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The BH-DV is an inline mounted flow control valve which controls the flow by adjusting the flow regime. The flow rate is therefore dependent on the pressure differential and viscosity. Starting with the throttle spindle in the fully closed position, the flow rate increases in-accordance with the appropriate curve as the control knob is turned. The flow is controlled in both directions. The scale on the lower edge of the control knob enables repeatedly. The BH-DRV is a flow control valve in the same design which also allows the same fine flow adjustment, but in one direction only. reverse flow is restricted due to built-in check valve
BH-DV
BH-DRV
up to 180 l/min