ISO 9001 : 2008

CERTIFIED

VCD B 40 series

Type: Square and Rectangular

Blade Type: Aerofoil, Galvanized Construction

Blade Operation : A-Parallel, B-Opposed

 

BETEC CAD B-40 Series Volume control dampers are square and rectangular type with both parallel blade operation and opposed blade operation, double skin blade design. These heavy duty dampers are used under high pressure and velocity conditions to achieve efficient and rattle free operation.

 

The square and rectangular type VCD’s are designed for handling maximum air capacities at minimum pressure drop.

Damper Performance Ratings

Pressure – 6” wg (1500 Pa.) Max.

Leakage – Class – II (Refer AMCA 500 D)

Velocity – 3000 fpm ( 15 m/s).

Standard Construction

Frame

6” x 1.18” x 16 gauge (150 x 30 x 1.5 mm) thick rollformed
galvanized steel ‘C’ channel.

Blades

6” (150 mm) wide,1.5 mm (16 gauge) thick galvanized steel 3V type rollformed.

Bushes

Bronze.

Mechanical Linkage

Galvanized steel linkages concealed in the frame.

Axles

12 mm square galvanized steel.

Quadrant

Heavy gauge galvanized steel with position indications

Shut, 1/4 , 1/2, 3/4, Open.

Gasket

Neoprene / foam gasket.

Jamb Seal

0.3 mm thick Stainless spring steel.

Optional Fittings

Bushes

Brass / Stainless Steel.

Flange Holes

Available customers request, please specify.

Transitions

Neck adaptor for round duct connections.

 

Alphabet indicates the type of blade operation

A – Parallel Blade.
B – Opposed Blade.

Optional Construction

Frame : Thickness up to 3 mm
Frame Depth : Up to 200 mm
Blade : Thickness up to 3 mm
Blade Width : Up to 150 mm
Frame and Blade Material : Stainless Steel (304/316L)

Note:

Increments of 2” (50 mm) possible with combination of 4’’& 6’’ blade width.

Maximum single module size is 48”x48” (1200×1200 mm).

Damper, width W > 48” (1200 mm) or H > 48” (1200mm), is provided with a center mullion partition.

Request for Quotation

  • MSFD-GB-31C3-A-R

    Galvanized construction, 3-hour, Class 3 leakage at 350° F, 3V single skin blade, 4 in. wg, 2000 fpm, operating temperature 250° C up to 2 hours
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  • MSFD-GB-31C2-A-R

    Galvanized construction, 3-hour, Class 2 leakage at 250° F, 3V single skin blade, 4 in. wg, 2000 fpm, operating temperature 250° C up to 2 hours
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  • MSFD-GB-31C1-A-R

    Galvanized construction, 3-hour, Class 1 leakage at 250° F, 3V single skin blade, 4 in. wg, 2000 fpm, operating temperature 250° C up to 2 hours
    Read more