ON CALL 24 HOURS - Pasadena, TX - (713) 475-6100 Groves, TX - (409) 727-7384 Sulphur, LA - (337) 882-6887
Pasadena, TX (713) 475-6100
Groves, TX (409) 727-7384
Sulphur, LA (337) 882-6887
ON CALL 24 HOURS

ASME B16.47 Large Diameter Flange, Series B Class 400 Bolt-Up Chart

ASME B16.47 Series B 400 Large Diameter Flange
(Estimating Information Only)
Pipe Size Qty. Dia. Stud Length
26 28 1 3/8 11 1/4
28 24 1 1/2 12
30 28 1 1/2 12 1/2
32 28 1 5/8 13 1/2
34 32 1 5/8 13 3/4
36 28 1 3/4 15 1/2