butterfly valve / air-fuel ratio control / for air
BVG, BVA, BVH series
Vnation JSC

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Type:
butterfly
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Function:
air-fuel ratio control
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Media:
for air
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Temperature:
Min.: -20 ?C (-4 ?F)
Max.: 450 ?C (842 ?F)
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Operating pressure:
Min.: 150 mbar (2.18 psi)
Max.: 500 mbar (7.25 psi)
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DN:
Min.: 40 mm
Max.: 150 mm
The EC type tested and certified butterfly valves establish the flow rate of gas or air on gas burners with an angle-of-rotation indicator, a regulation ratio of up to 1:10 and are equipped to attach a gear motor IC 20/IC 40.
The DN is 40 to 150 to fit between two flanges, with a maximum BVG (gas), BVA (air on gas) of 500mbar and a BVH of 150mbar for hot air to 450?C.