ASME B16.5 Class 1500 Socket Welding Flange

Technical Drawing

Dimensions of 1500# SW Flanges

NPS	D	G	X	K
1/2	120	34.9	38	82.6
3/4	130	42.9	44	88.9
1	150	50.8	52	101.6
1-1/4	160	63.5	64	111.1
1-1/2	180	73.0	70	123.8
2	215	92.1	105	165.1
2-1/2	245	104.8	124	190.5

*D: outside diameter of flange; G: outside diameter of raised face; X: diameter of hub at base; K: diameter of bolt circle; For all  socket welding flanges of class 1500, t (height of raused face)=7mm. All units are mm.

NPS	B	J	D	Y
1/2	-	22.2	10	32
3/4	-	27.7	11	35
1	-	34.5	13	41
1-1/4	-	43.2	14	41
1-1/2	-	49.5	16	44
2	-	61.9	17	57
2-1/2	-	74.6	19	64

*B: bore diameter of 1500# SW flange, to be specified by purchaser; J:bore diameter of the socket; D: depth of socket; Y: length through hub; All units are mm.

NPS	n	d	l	L	T
1/2	4	7/8	3/4	110	22.3
3/4	4	7/8	3/4	115	25.4
1	4	1	7/8	125	28.6
1-1/4	4	1	7/8	125	28.6
1-1/2	4	1-1/8	1	140	31.8
2	8	1	7/8	145	38.1
2-1/2	8	1-1/8	1	160	41.3

* n: number of bolts; d: diameter of bolt holes; l: diameter of bolts;  T: minimum thickness of flange ; L: length of stud bolts for 7 mm raised face; All units are mm except that d and l are provided in inch.

ASME B16.5 Socket Welding Flanges (Class)
150#	300#	600#	1500#

*Click to view the dimensions and weights of socket-welding flanges of each pressure rating.