Industry Standard Slip-On and Blind – Class 175

NPS		Outside diam. of Flange	Diam. of Hub at Base	Outside Diam. of Flange	Diam. of Hub at Base	Thick-ness of Flange			Y	R	Diam. of Bolt Circle
						SOF	BLIND
		O	X	O	X	C	C	C	Y	R
		I.D VESS.		O.D. VESS.			I.D. VESS.	O.D. VESS.			I.D. VESS.
26	in.	32	28.25	31.5	27.62	1.38	1.81	1.88	2.75	29	30.5
	mm	812.8	717.5	800.1	701.5	35.1	46	47.8	69.8	736.6	774.7
28	in.	34	30.25	33.5	29.62	1.38	1.94	2	2.75	31	32.5
	mm	863.6	768.3	850.9	752.3	35.1	49.3	50.8	69.8	787.4	825.5
30	in.	36.5	32.75	35.75	31.88	1.38	2.12	2.12	2.75	32.25	35
	mm	927.1	831.8	908	809.8	35.1	53.8	53.8	69.8	844.5	889
32	in.	38.5	34.75	37.75	33.88	1.38	2.25	2.25	2.75	35.25	37
	mm	977.9	882.6	958.8	860.6	35.1	57.1	57.1	69.8	895.3	939.8
34	in.	41	36.75	40.25	35.88	1.75	2.38	2.38	3.38	37.38	39.25
	mm	1041.4	933.4	1022.3	911.4	44.4	60.5	60.5	85.9	949.5	996.9
36	in.	43	38.75	42.25	37.88	1.75	2.5	2.5	3.38	39.38	41.25
	mm	1092.2	984.3	1073.1	962.2	44.4	63.5	63.5	85.9	1000.3	1047.8
38	in.	45.25	41	44.25	39.88	2	2.62	2.62	3.75	41.38	43.5
	mm	1149.3	1041.4	1124	1013	50.8	66.5	66.5	95.3	1051.1	1104.9
40	in.	47.25	43	46.25	41.88	2	2.75	2.75	4	43.38	45.5
	mm	1200.1	1092.2	1174.8	1063.8	50.8	69.8	69.8	101.6	1101.9	1155.7
42	in.	49.75	45	49	44.12	2.38	2.88	2.88	4.38	45.75	47.75
	mm	1263.6	1143	1244.6	1120.6	60.5	73.2	73.2	111.3	1162.1	1212.8
44	in.	51.75	47	51	46.12	2.38	3	3	4.38	47.75	49.75
	mm	1314.4	1193.8	1295.4	1171.4	60.5	76.2	76.2	111.3	1212.8	1263.6
46	in.	54	49.25	53	48.12	2.38	3.12	3.12	4.62	49.75	52
	mm	1371.6	1250.9	1346.2	1222.2	60.5	79.2	79.2	117.3	1263.6	1320.8
48	in.	56	51.25	55	50.12	2.62	3.25	3.38	4.88	51.75	54
	mm	1422.4	1301.8	1397	1273	66.5	82.5	85.9	124	1314.4	1371.6
50	in.	58.25	53.5	57	52.12	2.62	3.38	3.38	4.88	53.75	56.5
	mm	1479.6	1358.9	1447.8	1323.8	66.5	85.9	85.9	124	1365.3	1435.1
52	in.	60.75	55.5	59.5	54.25	3	3.5	3.62	5.38	56	58.5
	mm	1543.1	1409.7	1511.3	1377.9	76.2	88.9	91.9	136.7	1422.4	1485.9
54	in.	63	57.75	61.5	56.25	3	3.62	3.62	5.38	58	60.75
	mm	1600.2	1466.8	1562.1	1428.8	76.2	91.9	91.9	136.7	1473.2	1543.1
60	in.	69	63.75	67.5	62.25	3.12	4	4	5.88	64	66.75
	mm	1752.6	1619.3	1714.5	1581.1	79.2	101.6	101.6	149.4	1625.6	1695.4
66	in.	75	69.75	73.5	68.5	4	4.38	4.38	6.88	70	72.75
	mm	1905	1771.6	1866.9	1739.9	101.6	111.3	111.3	174.8	1778	1847.8
72	in.	81	75.75	80	74.5	5	5	5	8	76.5	78.75
	mm	2057.4	1924.1	2032	1892.3	127	127	127	203.2	1943.1	2000.3