Static Pressure Control

The EBD (Electronic By-Pass) style are self-contained units that give you the static control mounted to the damper.

It is an “all-in-one” design that makes the installation process much easier than most electronic by-pass dampers. The static pressure can be adjusted in the field between 0.5″ to 4″ of pressure. This is done by the turn of a set-screw. Requires 24VAC to operate. Tubing and pitot tube are included.

Model EBD

ebd-round

Round Sizes: 8″, 10″, 12″, 14″, 16″, 18″

Model EBD (Rectangular)

ebd

Rectangular Sizes: 12″ X 8″, 12″ X 10″, 12″ X 12″, 20″ X 8″, 20″ X 10″, 20″ X 12″

Model PS-4

wpe5

Model PS-4 pressure switch available separately for use with URD and ND style dampers.

Model PRD

prd

Model PRD pressure regulating damper is a single blade, steel, barometric damper with a counter-balanced weighted arm. The PRD provides an economical solution for bypassing excess air when zone dampers close. Damper adjustment is done by adjusting the supplied weights and by offsetting the arm.

Size CFM
12″ X 8″
1000
12″ X 10″
1200
12″ X 12″
1400
20″ X 8″
1600
20″ X 10″
2000
20″ X 12″
3000

Model PRD-RD

bypass1

Model PRD-RD pressure regulating damper is a single blade, round variation of a barometric relief damper. This is the simplest, most economical way of bypassing excess static pressure in multi-zone applications. Resistance is controlled by offsetting the arm and adjusting the weights. The arm can be inserted into either side of the damper for added versatility.

Size CFM
8″
400
10″
750
12″
1200
14″
1800
16″
2400

Other sizes available upon request.