Opella Delchem Filling Valve Bottom entry and side entry with adjustable arm. (Bottom entry offset with adjustable arm) Adjustable arm fits most size cisterns Arm extendible from 6” up to 9” The Delchem valve as supplied is fitted with high pressure restrictor seat as standard (white) valve is also accompanied by a low pressure restrictor seat (red) attached to float arm high pressure (white) seat is intended for use with water pressures from a minimum of 3 bars a maximum of 14 bar and the low pressure (red) seat is intended for use with water pressure of 3 bar and below.
