Patent ID: 6874752

Claim:
A regulation insert, for insertion in a valve housing in a liquid-carrying medium, comprising adjustable pre-setting for regulation and/or adjustment of liquid amounts in plants with liquid-carrying media for limiting the medium to a pre-set maximum amount, independently of a difference in pressure working across the valve, said insert comprising a tubular element ( 2 ) which, in a housing ( 3 ), is displaceable in the longitudinal direction of the regulation insert ( 1 ) and lies up against a spring element ( 8 ), so that by displacement the tubular element ( 2 ) opens or closes a number of openings ( 9 ) in the housing ( 3 ), characterized in that the pre-setting for the regulation insert comprises several rows of openings ( 4 , 5 , 28 ), where at least one row of openings ( 4 , 5 ) are disposed substantially along the circumference of the tubular element ( 2 ), and where said rows of openings ( 4 , 5 , 28 ), independently of one another, can wholly or partly block the flow.