BNS633B9 BNS633B9Flange Diameter 4Schedule / Gauge 3-1/2" SCH 10Wall Thickness 0.12Body Diameter 3.76
BNS645B9 BNS645B9Flange Diameter 4Schedule / Gauge 3-1/2" SCH 40Wall Thickness 0.226Body Diameter 3.548
BNS649B9 BNS649B9Flange Diameter 4Schedule / Gauge 3-1/2" SCH 80Wall Thickness 0.318Body Diameter 3.364