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Butterfly valves BVG, BVA, BVH

Butterfly valves BVG, BVA, BVH
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Butterfly valves BVG, BVGF, BVA, BVAF, BVH, BVHS, BVHM Product brochure · GB 3 Edition 01.12 • • • • • • • • • • • For gas, air, hot air and flue gas Low leakage rate and pressure loss High control accuracy BVG and BVA with reduced nominal diameters Butterfly valve can be mounted directly onto the actuator IC 20 or IC 40 Suitable for intermittent operation BVGF, BVAF work clearance-free Low-maintenance operation BVG: EC type-tested and certified BVHM: FM approved BVG: certified pursuant to GOST-TR www.kromschroeder.com

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2 · BVG, BVGF, BVA, BVAF, BVH, BVHS, BVHM · Edition 01.12 BVG for gas, BVA for air. These butterfly valves can be fitted with an adapter set with square shaft, free shaft end or manual adjustment, for instance. BVG, BVA Application The butterfly valves are designed to adjust volumes of gas, cold and hot air and flue gas on various appliances and flue gas lines. They are designed for control ratios up to 1:10, and with the mounted actuator IC 20 or IC 40 they are suitable for regulating flow rates for modulating or stage-controlled combustion processes. BVG, BVA Using the adapter set with...

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BVG, BVGF, BVA, BVAF, BVH, BVHS, BVHM · Edition 01.12 · 3 Example of applications IC 20 + BVG VAG M BVG, BVGF, lambda correction If the burner is to be operated with excess gas or air for reasons of the process operation, the butterfly valve BVG, BVGF can be used to correct the lambda value. The butterfly valve with manual adjustment is used to adjust the high-fire rate. IC 20 + BVA BVA M BVA, BVAF, adjusting the burner capacity In pneumatic systems, the butterfly valve with mounted actuator IC 20..E determines the air volume for the required burner capacity. VAG The butterfly valve with...

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4 • BVG, BVGF, BVA, BVAF, BVH, BVHS, BVHAA • Edition 01.12 Technical data BVG, BVGF: natural gas, town gas, LPG and other non-aggressive fuel gases. BVGF: biologically produced methane (max. must not contain condensate. Housing material: AISi, valve disc: aluminium, drive shaft: stainless steel, seals: HNBR. reduction by 2 nominal sizes is possible. Inlet pressure pu: max. 500 mbar (7.25 psi). Pressure differential between inlet pres- sure Pu and outlet pressure p^: max. 150 valve disc: stainless steel, drive shaft: stainless steel. Inlet pressure pu: max. 150 mbar (2.16 psi). Pressure...

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