Industry Standard Class 75 Slip-On Flanges

Item #	Nominal Pipe Size	Outside Diameter (O)	Thickness (T)	Raised Face Diameter (R)	Length Thru Hub (Y)	Base of Hub Diameter (X)	Bore (B)	Approximate Weight	Bolt Circle (C)	Number of Holes	Diameter of Holes
26075SOIS	26	33.00 in	1.25 in	30.00 in	2.25 in	28.50 in	26.25 in	120 lb	31.00 in	32	1.00 in
28075SOIS	28	35.00 in	1.25 in	32.00 in	2.25 in	30.50 in	28.25 in	140 lb	33.00 in	36	1.00 in
30075SOIS	30	37.00 in	1.25 in	34.00 in	2.25 in	32.50 in	30.25 in	150 lb	35.00 in	36	1.00 in
32075SOIS	32	39.50 in	1.25 in	36.25 in	2.50 in	34.63 in	32.25 in	170 lb	37.38 in	40	1.13 in
34075SOIS	34	41.50 in	1.25 in	38.25 in	2.50 in	36.63 in	34.25 in	180 lb	39.38 in	40	1.13 in
36075SOIS	36	43.50 in	1.25 in	40.25 in	2.50 in	38.63 in	36.25 in	190 lb	41.38 in	44	1.13 in
42075SOIS	42	50.00 in	1.25 in	46.50 in	2.75 in	44.75 in	42.25 in	235 lb	47.75 in	48	1.25 in
48075SOIS	48	56.00 in	1.25 in	52.50 in	2.88 in	50.75 in	48.25 in	270 lb	53.75 in	56	1.25 in
54075SOIS	54	62.50 in	1.38 in	59.00 in	3.13 in	57.25 in	54.25 in	335 lb	60.25 in	68	1.25 in
60075SOIS	60	68.50 in	1.63 in	65.00 in	3.63 in	63.25 in	60.25 in	450 lb	66.25 in	72	1.25 in
66075SOIS	66	75.50 in	1.75 in	71.63 in	4.00 in	69.50 in	66.25 in	590 lb	73.00 in	72	1.38 in
72075SOIS	72	81.50 in	2.00 in	77.63 in	4.50 in	75.50 in	72.25 in	730 lb	79.00 in	80	1.38 in

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