Dimensions of Class 150 Steel Flange Valves and Fittings

Nominal Size	Inside Diam.	OD of Flange	Raised Face Diam.	Thickness of Flange		Diam. Of Bolt Circle	Diam. Of Bolt Holes	No. of Bolt	Diam. of Bolt	Facing Diam.	Pitch Diam.	Ring No.	Depth of Groove	Width of Groove	Groove Fillet Radius
	d	D	g	T		C	h			K	P		E	F	r
inch	inch	inch	inch	inch		inch	inch	inch	inch	inch	inch		inch	inch	inch
mm	mm	mm	mm	mm		mm	mm	mm	mm	mm	mm		mm	mm	mm
1/2	0.50	3.50	1.38	-	0.44	2.38	0.62	4	1/2	-	-	-	-	-	-
15	13	89	34.9	-	11.5	60.3	16			-	-		-	-	-
3/4	0.75	3.88	1.69	-	0.50	2.75	0.62	4	1/2	-	-	-	-	-	-
20	19	98	42.9	-	13.0	69.9	16			-	-		-	-	-
1	1.00	4.25	2.00	0.44	0.56	3.12	0.62	4	1/2	2.5	1.875	R15	0.25	0.344	0.03
25	25	108	50.8	11.3	14.5	79.4	16			63.5	47.63		6.35	8.74	0.8
1 1/4	1.25	4.62	2.50	0.5	0.62	3.50	0.62	4	1/2	2.88	2.25	R17	0.25	0.344	0.03
32	32	117	63.5	13	16	88.9	16			73	57.15		6.35	8.74	0.8
1 1/2	1.50	5.00	2.88	0.56	0.69	3.88	0.62	4	1/2	3.25	2.562	R19	0.25	0.344	0.03
40	38	127	73.0	14.5	17.5	98.4	16			82.5	65.09		6.35	8.74	0.8
2	2.00	6.00	3.62	0.62	0.75	4.75	0.75	4	5/8	4.00	3.25	R22	0.25	0.344	0.03
50	51	152	92.1	16	19.5	120.6	20			102	82.65		6.35	8.74	0.8
2.5	2.50	7.00	4.12	0.69	0.88	5.50	0.75	4	5/8	4.75	4	R25	0.25	0.344	0.03
65	64	178	104.8	17.5	22.5	139.7	20			121	101.6		6.35	8.74	0.8
3	3.00	7.50	5.00	0.75	0.94	6.00	0.75	4	5/8	5.25	4.5	R29	0.25	0.344	0.03
80	76	191	127	19.5	24	152.4	20			133	144.3		6.35	8.74	0.8
3 1/2	3.50	8.50	5.50	0.81	0.94	7.00	0.75	8	5/8	6.06	5.188	R33	0.25	0.344	0.03
90	89	216	139.7	20.5	24	177.8	20			154	161.76		6.35	8.74	0.8
4	4.00	9.00	6.19	0.94		7.50	0.75	8	5/8	6.75	5.875	R36	0.25	0.344	0.03
100	102	229	157.2	24		190.5	20			171	149.23		6.35	8.74	0.8
5	5.00	10.00	7.31	0.94		8.50	0.88	8	3/4	7.62	6.750	R40	0.25	0.344	0.03
125	127	254	185.7	24		215.9	23			194	171.45		6.35	8.74	0.8
6	6.00	11.00	8.50	1.00		9.50	0.88	8	3/4	8.62	7.625	R43	0.25	0.344	0.03
150	152	279	215.9	25.5		241.3	23			219	193.68		6.35	8.74	0.8
8	8.00	13.50	10.62	1.12		11.75	0.88	8	3/4	10.75	9.750	R48	0.25	0.334	0.03
200	203	343	269.9	29		298.4	23			273	247.65		6.35	8.74	0.8
10	10.00	16.00	12.75	1.19		14.25	1.00	12	7/8	13.00	12.000	R52	0.25	0.334	0.03
250	254	406	323.8	30.5		361.9	26			330	304.8		6.35	8.74	0.8
12	12.00	19.00	15.00	1.25		17.00	1.00	12	7/8	16.00	15.000	R56	0.25	0.334	0.03
300	305	483	381	32		431.8	26			406	381		6.35	8.74	0.8
14	13.25	21.00	16.25	1.38		18.75	1.12	12	1	16.75	15.625	R59	0.25	0.334	0.03
350	337	535	412.8	35		476.2	29			425	396.88		6.35	8.74	0.8
16	15.25	23.50	18.50	1.44		21.25	1.12	16	1	19.00	17.875	R64	0.25	0.334	0.03
400	387	595	469.9	37		539.7	29			483	454.03		6.35	8.74	0.8
18	17.25	25.00	21.00	1.56		22.75	1.25	16	1 1/8	21.50	20.375	R68	0.25	0.334	0.03
450	438	635	533.4	40		577.8	32			546	517.53		6.35	8.74	0.8
20	19.25	27.50	23.00	1.69		25.00	1.25	20	1 1/8	23.50	22.000	R72	0.25	0.334	0.03
500	489	700	584.2	43		635	32			597	558.8		6.35	8.74	0.8
24	23.25	32.00	27.25	1.88		29.50	1.38	20	1 1/4	28.00	26.500	R76	0.25	0.334	0.03
600	591	815	692.2	48		749.3	35			711	673.1		6.35	8.74	0.8