Document jBoLLg65kZym064002EYR5M3Z

RELIEF VALVE DISCHARGE CALCULATION TAP Reactor D-744 11:40 P.M. - April 14, 1982 From: Teledyne Farris Catalog No. FE-80-1000 page 3.01, Safety Relief Valve Sizing A = W sfiT j/T~ CKo P \JM Kv Where: A W T Z C P Ko M Kv Effective Orifice, in. 2 = 16 in. 2 Relieving Rate, pounds per hour Inlet Temperature, R = 612R Compressability Factor = 0.82 Jiozzle Gas Constant = 326 Relieving Pressure, psia = 169.7 psia Coefficient of Discharge = 0.953 Molecular Weight of Discharge = 62.5 Backpressure Sizing Factor = 1.0 Then W W (16.0) (326) (0.953) (169.7) ( \/62.5) (1.0) 0^12) ( *Yo.82) 297,690 pounds per hour Vinyl chloride discharged in two seconds = ( 297,690 pounds) (1 hr.) (2 sec.) = hr. 3600 sec. 165 pounds DTH 000084849