Easy connection to square,
rectangular, circular and flat oval ductwork.
patented Electrical Thermal Release for ultimate safety.
Free Low Smoke and Fume cabling supplied as a standard safety feature.
Actionpac Damper Control System
PTC™ reverse action dampers for smoke release or exhaust
A choice of three Control
Modes are located outside of the ductwork for easy access and
installation. The motorised Control Modes 5 and 6 can be fitted in 3
positions through 180° allowing maximum on-site installation
flexibility. All Smoke/Shield Control Modes must be in the released
position prior to connection.
Manual reset – with volt free contact for provision
of external indication of damper status. Not available on
Vent/Shield. Note: Vent/Shield PTC™ Dampers and associated control
modes are reverse action with spring opening (only available on
Modes 5 and 6).
Mechanical Fusible Link Control Mode 1
(Smoke/Shield only). Fail-safe by means of a unique and
patented mechanical fusible link which operates at approx. 72 °C,
complying with BS5588 Part 9: 1999. The link assembly incorporates a
safety feature that ensures the fail safe status of the damper if
the link is not fitted on to the ductwork. A manual test may be
performed by simple unscrewing the wing nut situated on the fusible
Control Modes 5 and 6
motor/spring return control modes with remote resetrelease
facilities, with volt free contacts for provision of external
indication, monitoring and control by means of an Actionpac damper
control system, or by a suitable alternative proprietary control
Electrical Thermal Release (ETR) Control Modes 5
and 6. Fail-safe by means of a unique and patented
electrical thermal release which operates at 72 °C or if power
supply is interrupted, complying with BS 5588 Part 9: 1999. The ETR
incorporates triple safety features, including an ingenious device
that ensures the fail-safe status of the damper if the ETR is not
fitted on to the ductwork. A manual test switch allows periodic
operation of the damper for testing purposes simulating actual
fail-safe release under smoke/fire conditions. For safety reasons
the ETR is designed to operate once only when 72 °C temperature is
Smoke/Shield PTC is an LPCB approved product and conforms
to the requirements of LPS1162 iss 2.
approved product, compliant to the new Loss Prevention Council
Design Guide for Fire Protection of Buildings.
Fire tested in vertical
and horizontal applications under dynamic conditions by The Loss
Corrosion tested to LPS
- Complies with the latest DW 144 casing
- The Control Modes satisfy the
requirements of EN 50081-1 and EN 50082-1 electro magnetic
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Specification for SMOKE / SHIELD
Automatic smoke and fire
dampers shall be of double skin spigot case having continuously
welded corners and spigot connections. Stainless steel aerofoil
blades of double skin construction, interlocking within twin
trailing edges, the interlocking providing a double metal seal.
Incorporated within the blade profile is a synthetic seal to ensure
low closed blade smoke leakage at ambient temperature. Accurate
bearing, alignment, positive cap and bar drive, and blade retention
combine to provide a slimline double skin casing of high rigidity,
complying with DW 144 classes A, B and C. Automatic smoke and fire
dampers shall be tested to and comply with BS ISO 10294/1
classification ES, and European Standard EN1366-2. Automatic smoke
and fire dampers to be complete with factory fitted installation
frames (where specified) to the HVC 06/05/83 specification.
Automatic smoke and fire dampers shall be fitted with a snaplock
interface and the relevant control mode specified on the drawings.
The snaplock interface and control mode to provide closure with
proportional torque control and give visual indication of damper
status. Dampers will be fail-safe by means of electrical thermal
release which operates at 72°C or by loss of power, complying with
BS5588 part 9.
Automatic smoke and fire dampers to be type
Smoke/Shield PTC as manufactured by Actionair, telephone 01227