STJH-CLEANROOM-AIR-DISTRIBUTION-PLENUM-400-DN200

Cleanroom Air Distribution Plenum Box 400 mm Diffuser with DN200 Spigot

Medium side-entry plenum with accessible balancing options for a 400 mm diffuser.

Medium square casing fits a wider ceiling face.
Cord-operated options keep adjustment accessible.

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Product Introduction

A 372 mm square galvanized casing receives air through a 198 mm circular spigot. The 295 mm box height provides an expansion space above the diffuser, with optional pressure tapping and adjustment cords for balancing from below.

Key Features

Medium square casing fits a wider ceiling face.
Cord-operated options keep adjustment accessible.

Technical Parameters

Nominal Diffuser	400 mm
Plenum Width	372 mm
Plenum Height	295 mm
Connection Diameter	198 mm actual; DN200 nominal
Connection Orientation	Horizontal
Casing	Galvanized sheet steel
Air Distribution	Internal supply-air equalisation
Damper	Optional spigot blade
Measurement Option	Pressure tap with connecting tube
Customization	Box and balancing accessories can be adapted to the application.

Applications

Modular support-room ceiling outlets
Medium circular-branch diffuser connections

Solutions for Your Application

The ceiling void will be difficult to access after installation.

Optional control cords and pressure tubing bring balancing access to the diffuser opening.

Available Options

Internal acoustic lining
Damper and pressure-tap package

Planning a Cleanroom Air Distribution Plenum Box 400 mm Diffuser with DN200 Spigot specification?

Send us your dimensions, installation conditions, performance targets and required surface finish.

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