... based on traditionalelectric single seated and cage guided control valve. The trimof valve (DN40 above) adopts pressure balanced structure,thus ... of parts BodyWCB,CF8,CF8M,Hastelloy B-2, Hastelloy C-276DiscWCB,CF8,CF8MStem310S,304,316LPackingPTFE, graphite Sealing ring CGM ... 316L Fluid temperatureNormal temp.-17-230 °cExtension1(E1)-45°c~-17°c,+230°c ~+566°cExtension2(E2)-100~ -45 °cExtension3(E3)-196 ...