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● It can be used as a gas volume flow or air volume flow regulation device
for higher requirements in combustion units
● Standards & Certifications:
● Large adjustment range > 1:25
● Suitable for I... Series III gas as well as air
● By rotation angle 0... Increase the volume flow rate proportionally by 90°
● Gas Type I... Series III gas and air up to 0.1% H2S
● Operating pressure: up to 70KPa
● Rotation angle: up to 90°
● Internal capacity 106cm³
● Leakage rate Internal, in the closed position max. 0.7m³/h/Δp5kPa
● IP54 degree of protection in accordance with EN 60529, when using the corresponding cable entry specifications
● Operating environment Operating standard DIN EN 60721-3-3
Climatic conditions Grade 3K3
Mechanical Condition Class 3M2
Temperature range -20...+60°C
Humidity <85%r.F.
● Service life: 500000 on/off
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