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Bellows valve - F-004 series
Pressure compensated bellow valves of series F-004 by Bronkhorst are direct-acting control valves with a valve module mounted inside or on a base block which may form a separate valve. Large orifices can be turned open by the bellow's pressure with a minimal magnetic force which gives easy control over large flows at very low pressure values. This property makes it superior to its predecessor type F-001.