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Tender For supply of 300067498 , 310022341 , 300089748 , 300023095 , 310022365 , 310022364 , 300120574 , 300152952 , 300152953 , 300152954 check valve swing type, size: 6" 150#, raised face flanged ends, material: body sa216 gr. wcb, seat sa 105 and 13% cr faced, disc sa216 gr. wcb and 13 % cr faced, hinge pin 13% cr, body to bonnet connection bolted, face to face dimension as per asme b16.10, flanges and drilling as per asme b16.5, valve testing as per api598., gate valve,rising stem,flexible disc,material:body astm a216wcb,disc a 216 wcb with 13% chrome facing, size 8",#150,end connection:flanged ised face as per ansi b16.5.design standard:api 600,inspection & testi ng as per api 598., gate valve with bolted bonnet, outside screw & yoke; size: 6" nb x 150#; ends: flanged (raised face serrated) moc: (1) body & bonnet: astm a 216 gr wcb, (2) stem: astm a182 gr. f6a, (3) seat ring: astm a 105 + hardfaced with stellite #6 (api trim #5), (4) disc / wedge : astm a 216 gr wcb + hardfaced 13% cr steel (api trim #5), (5) bonnet gasket: spirally-wound ss 304 with graphite filler, (6) yoke sleeve: astm a439 type d2 (7) gland & gland bush: astm a 105. (8) stem packing: graphite with braided end rings, (9) back seat: hardfaced 13% cr steel (api trim #5), (10) bonnet bolts & nuts: astm a 193 gr b7 & astm a 194 gr 2h, (11) gland bolts / eye bolts & nuts: astm a 193 gr b7 & astm a 194 gr 2h; (12) hand wheel : ductile iron. compliance standards: design standard: api 600; face to face dimensions: as per ansi b16.10; flange drilling:as per ansi b 16.5; pressure & temperature rating