ASME Flange
B16.5 flange dimensions, studs, and gasket sizes
Stud Bolts
8 × 5/8" × 3.75"L
Torque
60 ft-lbs
Welding Neck Flange — Cross Section
4" Class 150 Flange(285 PSI @ ambient)
Flange Dimensions
Flange OD9"
Flange Thickness0.94"
Hub Diameter5.31"
Bolt Circle7.5"
Raised Face
RF Diameter6.19"
RF Height0.06"
Bolting
Number of Bolts8
Bolt Diameter5/8"
Stud Length3.75"
Bolt Circle7.5"
Ring Gasket (Spiral Wound)
Gasket ID4.57"
Gasket OD6.19"
ASME B16.5 / B16.20 • B7 studs, lubricated (K=0.15)