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 A 400 Bolt-Up Chart

ASME B16.47 Series A 400 Large Diameter Flange
(Estimating Information Only)
Pipe Size Qty. Dia. Stud Length
26 28 1 3/4 12
28 28 1 7/8 13
30 28 2 13 1/2
32 28 2 14
34 28 2 14 1/4
36 32 2 14 1/2
38 32 1 3/4 15
40 32 1 7/8 15 1/2
42 32 1 7/8 16
44 32 2 16 1/2
46 36 2 17
48 28 2 1/4 18 1/4
50 32 2 1/4 18 3/4
52 32 2 1/4 19
54 28 2 1/2 20 1/4
56 32 2 1/2 20 1/2
58 32 2 1/2 20 3/4
60 32 2 3/4 22