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TechnotePage 5 of 13Frese S- dynamic balancing valveTechnical dataHousing:DP controller:Flow setting:Spring:Diaghragm:O-rings:Pressure class:Max. differential pressure:Temperature range:Frese SDZR, BrassPPS 40% glassPPOStainless steelHNBREPDMPN25 (without isolation valve)PN16 (with isolation valve)400 kPa (High pressure)250 kPa (Low pressure)-10 0 C to + 120 0 CFrese S with isolation valveH2L24Text for technical SpecificationsFrese SDimension DN15 DN20 DN25 DN32 DN40 DN50Flow rateHP 0.011 - 0.306 0.018 - 0.512 0.025 - 0.653 0.060 - 1.328 0.049 - 2.067 0.122 - 2.868l/sLP 0.007 - 0.223 0.011 - 0.351 0.017 - 0.462HP 40 - 1100 66 - 1850 89 - 2350 217 - 4800 175 - 7450 440 - 10350l/hLP 25 - 804 41 - 1265 61 - 1663HP 0.18 - 4.85 0.29 - 8.11 0.39 - 10.35 0.96 - 21.04 0.77 - 32.76 1.94 - 45.46gpmLP 0.11 - 3.54 0.18 - 5.57 0.27 - 7.32Dimension mm L 96 97 103 132 144 155L1 167 173 202 235 257 286H 148 151 155 188 206 219H1 96 98 102 115 119 126L2 75 82 95 100 108 127H2 95 103 111 135 145 164KVs HP 2.4/LP 2.2 HP 3.6/LP 3.3 HP 4.4/LP 4.1 8.8 13.2 16.7UK Frese S APR 09The valve should be a automatic balancing valve with the option of setting the flow withoutinterference of operation.The valve should include P/T plugs for the verification of differential pressure.The valve should only be adjustable by means of a lockable handle.www.frese.eu