GASW,CL900-1500,316,GPH,DN40 Gaskets, Spiral wound Design spec ASME B16.20 Design spec, flange(s) ASME B16.5 BS 1560 SECTION 3.1 Temperature range MINUS 200 TO PLUS 450 deg C Pressure designation ASME CL 900/1500 Thickness, gasket 4.5 mm Thickness, inner ring 3.2 mm Thickness, centring ring 3.2 mm Mat, windings STAINLESS STEEL 316 STAINLESS STEEL 316L Mat, filler EXFOLIATED EXPANDED GRAPHITE Mat, inner ring STAINLESS STEEL 316 STAINLESS STEEL 316L Mat, centring ring CARBON STEEL Mat spec, windings ASTM A240 TYPE 316 ASTM A240 TYPE 316L Mat spec, inner ring ASTM A240 TYPE 316 ASTM A240 TYPE 316L Mat spec, centring ring ASTM A285 GRADE C ASTM A29 GRADE 1006 ASTM A29 GRADE 1008 ASTM A516 GRADE 60 EN 10025 S275JR EN 10028 P235GH EN 10130 DC01 Mandatory requirements MESC SPE 85/103 2019 MESC SPE 85/203 2018 Inspection, certif EN 10204 -2.1 ISO 10474 -2.1 Caps code GKSW SS15 Size, pipe, nominal DN 40 MESC code 8541362121 VENDOR DOCUMENT REQUIREMENTS: B07 Certificate of Compliance K09 Material Test Certificates