The application and working principle of parallel double gate valves have emerged in most industries and are a type of ceramic gate valve. Therefore, the structure and working principle of a parallel double gate valve are consistent with that of a gate valve. Its opening and closing body (valve plate) is driven by the valve stem to move up and down the sealing surface of the valve seat, which can connect or cut off the fluid channel.
When the valve is partially opened, eddy currents will occur on the back of the gate, which can easily cause erosion and vibration of the gate, damage the sealing surface of the valve seat, and make maintenance difficult. Usually suitable for working conditions where frequent opening and closing are not required, and the gate remains fully open or closed.
Parallel double gate valves are suitable for closed circuit equipment in pipelines with water and sewage as the medium, and are not allowed for flow regulation and emptying. Widely used in industries such as petroleum, chemical, pharmaceutical, and power.
Features of parallel double gate valve products:
1. This double gate valve has advanced design concepts and unparalleled characteristics compared to ordinary valves. As a hydraulic control system, the product effectively solves the leakage caused by long-term unresolved impurities that damage the lock cover.
2. In order to meet the requirements of different users, there are national standards and American standards for valves. In each system, there are universal flat valves and oilfield specific valves.
3. This double gate valve adopts a sealed structure and a special type of spring. Align the sealing pair with any position so that residual dirt (such as sediment, welding slag, etc.) can be completely scraped off and cut on the cover. Damaged and functioning properly
4. Due to the spring self sealing structure in the double gate valve, it can automatically compensate for the normal wear and tear of the valve cover. On the one hand, the sealing has a strong leakage rate, and on the other hand, it greatly improves the service life of the valve, saving costs for enterprises.
5. Double gate valves should use a wedge-shaped roller switch mechanism to gently open and close the valve. For example, the patented valve PN4.0MPADN300 can be easily opened and closed with just one person using a handwheel. Practice has shown that under the same pressure level and diameter, the opening and closing torque of patented valves is half that of ordinary valves.
6. Due to the use of a special switch mechanism in this product, it prevents the normal gate valve from warming up and causing the gate to be killed by the gate.
7. The double gate valve has an automatic sewage system at the bottom, which can always keep the valve body cavity free of debris.
8. There is a dustproof mechanism inside the valve body to ensure that the inner chamber of the double gate valve is not invaded by dirt, and the internal mechanism will not fail.
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