Document 2RbYjgEYxw0e90O34mZwM4DQr

RELIEF VALVE DISCHARGE CALCULATION 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 SpF \fT" CKo P \[M Kv Where: A W T Z C P Ko M Kv Effective Orifice, in. = 16 in. 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) (1/612) ( lfO.82) 297,690 pounds per hour Vinyl chloride discharged in two seconds = ( 297,690 pounds) (1 hr.) (2 sec.) = hr. 3600 sec. 165 pounds iLJCLlN 11 DTH 000084839