFFUSER-400

Swirl Ceiling Air Diffuser 400 mm

Medium swirl diffuser with an expanded active pattern for controlled-room mixing.

Expanded vane field occupies a larger share of the face.
Medium square plate suits intermediate ceiling layouts.

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Product Introduction

The 350 mm swirl diameter uses most of the nominal 400 mm face. Its fixed radial passages offer greater effective discharge area than the compact version, supporting a larger mixed-air terminal selection.

Key Features

Expanded vane field occupies a larger share of the face.
Medium square plate suits intermediate ceiling layouts.

Technical Parameters

Nominal Face	400 mm
Actual Square Face	398 x 398 mm
Swirl Pattern Diameter	350 mm
Effective Area	0.0180 m²
Air Distribution	Horizontal swirl
Control Vanes	Fixed radial steel
Base Material	Galvanized sheet steel
Coating	RAL 9010 white
Temperature Difference Range	-12 to +10 K supply relative to room
Customization	Available for the required room mixing and ceiling arrangement.

Applications

Medium laboratory support rooms
Intermediate ceiling supply zones

Solutions for Your Application

The small swirl face offers insufficient discharge area for the selected duty.

The 0.0180 m² effective area provides an intermediate-size selection with the same mixing principle.

Available Options

Lined supply plenum
Circular face configuration

Planning a Swirl Ceiling Air Diffuser 400 mm specification?

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