Effect of mixing ratio on feed flow and circulating flow temperature Features - trainer on heating systems and plumbing - function of a four-way mixing valve - in conjunction with other trainers in the HL 100 series, the setup of a complete heating system is possible Learning objectives/experiments - function and operating behaviour of a four-way mixing valve - effect of the mixing ratio on feed and circulating flow temperature - effect of mixer setting on the flow rate - in conjunction with other trainers in the HL 100 series, it is possible to set up a complete heating system. Specification [1] trainer on heating systems and plumbing [2] 4-way mixing valve DN 20 [3] circulating pump [4] 4 rotameters [5] 4 bimetallic thermometers [6] 2 heating water connections DN 15 [7] 2 water connections for boiler DN 15 [8] 1 differential pressure overflow valve [9] water connections made using quick-release couplings Technical data Pump - power consumption: 60W - max. flow rate: 60L/min - max. head: 4m Four-way mixing valve - setting angle: 90° - opening time: 2min Measuring ranges - flow rate: -- 3x 150...1600L/h -- 1x 0...440L/h - temperature: 0...100°C 230V, 50Hz, 1 phase LxWxH: 1660x700x1860mm Weight: approx. 112kg
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