ARK SERIES
Air check valves prevent backflow of air when the system is not operating
The tightness of the closed valve with back pressure complies with the requirements of EN 1751, class 4
Maximum pressure load 5000 Pa
The doors are made of AlMg3 alloy, resistant to salt water; body made of galvanized steel
Available in standard and custom sizes
ARK version (with flaps connected by drive rods) for systems with variable air flow
Version ARK-1 (with adjustable leaf travel limiters) for systems with constant air flow
Installation in horizontal and vertical channels
Application
ARK series air check valves for outdoor and exhaust air ducts of air conditioning systems
Preventing reverse air flows when the system is not working
When the system is turned off, the valve flaps close automatically
Maximum permissible pressure drop: 5000 Pa
Characteristics
The doors are made of AlMg3 alloy, resistant to salt water
Robust, maintenance-free design
Maximum pressure load 5000 Pa
The tightness of the closed valve with back pressure in the closing direction complies with EN 1751, class 4
Air valve for positive or negative pressure (supply or exhaust air)
Temperature resistance up to 80 °C
Temperature resistance up to 200 °C (optional), with Viton seals
Installation in horizontal and vertical channels
Maintenance-free DU bearings with Teflon coating, bearing axles made of stainless steel
Optional equipment
Mounting frame
Powder coating (RAL, NCS or DB colour)
Stainless steel version with stainless steel body and AlMg3 alloy doors
Temperature resistance up to 100 °C with Viton seals