Konvekta - Model K500 PVC -Corrosion Resistant Damper

• The K500‐PVC opposed blade volume control damper is a corrosive resistant product for use in corrosive atmospheres and with aggressive media
• These multi‐leaf dampers are primarily used in air conditioning and ventilation systems for volume control, pressure control and air balance
• Swimming pool installations
• Fume cupboard extract systems
• Variable air volume fume cupboard systems
• Wash down dampers
• Agricultural stores

• Rigid PVC double skin casing
• Aerofoil section extruded PVC blade
• Opposed blade action for optimum air control
• Individual blade coupling by Polypropylene gears, running in maintenance free PTFE bushes
• Anti‐corrosive guarantee for swimming pool applications
• Encased bearing, with one casing penetration
• Suitable for GRP cladding
• Manual, electrical or pneumatic factory fitted control options

• Casing – PVC‐U extruded 6.00mm thick double skin casing, 160mm deep with 50mm flanges
• Blades – PVC‐U extruded Aerofoil section double skin blades, 103mm wide
• Linkage – Polypropylene gear fitted with 25mm diameter integral stub shaft
• Bushes ‐ PTFE flanged bush, 25mm diameter x 2.5mm thick
• Drive Spindle ‐ 316 grade Stainless steel, 12.7mm square full length shaft

Size Range

• 100 W x 108 H to 1000 W x 1250 H in a single module
• For larger multiple module assemblies, please consult our technical department for details
• Circular, flat oval, spigot & flanged units are available

Operating Conditions:

• Temperature: ‐10°C to +60°C
• Pressure: ± 2500Pa
• Velocity: up to 20m/s

Options:

• GRP clad casings
• Low Leakage damper using specially coated K200 aluminium blades with EPDM edge seals
• Circular, spigot and flange connections
• Flange drillings
• Backing flanges
• Complimentary range of PVC non‐return dampers
• External linkages or gears

Control Options:

• M = Manual operated quadrant
• E = Extended spindle for motorization (by others)

Factory Fitted Actuators:

• Electrical actuator options – 24/110/240 volt units. Double acting /open‐close, modulating, spring return
• Pneumatic actuator options – Double acting/open‐close, modulating, spring return