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Volume ControlDampers and Relief Dampers

Series BDE, HBD-155, HCD-75, HCD-150, HCD-225, PRD-150

BDE Back Draft Damper H15-17

HBD Balancing Control Damper H11-14

HCD Control Damper H1-10, 13 & 14

PRD150 Pressure Relief Damper H18-20

Extruded aluminium or galvanised steel constructionFull range of compatible hardware

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© Holyoake Air Management Solutions – 2010

Series HFS

H37

Model HFS-R-146

damper for the prevention of the spread of fire and/or smoke through

Fire Rating:

Tests:

HFS-R-146 mounted in a concrete wall or floor

HFS-R-146 mounted in a plasterboard wall

Mounting:

Actuators: Because of critical fitting requirements, actuators must

Standard Construction

Dimensions:

Frame:

Blades:

Blade Linkage: External in frame, concealed between frame and

Bearings:

Control Shaft:

Control Linkage:

Latch:

Axles:

Cranks:

Blade Rotation:

Finish:

Maximum

Velocity: 10m/s

Minimum Size:

Maximum Size:

Frame Bracing: Diagonal corner braces on all dampers above

Handing:

Remote

Indication:

Sleeve:

Mounting

Angles:

Installation:

Dampers must be fixed square and free from

Duct

Connection:

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Model HFS-R-146

For non modular height use the following: Determine number of

Dimensions

No. of Blades 1 2 3 4 5 6 7

H Min 240 386 532 678 824 970 1116

H Max 375 521 667 813 959 1105 1113

A Min 115 115 115 115 115 115 115

B Min 33 33 33 33 33 33 33

C Min 175 175 175 321 467 613 759

Notes

55

40 x 60 x 2 GMSFixed MTG Angle

Slotted For M6 Bolts

on Max 200 CRS

60 x 40 x 2 GMS2

3

1

H

450

165

Min

125

200 Max80Min

5

4

W100

40

55

B

146

A

A

Max 1106

C

167

22

15

B

H

A = H - H Min + A Min 2

C = H - H Min + C Min

A 300 = 300 - 240 = 30 + 115 = 145

2

2

B 300 = 300 - 240 = 30 + 33 = 632

C 300 = 300 - 240 = 30 + 175 = 2052

B = H - H Min + B Min 2

Jack Shaft Centre From Top of Casting

Top + Bottom Blade Centres Blade Stop Heights

e.g. 300 Height

H38

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Dimensional Data – Series HFS

© Holyoake Air Management Solutions – 2010

Series HFS – Performance Data

H39

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Notes3

3 3

EXAMPLE:

Find the pressure drop across a 350 wide x 814 high model HFS-R-146 Fire/3/s

12Pa

Model HFS-R-146

AREA FACTOR TABLE

Duct Ht. No. of Duct Width (mm)

(mm) Blades 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900

230 1

376 2

522 3

668 4

814 5

960 6

1106 7

H40

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Series HFS

Fire and Smoke dampers shall be fire and leakage

Smoke dampers shall be equipped for either vertical or

Suggested Specifications

HFSR146 – W x H – MSU – SPECIAL OPTIONS

Fire/Smoke Damper

ngth Mounting Sleeve