B-F-B-ic international Ltd.co , https://www.ledgather.com
In April of this year, Shanghai Yonglong Valve Factory invented the "gas shut-off valve" and "gas valve" as two new practical and environmentally friendly products, which not only provided more practical and economical protection for the company's product development and operation as well as the protection of valve components Convenient technical support, but also shows the strength of Wing Lung valve technology and the continuous growth of intellectual property. "Gas shut-off valve, gas valve" is a practical technology invented by Zhang Gong, a retired senior engineer in the top five of Shanghai Yonglong Valve Factory. The invention of this technology provides the assembly, adjustment and protection of gas shut-off valve and gas valve High-quality technical assurance. According to Zhang Gong introduction, the combination of gas valve with stop valve, check valve, solenoid valve and pneumatic valve by the multi-spring pneumatic actuator or floating diaphragm actuator actuator and regulating valve to receive the signal conditioning instruments to control the process within the pipeline Fluid cut off, on or switching. And long-distance gas source supporting the use of gas source control valve on-off, in order to leak large pipe or tank or even fire, the rapid manual pressure relief gas source, or high temperature ≥ 75C melting fusible alloy, and Automatic pressure relief cylinder, the valve quickly closed and only leakage, play a personal safety and protection. In order to improve the deficiencies of the previous products, based on the practical, convenient, low cost, easy to process research ideas, Zhang Gong does not change the gas valve structure on the basis of the import and export direction, the use of check valve backflow closure principle , To achieve the pressure of the pipe back to close every device, to extend the practical life of the valve flap, but also makes the gate assembly easier and easier. In order to solve the problems of long time, high cost and complicated setting of gas valve debugging before the normal use of the gas valve, designers boldly improve the structure of valve components and set the limit device on the stroke control ring. During the debugging process, By rotating the stroke control ring set on the stroke control ring limit device is pressed so that the limit device to reverse increase the safety valve stem downward pressure on the valve flap to prevent the valve overpressure Accidental take-off. The structure of the locking device is simplified, the time cost and the production cost of the gas valve setting and debugging are reduced, and the operation efficiency of the unit is improved to a certain extent.