The production of electric valve
devices in my country has a history of more than 40 years. However, due to the late development of the innovative system, domestic valve electric devices have not carried out major technological innovations, and have disadvantages such as poor controllability, low measurement control accuracy, and large maintenance. There are 200 to 250,000 valve electric devices currently in use and are already in the replacement stage. And the original domestic valve electric device has reached the replacement period. The domestic valve electric device has a mechanical life of 15-25 years and a motor life of 8-10 years. In addition, there are 30,000 to 50,000 imported valve electric devices that have different problems that need to be resolved. The production of this product just made up for the technical shortcomings of the domestic valve electric device, which is at an advanced level in the domestic industry, and it also opened up a new way for the localization of imported products. It is estimated that the annual output value of the year will reach 20 million yuan, and the profit and tax will be 5 million yuan. If it is increased by 20% in the first five years, this will be a very valuable product. More than 200 new jobs can be created, and the social and economic benefits are obvious. The new valve electric device has high reliability, high control accuracy and various protection functions. It can accurately and reliably control valves, fully protect the safety of valves and valve electric devices, and meet the needs of modern control systems. The main technical indicators of the new valve electric device are as follows: 1. Local/stop/remote control; 2. It can realize multiple control methods; 3. It has the protection functions of phase sequence identification, phase loss, overheating, torque, etc.; 4. Remote Valve switch instructions; 5. Normal work 10000 times without maintenance; 6. The valve can be automatically controlled by analog voltage, current and other methods according to the proportion; 7. Frequency conversion speed regulation; 8. Can set any position of the valve; 9. Remote control and Fieldbus. Compared with the same industry abroad: 1. The product is not as well-known as foreign brand-name products; 2. The appearance and volume are not as beautiful as foreign products.
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