For controlling constant air volumetric flows in ventilation and air-conditioning systems.

The mechanical volumetric flow controller controls the air volume throughput to a constant air volume.

• Mechanical volumetric flow controller in round or rectangular design for constant volumetric flow regulation without auxiliary energy.
• Operating temperature: 10 - 50 °C.
• Differential pressure range: 50-1000 Pa.
• Housing leakage according to DIN EN 1751, class C.
• Housing made of galvanised sheet steel, stainless steel 1.4301 (V2A) or 1.4571 (V4A).
• Control housing made of plastic material, halogen-free, or stainless steel 1.4301 (V2A) or 1.4571 (V4A).
• Also available with electric actuator.
• Optioinal: Certified according to ATEX Directive 2014/34/EU