DZ41H Manual Rising Stem Extended Shaft Cryogenic Flanged Gate Valve

DZ41H extended stem cryogenic gate valve, WCB carbon steel body, flanged connection with lengthened stem. The long stem isolates the packing box from cryogenic medium, preventing cold transfer and valve stem icing & jamming to maintain stable sealing. Wedge metal hard seal with good low-temperature pressure resistance. Suitable for LNG, liquid nitrogen, liquid oxygen and other cryogenic media. Widely used in air separation equipment, LNG storage tanks, cryogenic tanks and petrochemical cryogenic pipelines for medium on-off control.