Geneq > Teaching Equipment > Measure & Regulation

Study of an industrial regulation valve

Model EVR 100

The unit is delivered complete with instrumentation, technical documentation, and instructions. Designed and manufactured to industrial standards. This unit is designed for various levels and fields of study. The inlets and outlets can be connected by female safety plugs - Ø 4 mm Option : Utility module It is possible to connect this unit in series with another unit of the same range. The valve is used to activate the system. UTILITIES Electricity : 230 VAC – single-phase Water : 10 L/min – 3 bar (44 psi) DIMENSIONS Length : 780 mm Width : 570 mm Height : 590 mm Weight : 40 kg

Applications

Illustration of theoretical concepts such as – Definition of the flow rate coefficient of a regulation valve – Ratio between Cv and Kv Determination of the coefficient of Kv flow rate – With or without any positioner – For a linear or exponential characteristic – For various configurations of the seat/flap Graphing the characteristics of the regulation valve – Flow rate as a function of the control – Differential pressure as a function of the control – Influence of the positioner on the linearity, hysteresis

Specifications

A – Compressed air B – Water return C – Water supply Regulation valve (2) Stainless steel body CrNiMo 1,4581 Collar DN 15 Seat and flap CrNiMo (3 sets) Exponential and linear characteristics Kv = 0.1 Distance 15 mm Tools for mounting/dismounting Pneumatic servomotor (3) Diaphragm area: 120 cm² Diaphragm NBR 0,2…1 bar for distance of 15 mm Variable section flow meter (1) Accuracy ± 1.6% of the full scale Communication positioner Hart (4) Connections 1/4 NPT Control : 4-20 mA Growing/damping action sense Differential pressure sensor (5) Silicium monocrystal cell Digital resonator Accuracy : ± 0.075% 3-way Manifold Digital local display Current generator (6) 4-20 mA with selector switch and indicator 1/4-turn valve for connection in series (S)