TVB

FOR THE MOST DIVERSE APPLICATION AT STANDARD VOLUME FLOW WITH DEMANDING ACOUSTIC REQUIREMENTS.

TROX VARYCONTROL terminal boxes type TVB is suitable for volume flow control of supply air in VAV systems. These are terminal boxes with circular inlet spigot and a larger, rectangular outlet section.

Terminal boxes are used in VAV systems with a high level of technical and acoustic requirements. Different versions allow appropriate selection of terminals to meet project-specific control requirements. The heating requirements in the outer zones of an air-conditioned building can be covered with an electric heater. The air diffusers can be connected directly to a multiple outlet box to save branch ducting and installation costs

General information

Construction features

Rectangular casing
Spigot on the inlet suitable for circular ducts to DW144, 1998
Connection on the room end suitable for air duct profiles
Position of the damper blade indicated externally at shaft extension
Thermal and acoustic insulation (lining)

Materials and surfaces

Casing and damper blade made of galvanized sheet steel
Damper blade seal made of Chloroprene rubber
Lining is fiber glass
Differential pressure sensor made of aluminum
Plastic bearings

Mineral wool

Internal fiber glass insulation lining.
Faced with woven glass fabric as protection against fiber erosion for airflow velocities up to 20 m/s
Resistant to fungal and bacterial growth

Installation and commissioning

Any installation orientation (except units with static differential pressure transducer)
Return edges of the casing with drilled holes suitable for M8 threaded rods

Standards and guidelines

Closed blade air leakage to EN 1751, Class 2 (4 – 10), Class 3 (12, 14, 16)

Maintenance

Maintenance-free as construction and materials are not subject to wear

Useful additions

Hot water heat exchanger
Electrical heater

For more details contact TROX Malaysia

Special characteristics

Factory set-up or programming and aerodynamic function testing
Volume flow rate can later be measured and adjusted on site; additional adjustment device may be necessary

Parts and characteristics

Ready-to-commission unit which consists of mechanical parts and control components
Averaging differential pressure sensor for volume flow rate measurement
Damper blade
Integral attenuator
Factory assembled control components complete with wiring and tubing
Aerodynamic functional testing on a special test rig prior to shipping of each unit
Set-up data is given on a label or volume flow rate scale affixed to the unit

Downloads

product information

Type TVB

M5/1.2/EN/5 Technical Leaflet 13 MB pdf

brochures

Product data sheet TVB

VAV-Terminal-Units-Type-TVB-M5_1_2_en_8 Product data sheet 590 KB pdf

References

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