Design and manufacture: API600
Face-to-face dimension: 36" and smaller to ASME B16.10
40" and larger to manufacture's standard
Flanged end: 24" and smaller to ASME B16.5
26" and larger to ASME B16.47 series A
B. W. End: ASME B16.25
Shell wall thickness: 24" and smaller to API600
26" and larger to manufacture's standard
8"and smaller valves have a one-piece bonnet and yoke design
10"and larger valves have a split bonnet and yoke design.