Design Features : Design and Manufacturing : API 600 / ISO 10434 (2” ≤ 24”) BS 1414 / ASME B 16.34 (For NPS ≥ 24) & API 602 / ISO 15761 (For NPS < 2) Inspection and Testing : API 598, BSEN 12266 Part – 1 & 2 MSS – SP – 61 End Flanges Dimension : ASME B 16.5 (For NPS ≤ 24”), ASME B 16.47 Series A & B (For NPS ≥ 24), MSS SP – 44 ( For ≥ 24) BW End Dimension : ASME B 16.25 Face to Face & End to End Dimension : ASME B 16.10, BS 2080 Gasket Design : ASME 16.20 Wedge Design : Solid Wedge for NPS < 2" & Flexible for 2” ≥ NPS