Maintenance of heat exchanger, plate heat exchangers, tube heat exchanger, heat exchanger unit

Heat exchanger unit equipment (1 pair pattern turbulent vortex tube heat exchanger heat exchanger 2 3 4 volume of the floating coil heat exchanger. Floating and U-type) 
 Unit has two series: water - water heat exchanger, steam - water heat exchanger. 
 Unit composition: 
 Expansion of a tank, a heat exchanger, a temperature controller, circulating pump two sets, make up a pump, a filter, electronic water one, a cabinet, complete valve instrument the chassis. 
 Description: 
 1, heat exchanger, there are three structural forms, user-selectable. Plate heat exchanger, double pipe heat exchanger lines, floating coil heat exchanger. 
 2, the pump is vertical, water pumps manufacturer of user-determined. 
 3, domestic and imported thermostat has two types of user-defined. 
 4, demineralized water plant is not within the unit, the user if required, sold separately.