HONEYWELL V4 KOMBI-F SERIES FLANGED BALANCING AND SHUT-OFF VALVES Application The hydronic balance is a significant requirement for the efficient operation of a hydronic heating or cooling installation. In an unbalanced system under or over provision of hot water to individual radiators or circuits can occur. Apart from the correct selection of radiator valves, regulation of individual circuits is also necessary and in some cases, such as DIN 18 380, VOB part C, is required by national standards. This requirement is met with V4 Kombi shutoff and balancing valves. V4 Kombi have functions shut-off, pre-setting and measuring. Features • Balancing through stroke limitation with digital pre-setting and visible pre-setting indicator • Equipped with 2 pressure test cocks for differential pressure measurement • Non rising spindle with EPDM and EPDM O-ring sealing • Pre-setting isn¡¯t altered when handwheel is turned • Regulation screw protected by protection cap • PTFE seat sealing • Valve cartridge and spindle made of cast steel • Available in dimensions up to DN400 Design • Valve body with flanges drilled to DIN • Valve insert with handwheel and pre-setting display • Pressure test cocks Materials • Valve housing made of cast iron GG25, painted blue • Valve insert made of cast steel with seat sealing made of PTFE • Pressure test cocks made of brass • Handwheel made of ductile iron, fusion bonded epoxy coated • Fairing made of plastic black Specifications Medium Water, water-glycol mixture Operating temperature -10 to 130 ¡ãC (14 to 248 ¡ãF) Operating pressure max. 16 bar (232 p.s.i.) kvs-values see table below and flow
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