STJH-RECTANGULAR-DUCT-SILENCER-800X500X1000

Rectangular Duct Silencer 800 x 500 x 1000 mm

A broad acoustic section for large supply or return trunks.

A large front section suits central ventilation routes.
Bolted end flanges allow the attenuator to form part of a serviceable duct assembly.

Introduction de produit

The large rectangular casing accommodates a substantial internal absorber arrangement. Its taller and wider face serves trunk-duct routes near central plant, where noise treatment must be integrated without reducing the nominal duct opening.

Key Features

A large front section suits central ventilation routes.
Bolted end flanges allow the attenuator to form part of a serviceable duct assembly.

Paramètres techniques

Duct Width	800 mm
Duct Height	500 mm
Silencer Length	1000 mm
Shell Construction	Welded galvanized steel
Acoustic Element	Internal sound-absorbing media
Geometry	Straight rectangular attenuator
Flange Envelope	840 x 540 mm
Bolt Hole Diameter	9 mm
Connection Arrangement	Flange at both ends
Customisation	Available for the intended trunk airflow, noise spectrum and installation space.

Applications

Air-handler trunk ducts
Large return routes beside mechanical rooms

Solutions for Your Application

The main duct carries fan sound toward occupied zones.

The absorber section is located within the large trunk air path.

A branch-size silencer creates a bottleneck.

The 800 x 500 mm nominal face maintains the larger duct interface.

Options disponibles

Acoustic section configuration
Flange interface dimensions

Planning a Rectangular Duct Silencer 800 x 500 x 1000 mm specification?

Envoyez-nous vos dimensions, conditions d'installation, objectifs de performance et finition de surface requise.

Parlez à notre équipe