Solenoid valve products with performance on the four properties (b)

4.2 voltage specifications preferred to use as much as possible AC220V, DC24V.



4.3 supply voltage fluctuations in the exchange of choice is usually +10%, -15%, DC ±% 10 or so to allow, if ultra-poor, measures to be taken by regulators or special order requests.



4.4 power supply capacity should be based on choice of rated current and power consumption. Bearing in mind that start-up when the exchange value of the higher VA, in the capacity should be directed preferred solenoid valve indirectly.



5, the control accuracy



5.1 Only ordinary solenoid valve opened two customs location, in the control of high precision requirements and parameters at a steady number of solenoid valves; Z3CF three normally open solenoid valve, with Enlight, wide-open and closed three flow; ZDF -Z1 / 1 multi-function solenoid valve combination with wide-open, open, small open, wide-open four flow.



5.2 Movement Time: refers to signal or cut off access to the main valve action completion time, and only patented product of multi-function solenoid valve can be opened and closed, respectively, regulate the time, not only to meet the requirements of control precision, but also to prevent water hammer damage.



5.3 sample leakage leakage given the economic value of commonly used grade, if too high, please make a special order.



Third, the reliability of:



1, working life, this pilot project is not included in the factory, belonging to the type of pilot projects. In order to ensure the quality of the formal election of the brand manufacturers.



2, the working standard: sub-system of long-term, repeated short-term and short-term work of three working. Conventional products are long-term work system, that is, the work coil to allow long-term electricity. For a long time to close the valve to open only a short-term situation, it should be always selected solenoid valve. Used in short-term work system and a large bulk, they can make a special order to reduce power consumption.



3, operating frequency: high frequency movements, the structure should be preferred direct acting solenoid valve, preferred to listen to the exchange of power.



4, the reliability of strict action is not formally included in the pilot solenoid valve of our professional standards, in order to ensure the quality of the formal election of the brand manufacturers. Number of occasions, some not much action, but has very high reliability requirements, such as fire protection, emergency protection, must not be taken lightly. Of particular importance, should be taken once a double insurance 2.



Fourth, the economy of:



Funding is not the economy, energy and even a waste of life it is the yardstick of choice, but must be in terms of safety, applicable and reliable on the basis of the economy, the economy is not only a product of the price, but also to give priority to their functions and quality of and installation of maintenance and other accessories required for the cost, but more importantly, a solenoid valve-controlled system in the whole control system in the entire production line as well as cost-share little, if just for the sake of cheap and small damage caused by the wrong group of early elections is huge.



In short, the economy not just the price, but the cost of products, a comprehensive cost-effective prices. ball valve check valve butterfly valve
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