product manual:
In the exploitation of oil, gas, coal and ore, refining, processing and pipeline systems; pneumatic valves in the chemical, pharmaceutical and food production species; hydropower, thermal power and nuclear power production system; urban and industrial enterprises to drainage, heating, and gas supply systems; in farmland irrigation and drainage systems; and in metallurgical production systems to a wide range of applications, pneumatic valve closed piping system in various types of species for cut off or connected media stream, the media in accordance with a predetermined program delivery to each designated point.
 
working principle:
Q647F fixed points two-stage and three-stage pneumatic valve fixed ball, also known as side mounted split ball valve, the valve body along with the valve channel cross section perpendicular to the axis of the left-right asymmetry is divided into two halves, it is mainly used in the pipeline for cutting, distribution and change media flows. It pivot structure to ensure the accurate position of the sphere. Standard seat with a spring structure, the seat into the sphere, to ensure a good low pressure sealing performance. Before the ball valve, the valve seat can be sealed, so-called bi-directional sealing characteristics, using its own drain valve body cavity can be discharged outside. Pivot using anti-blow to protect the structure, low coefficient of friction bearings. Jilong valve company has excellent performance, high reliability, versatility, and reasonable price, etc., used in chemical, petroleum, natural gas, metallurgy, and other industries and hydrogen sulfide-containing media, impurities, corrosion serious long distance gas pipe.