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TESCOM 449-254系列 减压调压阀-
艾默生
EMERSON
TESCOM 449-254 Series high purity, high flow pressure reducing regulators are ideal for high pressure bulk specialty gas delivery systems (BSGS).The 449-254 Series offers a Cv = 1.0, surface finish of 10 Ra and is available with Hastelloy? trim. Inlet pressure is 1500 psig / 103 bar with outlet pressures up to 400 psig / 27.6 bar.
Application
? High purity bulk specialty gas delivery systems
Features and Benefits
? Exclusively designed to handle the demands of high purity bulk specialty gas delivery systems
? Its proven design, high outlet capabilities, bubbletight shutoff valve and standard Hastelloy? trim provides dependability required for demanding regulator applications
?
Meta
l-to-
meta
l sealed diaphragm
? Cv = 1.0 with 10 Ra microinch finish on wetted surfaces
? Meets SEMI F19 and SEMI Modular Interface specifications
