Design Features : Design and Manufacturing : ASME B 16.34 Inspection and Testing : API 598, BSEN 12266 Part – 1 & 2 End Flanges Dimension : ASME B 16.5 BW End Dimension : ASME B 16.25 Face to Face & End to End Dimension : ASME B 16.10 Wedge Design : Flexible Wedge Plug Design : Parabolic , Regulating Disc Design : Gravitational Acceleration Bonnet Design : Pressure Seal