The DBB ball valve is a valve with double shutoff, double shutoff and relief function. The valve with double shutoff and double cutoff and relief function is suitable for aviation kerosene, light oil, natural gas, liquefied gas, pipeline gas, chemical medium and other pipelines, as an ideal device to cut off the medium.
It reduce the leakage point in the system, save installation space and reduce the pressure of the pipeline system. So, this type valevs are widely used in power, petrochemical, metallurgical, marine, petroleum, natural gas, gas, pharmaceutical and other industries in the hydraulic system pipeline.