Retractable butterfly valve features

Features of the retractable butterfly valve The retractable butterfly valve has a small opening torque, is flexible and convenient, and saves energy; the three-dimensional eccentric structure makes the butterfly plate more tight and tight, and its sealing performance is reliable and no leakage is achieved. High pressure resistance, corrosion resistance, wear resistance, long service life, etc. The space motion trajectory of the sealing surface is idealized, the sealing pairs have no friction and no interference with each other, and the sealing material is selected properly, so that the sealing performance, corrosion resistance, high temperature resistance and wear resistance of the butterfly valve are ensured. The guarantee retractable butterfly valve is a combination of the retractor and the butterfly valve. Under normal circumstances, the manufacturer completes the assembly and does not require the re-assembly of the contractor. If purely telescopic joint and butterfly valve are connected, there should be the following situations: 1. When the butterfly valve or clip butterfly valve and telescopic joint are connected in the middle line, any one of the front and rear sides can be installed, but the diameter of the telescopic section must be larger than that of the butterfly valve. The caliber, otherwise it will appear that the butterfly valve cannot be fully opened. 2. If the eccentric butterfly valve is connected to the expansion joint, it is recommended to connect the side of the expansion joint with the larger side of the eccentric butterfly valve plate to prevent the butterfly valve from opening completely. Retractable Butterfly Valve Use The retractable butterfly valve has the function of automatically compensating the expansion and contraction of the pipe for easy loading and unloading. It is used on petroleum, chemical, electric power, papermaking, water supply and drainage and municipal construction and other industrial pipelines whose temperature is below 425°C and nominal pressure is below 1.6MPa. Excellent device for adjusting flow and loading fluid