These are mostly used as manual exit valves for silos with cement, gypsum, building chemicals and similar bulk solids.
BV2FF model:
Double flange, upper flange square, lower flange round
BV1FF model:
Single flange, upper flange square, lower without flange for sleeve connection
BV2FC model:
Desgined as single piece body and round flange for both sides.
BVFF and BVFC type butterfly valves are available in 250mm and 300mm diameter.
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