ASME B16.47 Series B/API 605 Class 150 BL

Pipe flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system. It also provides easy access for cleaning, inspection or modification.

Norminal Pipe Size	O.D.of Flange, O	Min.Thick-ness of BL Flange, tf	Raised Fase Diam., R	Diam of Bolt Circle	No.of Bolt Holes	Diam.of Bolt Hole	Approxi-mate Weight kgs
26	785	43.0	711	744.5	36	22.2	165.01
28	835	46.2	762	795.3	40	22.2	200.28
30	885	49.3	813	846.1	44	22.2	239.79
32	940	52.5	864	900.1	48	22.2	287.75
34	1005	55.7	921	957.3	40	25.4	348.71
36	1055	57.3	972	1009.6	44	25.4	395.12
38	1125	62.0	1022	1070.0	40	28.6	484.55
40	1175	65.2	1080	1120.8	44	28.6	555.34
42	1225	66.8	1130	1171.6	48	28.6	618.09
44	1275	70.0	1181	1222.4	52	28.6	700.98
46	1340	73.1	1235	1248.3	40	31.8	810.50
48	1390	76.3	1289	1335.1	44	31.8	909.20
50	1445	79.5	1340	1385.9	4	31.8	1044.39
52	1495	82.7	1391	1436.7	52	31.8	1137.57
54	1550	85.8	1441	1492.2	56	31.8	1267.59
56	1600	89.0	1492	1543.0	60	31.8	1400.03
58	1675	91.9	1543	1611.3	48	34.9	1587.04
60	1725	95.4	1600	1662.1	52	34.9	1745.76