Inquiry (采购产品): Valve I am looking for a 2" full port valve with a cv value around 450 to be used in a cryogenic (-300F) environment. Will the valve 42K57 do the job? IF not, can you recommend something. Thank you **** Hidden Message ***** Rusty Morris 93065 USA Company: Boeing Phone: 818-466-8041 E-mail: raymond.e.morris@boeing.com **** Hidden Message ***** raymond.e.morris@boeing.com