ASME B16.5 Slip On Flange Class 150

Technical Drawing

Dimensions and Weights

NPS	D	G	B	X
1/2"	90	34.9	22.2	30
3/4"	100	42.9	27.7	38
1"	110	50.8	34.5	49
1-1/4"	115	63.5	43.2	59
1/1/2"	125	73.0	49.5	65
2"	150	92.1	61.9	78
2-1/2"	180	104.8	74.6	90
3"	190	127.0	90.7	108
3-1/2"	215	139.7	103.4	122
4"	230	157.2	116.1	135
5"	255	185.7	143.8	164
6"	280	215.9	170.7	192
8"	345	269.9	221.5	246
10"	405	323.8	276.2	305
12"	485	381.0	327.0	365
14"	535	412.8	359.2	400
16"	595	469.9	410.5	457
18"	635	533.4	461.8	505
20"	700	584.2	513.1	559
22"	750	641.4	564.4	610
24"	815	692.2	616.0	663

*D: outside diameter of flange; G: outside diameter of raised face; X: diameter of hub at base; B: bore diameter of 150LB S/O flange. All units are mm.

NPS	K	n	d	l
1/2"	60.3	4	5/8	1/2
3/4"	69.9	4	5/8	1/2
1"	79.4	4	5/8	1/2
1-1/4"	88.9	4	5/8	1/2
1-1/2"	98.4	4	5/8	1/2
2"	120.7	4	3/4	5/8
2-1/2"	139.7	4	3/4	5/8
3"	152.4	4	3/4	5/8
3-1/2"	177.8	8	3/4	5/8
4"	190.5	8	3/4	5/8
5"	215.9	8	7/8	3/4
6"	241.3	8	7/8	3/4
8"	298.5	8	7/8	3/4
10"	362.0	12	1	7/8
12"	431.8	12	1	7/8
14"	476.3	12	1-1/8	1
16"	539.8	16	1-1/8	1
18"	577.9	16	1-1/4	1-1/8
20"	635.0	20	1-1/4	1-1/8
22"	692.2	20	1-3/8	1-1/4
24"	749.3	20	1-3/8	1-1/4

*K: diameter of bolt circle; n: number of bolts; d: diameter of bolt holes; l: diameter of bolts;  All units are mm except that d and l are provided in inch.

NPS	Y	T	L	Mass
1/2"	14	11.2	55	0.39
3/4"	14	12.7	65	0.56
1"	16	14.3	65	0.78
1-1/4"	19	15.9	70	1.03
1-1/2"	21	17.5	70	1.32
2"	24	19.1	85	2.06
2-1/2"	27	22.3	90	3.28
3"	29	23.9	90	3.85
3-1/2"	30	23.9	90	4.81
4"	32	23.9	90	5.30
5"	35	23.9	95	6.07
6"	38	25.4	100	7.45
8"	43	28.6	110	12.1
10"	48	30.2	115	16.5
12"	54	31.8	120	26.2
14"	56	35.0	135	34.6
16"	62	36.6	135	44.8
18"	67	39.7	145	48.9
20"	71	42.9	160	61.9
22"	78	46.1	170	73.87
24"	81	47.7	170	86.9

*Y: length through hub; T: flange thickness; L: length of stud bolts for 2 mm raised face flange; The height of raised face t is 2 mm for all Class 150 S/O flanges. Mass: approximate weights/ masses of the flange; All dimensions are in mm and the weights are in kg.

ASME B16.5 SO Flanges: Dimensions & Weights
Class150	Class300	Class400
Class600	Class900	Class1500

*Click to view the dimensions and weights of slip-on flanges of each pressure rating.