BSB Dampers
Air, Fire and Smoke Control
Home  :  Product Range  :  SC Series  :  Performance Characteristics and Torque Chart
BSB Engineering Services Ltd.
Unit 56, Trinity Trade Centre,
Mill Way, Sittingbourne,
Kent ME10 2PD, United Kingdom
Tel: +44(0)1795 422609
Fax: +44 (0)1795 429543
Email:
For purchase orders and order related enquiries:
orders@bsb-dampers.co.uk

For pricing, technical and general customer service enquiries:
enquiries@bsb-dampers.co.uk

The BSB SC Series - Performance Characteristics

Pressure Drop - BSRIA Report 15633/1

Calculated performance at various settings.
Individual data sheets are available for each blade setting.

Leakage - BSRIA Report 15633/1

 Static Pressure Pascals
 Leakage per m2 (l/s/m2)
 Leakage (l/s)
 15.6  2.970  0.891
 29.4  4.239  1.272
 74.8  7.035  2.111
 162.2  10.636  3.191
 225.4  12.604  3.781
 380.0  16.230  4.869
 660.0  21.583  6.475
 955.0  25.511  7.653
 2020.0  40.428 12.128


Permitted Case Leakage at Various Pressures

The graph from HVCA's Publication DW144 illustrates the Flange Model casing Leakage to Classes A & B.
For conformance to Class C Leakage, the fully welded Spigot Model should be supplied.

SC Series - Torque Chart

Torque Chart (Nm)

Model FSD-TD-S with Actuator (kg approx)
Duct Pressure
(Pa)
  Damper Size (Width x Height in mm)
200 x 200
600 x 600
1200 x 1200
250
3 7 12
500
4 8 13
750
5 9 14
1000
6 10 15
Please note that these values have been rounded up or down at blade interaction with actual blade rotation being at reduced torque levels.

BSB Engineering Services Ltd. reserves the right to modify or withdraw any specification without prior notice that may result from continuous product development. The information contained within this website is for reference only. Full product details should be obtained from our Sales Office.

Designed and Hosted by Pregnant Prawn Design.