Model 521 Globe-Style, Total TFE Control Valve; 1” Size, 304 SST Shell, TFE Straight Body; 150# RF Flanges, TFE Bellows & Packing, Integral Seat, TFE Plug, Opt – “D” Hastelloy C-276 Stem, Anti-Rotation Stop & Pin; 10.0 Cv Full Trim - .875” Orifice; Equal % Inherent Characteristic; Model C27 Actuator, Reverse Action, ATO-FC, 7-28 PSIG Bench Set; I/P Intrinsically Safe Positioner Model D20 I, Direct Acting, 4-20 mA Digital With Airset And Mounting Bracket SST Tubing And Fittings; Gauge Block; No Handwheel Assembly; Standard Paint, Opt -57; Special Cleaning Per Spec #S-1589 & Special Bolting