... North Dalian BF-14A Cold Filter Plugging Point Tester for Petroleum Products(Petroleum diesel d2) BF-14A ... . 4.Structural characteristicsBF-14A cold filter plugging point tester is mainly determined by the measurement equipment,refrigeration systems ... , pipette, cold bath, and digital temperature controller.Refrigeration system is composed of the compressor, condenser, evaporation condenser, evaporator ...