Electric Flow Control Valve 1.adopts pressure balanced structure 2.equipped with ... ring Electric Control ValveTrim,temperature range & allowable leakage of seat Flow characteristicsEqual percentage, LinearTrim material304, 316, 316L, Hastelloy B-2, Hastelloy ... Body DN40, 50, 65, 80, 100, 125, 150, 200mmPNANSI125, 150, 300, 600 PN1.6, 4.0, 6.4MPaConnectionFlange typeFF, RF, RJ ...