API Flange Selector
Spec Size Max Ser Press Rate Standard Ring Number Pressure Energized Ring Number API Gate Valve Length OD
         
OD RF OD Groove P.D. ID Groove Groove Width Groove Depth Bore
         
Max RF Height Min. Thickness Dia at base of Hub Radius Diameter Length (add amount of RF) Hex Nut Across Flats
         
Diameter Length Num of Holes BH Size Bolt Circle
       
 
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