RT 390 Test Stand For Control Valves Didactic Equipment Vocational Education Equipment Process Control Trainer
Design and function of control valves; determination of the Kv value Features - design and function of control valves - determination of Kv and Kvs values - software to plot valve characteristics and step responses Learning objectives/experiments - together with control valves RT 390.01 - RT 390.06 -- demonstration and functional testing of control valves -- determination of Kv and Kvs values -- plotting valve characteristics -- dynamic response of control valves: plotting step responses -- influence of supply pressure on pneumatically operated valves -- maintenance and adjustment Specification [1] investigation and testing of control valves [2] water circuit with tank, pump and connections for control valves [3] electromagnetic flow rate sensor [4] 2 pressure sensors to measure the pressure drop over the control valve [5] gate valve to adjust the flow rate [6] potentiometer to actuate electro-pneumatic valves with a current signal [7] pushbuttons to actuate motorised valves [8] manometer and pressure regulator to adjust the working pressure for electro-pneumatic valves [9] position feedback via current signal (electro-pneumatic valves) or resistance teletransmitter (motorised valves) [10] software for data acquisition via USB under Windows 10 Technical data Tank: approx. 90L Two-stage centrifugal pump - max. head: 22m - max. flow rate: 5,4m3/h Signals - DC: 4...20mA - resistance: 0...1000Ω Auxiliary power - AC: 24V - air pressure for electro-pneumatic valves : 0...6bar Measuring ranges - flow rate: 0...4500L/h - pressure: -- 2x 0...6bar (water) -- 1x 0...6bar (air) 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 1250x750x1430mm Weight: approx. 190kg
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