ASME B16.47 Series A/MSS SP-44 Class 300 BL

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	870	66.7	749	806.4	24	34.9	306.37
28	925	69.9	800	863.6	28	34.9	362.18
30	985	73.1	857	914.2	28	34.9	431.26
32	1060	79.4	914	977.9	28	41.3	537.39
34	1110	81.0	965	1028.7	32	41.3	600.01
36	1170	88.9	1022	1085.8	32	41.3	733.85
38	1240	85.8	1073	1149.4	32	41.3	799.33
40	1290	88.9	1124	1200.2	36	41.3	894.73
42	1345	95.3	1194	1257.3	36	41.3	1045.24
44	1405	100.1	1245	1314.4	40	41.3	1196.23
46	1455	101.6	1295	1365.2	40	41.3	1305.08
48	1510	106.4	1359	1422.4	44	41.3	1470.44
50	1570	109.6	1410	1479.6	44	47.6	1623.89
52	1625	114.3	1461	1536.7	44	47.6	1818.21
54	1685	119.1	1511	1593.8	44	47.6	2041.23
56	1745	122.3	1575	1651.0	48	47.6	2246.21
58	1805	127.0	1626	1708.2	48	47.6	2500.27
60	1855	130.2	1676	1759.0	52	47.6	2704.21