STJH-CONSTANT-AIR-VOLUME-TERMINAL-BOX-DN305

Constant Air Volume Terminal Box DN305

Medium CAV box with a 305 mm inlet for stable supply to larger individual zones.

305 mm inlet serves a larger branch than the compact model.
Sealed double-skin blade combines stiffness with controlled positioning.

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Product Introduction

A 437 mm long body houses the constant-volume regulating section. Its twelve-inch inlet and multipoint flow probe feed a modulating control loop, with a rubber-sealed double-skin blade providing the mechanical adjustment.

Key Features

305 mm inlet serves a larger branch than the compact model.
Sealed double-skin blade combines stiffness with controlled positioning.

Technical Parameters

Inlet Diameter	305 mm
Nominal Inlet Class	12 in
Overall Length	437 mm
Body Sheet	22 gauge galvanized steel
Blade	Double-skin steel
Edge Seal	Rubber
Probe Material	Aluminum
Flow Sensing	Multiple averaging pressure points
Actuation	Electric constant-volume controller
Customization	Available for the required branch airflow and operating environment.

Applications

Medium controlled-room supply branches
Single-zone constant-volume distribution

Solutions for Your Application

A simple inline restrictor cannot respond to changing duct pressure.

The assembled controller uses measured flow to reposition the damper as conditions change.

Available Options

Control-box enclosure
Downstream acoustic treatment

Planning a Constant Air Volume Terminal Box DN305 specification?

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

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