VALVE, CHECK: TYPE SWING, VALVE SIZE 16 IN, DESIGN RATING 300 LB, BODY MATERIAL CS ASTM A216 GR WCB, TRIM DISC A182 F6A CL2; SEAT RING A182 F6A CL2+HFR GR.6; HINGE PIN A182 F6A CL2, CONNECTION BW, FACE TO FACE LENGTH 864 MM, SOFT GOODS GASKET SS 316 WITH GRAPHITE, STYLE BOLTED COVER, STANDARD API 600, MNFR: VALVOMETAL SPA ITALY MNFR PART NO: UNK, MNFR DRG 28156 REV: 1, MODEL/MACHINE NO: FIG.310, TEST CERTIFICATE COMMENTS: MATERIAL TEST CERTIFICATE REQUIRED