Tel: +44 (0)1902 409590 
 
 
 

Damper Valves 
 

Circular Damper 
Designed for operation in hot gas and fume ducts; 
Single circular butterfly damper using stub shafts, roller bearings, stuffing box shaft seal and actuator to customer requirements; 
Diameters from 300mm to 3,000mm; 
Standard or custom flange drilling; 
Temperatures to 350°C; 
 
Rectangular Damper 
Single rectangular butterfly damper using stub shafts, roller bearings, stuffing box shaft seal and actuator.; 
Sizes from 250mm x 250mm to 1,500mm x 1,500mm; 
Standard or custom flange drilling. 
 
Multi-Louvre Damper 
Fabricated bodies using folded sheet to form two connecting flanges; 
Multi-Rectangular butterfly damper using stub shafts, roller bearings, stuffing box shaft seal and actuator; 
Sizes up to 3,000mm x 5,000mm; 
Fully tested instrumentation and electrical control packages, cabinets and switch gear can be supplied. 
 

Guillotine Damper 

Designed for operation in hot gas and fume ducts; 
Single rectangular blade; 
Blade guided by a deflector which can contain a ceramic fibre seal; 
Stuffing box blade seal and actuator to customer requirements; 
Sizes from 250mm x 250mm to 2,5000mm x 2,500mm; 
Standard or custom flange drilling. 
 
Actuation Options 
Pneumatic; 
Electric; 
Hydraulic actuators. 
 
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BROCHURE 
 
Circular Damper Valve
Multi-louvre Damper
Circular Damper
Rectangular Damper
Guillotine Damper
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