ASME B16.5 Slip On Flange Class 900

Technical Drawing

Dimensions and Weights

NPS	D	G	B	X
1/2"	120	34.9	22.2	38
3/4"	130	42.9	27.7	44
1"	150	50.8	34.5	52
1-1/4"	160	63.5	43.2	64
1-1/2"	180	73.0	49.5	70
2"	215	92.1	61.9	105
2-1/2"	245	104.8	74.6	124
3"	240	127.0	90.7	127
4"	290	157.2	116.1	159
5"	350	185.7	143.8	190
6"	380	215.9	170.7	235
8"	470	269.9	221.5	298
10"	545	323.8	276.2	368
12"	610	381.0	327.0	419
14"	640	412.8	359.2	451
16"	705	469.9	410.5	508
18"	785	533.4	461.8	565
20"	855	584.2	513.1	622
24"	1040	692.2	616.0	749

*D: outside diameter of flange; G: outside diameter of raised face; X: diameter of hub at base; B: bore diameter of 900LB S/O flange. All units are mm.

NPS	K	n	d	l
1/2"	82.6	4	7/8	3/4
3/4"	88.9	4	7/8	3/4
1"	101.6	4	1	7/8
1-1/4"	111.1	4	1	7/8
1-1/2"	123.8	4	1-1/8	1
2"	165.1	8	1	7/8
2-1/2"	190.5	8	1-1/8	1
3"	190.5	8	1	7/8
4"	235.0	8	1-1/4	1-1/8
5"	279.4	8	1-3/8	1-1/4
6"	317.5	12	1-1/4	1-1/8
8"	393.7	12	1-1/2	1-3/8
10"	469.9	16	1-1/2	1-3/8
12"	533.4	20	1-1/2	1-3/8
14"	558.8	20	1-5/8	1-1/2
16"	616.0	20	1-3/4	1-5/8
18"	685.8	20	2	1-7/8
20"	749.3	20	2-1/8	2
24"	901.7	20	2-5/8	2-1/2

*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"	32	22.3	110	1.74
3/4"	35	25.4	115	2.34
1"	41	28.6	125	3.44
1-1/4"	41	28.6	125	3.91
1-1/2"	44	31.8	140	5.36
2"	57	38.1	145	9.85
2-1/2"	64	41.3	160	13.7
3"	54	38.1	145	11.6
4"	70	44.5	170	19.7
5"	79	50.8	190	31.9
6"	86	55.6	190	41.1
8"	102	63.5	220	70.7
10"	108	69.9	235	101
12"	117	79.4	255	133
14"	130	85.8	275	153
16"	133	88.9	285	185
18"	152	101.6	325	258
20"	159	108.0	350	317
24"	203	139.7	440	606

*Y: length through hub; T: flange thickness; L: length of stud bolts for 7 mm raised face flange; The height of raised face t is 7 mm for all class 900 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.