... leakage 2.Automatic cold air exhaust mechanism without air lock 3.api ce With GS,CE certificate Non-toxic,environmental- ... Other actuators available valve typeSteam trapas per pass way typeSteam type, Ball float, Free-ball float steam, Bellows seal steamDesign & Manufacture standardsAPI6D, ASME B16. ... ,CF8,CF3M,CF8M,304,316,314L,316L, 2.Assemble 3.Disc/PLUG2CR13,304,304L,316,316L+STL SEAT2CR13,304,304L ...