Electric regulator classification and selection of key points:

on the basis of the medium is different, the body material also accordingly have different selection, common carbon steel, corrosive selected raw materials such as stainless steel 304, perhaps 316, 316 l, also can choose fluorine-butterfly regulator. Several class contrast particularly electric regulator: low temperature control valve, high temperature regulator, high voltage regulator, small flow regulating valve and so on. Single-seat regulating valve used in the operation condition of the small pressure difference contrast, once the differential comparison is big, can choose the sleeve regulator or two-seat regulator, because a two-seater regulating valve leakage quantity contrast is large, so if need contrast leakage quantity is small, is not appropriate to choose two-seater regulator. Three-way valve is used to two fluid into a shares may be fluid is divided into two road all the way. About differential pressure particularly big, easy happening cavitation or flash, can choose multilevel cage control valve, the high pressure fluid sizing step-down, to reach the purpose of safe handling. Electric of v-type regulating ball valve is suitable for the medium containing particles of sundry, such as pulp, because its trims about shear, its flow characteristic is approximate equal percentage, and adjustable ratio is more than the usual single seat, sleeve regulator, so use range has a trend of increasing. And electric adjustment butterfly valve, contrast is suitable for large diameter, high cost performance comparison. Therefore, the user shall be based on its practical need, correct selection of electric control Industrial Valves, talent reach excellent use effect.

electric regulator classification:

ZAZP type electric through single-seat regulating valve

ZAZN electric pass-through two-seater regulator

ZAZM/p electric socket regulator

ZAZQX type electric three-way merge ( Shunt) Regulator

ZAZS electric Angle regulator

ZAZS electric Angle regulator

HTNT961Y reduction of warm water regulator

ZAZT, ZAZTC type electric diaphragm valve

ZAZPF46 - 10 w electric fluorine-butterfly bellows valve

ZDLP electronic single-seat regulating valve

ZDLN type electronic two-seater regulator

ZDLM ( P) Small sleeve type electronic precision regulator

ZDZDLPM type intelligent electric regulator

ZDLQ, ZDLX electronic electric 3-way regulating valve

ZDLW electronic regulator

similar to electric regulator function: self-reliance type valve.

self-reliance type valve does not need additional energy, by adjusting the control set point temperature. When the temperature increases, the closing of the proportional valve according to temperature changes.

self-reliance type regulator consists of a control Industrial Valves and a thermostat ( Contains a temperature sensor, a set point adjustment device, a capillary tube, and a piston) Depend on the choice of different temperature, the electric actuators state application. Temperature regulator according to the principle of liquid expansion operation, if the temperature on the sensor, will make the liquid filler heat and inflation at the same time, in the work under the action of the piston, the valve closed at this time will be cooling medium. By set point, step by step, can adjust electric two-way Industrial Valves can be read on the scale. All the thermostat is equipped with a device of overtemperature protection.

electric regulating valve advantages:

in addition to the characteristics of high reliability, full function, super light, electric control valve has the following benefits:

(1) with the power supply is both convenient and save, save the building air station, a series of cost;

2 use 'pneumatic valve + electric valve positioner, air source' of the complex way, it not only increases the cost, it lead to a drop in reliability ( The more links, poor reliability factors increase) ;

(3) from the economic point of view, in addition to save the cost of the air supply station, also save the cost of electric valve positioner, a good imported electrical valve positioner, usually in 5000 ~ 6000 yuan of above, the better price in 8000 ~ 10000, and the price can be basically to buy back the highly reliable electronic actuators;

(4) link down, reducing the workload of maintenance accordingly.

key words: electric regulator classification and selection of main points, the advantages of electric control valve, self-reliance type control valve, electric socket regulator
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