Flow quantity regulator for intravenous infusion system, has 2 regulator units providing 2-stage flow quantity regulation for increased accuracy

摘要

The flow quantity regulator (11) has a regulator unit (8) having a regulator housing (1) with a flow opening (2) containing a regulating core (3) fitted with an elastomer throttle ring (4), a second similar regulator unit (9) incorporated in a central opening (10) in the regulating core of the first regulator unit.