... , little axial unbalanced force, large allowable differential pressure, good stability.2.Socket duplicity is good, ... )20253240506580100125150200250300350400Rated KVLinear6.91117.627.544691101762754406301000160021562816Equal percentage6.31016254063100160250400690900144019602560Nominal Pressure(Mpa)1.6,2.5,4.0, ... sealing IV level, Soft-sealing VIFlange sizeConform with JB/79.1(2)-94,HG20592-97,GB ...