Socket Weld Flange Class 150

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socket weld flange class 150

Socket weld flange class 150 is referred to as (SW flange), the basic shape of socket weld flanges is similar with flat welding flange, that is, open a section of hole in the inside of flange, insert the pipe into the hole and welded them, in the back of the flange welding a circle of welds, due to there is gap between socket weld flange and trough, it's easy to produce corrosion, if the inside welded a seam can avoid this corrosion. The fatigue strength of the socket flange welded on both sides is 5% and the static strength is the same as that of the flat welding flange. When using this socket flange, the inner diameter of the pipe must be the same as that of the tube. The socket flange is only suitable for pipes with a nominal diameter of 150 or less.

ANSI, ASME, ASA B16.5 300lb/sq.in. SOCKET WELD FLANGE RF
Nominal Size		Outside Diam.	Thick. of Flange	Diam. of Raised Face	Diam of Hub at Base	Length Thru Hub	Diam. of Bore	Depth of Socket	No. of Holes	Diam. of Holes	Diam. of Bolts	Diam. of Bolt Circle	Approx. Weight Pounds Kg
Nominal Size		O	C	R	X	Y	B	D	No. of Holes	Diam. of Holes	Diam. of Bolts	Diam. of Bolt Circle	Approx. Weight Pounds Kg
1/2"	in.	3.75	0.56	1.38	1.5	0.88	0.88	0.38	4	0.62	1/2	2.62	2
1/2"	mm.	95.3	14.2	35.1	38.1	22.4	22.4	9.7	4	15.7	12.7	66.5	1
3/4"	in.	4.62	0.62	1.69	1.88	1	1.09	0.44	4	0.75	5/8	3.25	3
3/4"	mm.	117.3	15.7	42.9	47.8	25.4	27.7	11.2	4	19.1	15.9	82.6	1
1"	in.	4.88	0.69	2	2.12	1.06	1.36	0.5	4	0.75	5/8	3.5	3
1"	mm.	124	17.5	50.8	53.8	26.9	34.5	12.7	4	19.1	15.9	88.9	1
1 1/4"	in.	5.25	0.75	2.5	2.5	1.06	1.7	0.56	4	0.75	5/8	3.88	4
1 1/4"	mm.	133.4	19.1	63.5	63.5	26.9	43.2	14.2	4	19.1	15.9	98.6	2
1 1/2"	in.	6.12	0.81	2.88	2.75	1.19	1.95	0.62	4	0.88	3/4	4.5	6
1 1/2"	mm.	155.4	20.6	73.2	69.9	30.2	49.5	15.7	4	22.4	19.1	114.3	3
2"	in.	6.5	0.88	3.62	3.31	1.31	2.44	0.69	8	0.75	5/8	5	7
2"	mm.	165.1	22.4	91.9	84.1	33.3	62	17.5	8	19.1	15.9	127	3
2 1/2"	in.	7.5	1	4.12	3.94	1.5	2.94	0.75	8	0.88	3/4	5.88	10
2 1/2"	mm.	190.5	25.4	104.6	100.1	38.1	74.7	19.1	8	22.4	19.1	149.4	5
3"	in.	8.25	1.12	5	4.62	1.69	3.57	0.81	8	0.88	3/4	6.62	13
3"	mm.	209.6	28.4	127	117.3	42.9	90.7	20.6	8	22.4	19.1	168.1	6
3 1/2"	in.	9	1.19	5.5	5.25	1.75	4.07		8	0.88	3/4	7.25	17
3 1/2"	mm.	228.6	30.2	139.7	133.4	44.5	103.4		8	22.4	19.1	184.2	8
4"	in.	10	1.25	6.19	5.75	1.88	4.57		8	0.88	3/4	7.88	22
4"	mm.	254	31.8	157.2	146.1	47.8	116.1		8	22.4	19.1	200.2	10
5"	in.	11	1.38	7.31	7	2	5.66		8	0.88	3/4	9.25	28
5"	mm.	279.4	35.1	185.7	177.8	50.8	143.8		8	22.4	19.1	235	13
6"	in.	12.5	1.44	8.5	8.12	2.06	6.72		12	0.88	3/4	10.62	39
6"	mm.	317.5	36.6	215.9	206.2	52.3	170.7		12	22.4	19.1	269.7	18
8"	in.	15	1.62	10.62	10.25	2.44	8.72		12	1	7/8	13	58
8"	mm.	381	41.1	269.7	260.4	62	221.5		12	25.4	22.2	330.2	26
10"	in.	17.5	1.88	12.75	12.62	2.62	10.88		16	1.12	1	15.25	81
10"	mm.	444.5	47.8	323.9	320.5	66.5	276.4		16	28.4	25.4	387.4	37
12"	in.	20.5	2	15	14.75	2.88	12.88		16	1.25	1 1/8	17.75	115
12"	mm.	520.7	50.8	381	374.7	73.2	327.2		16	31.8	28.6	450.9	52
14"	in.	23	2.12	16.25	16.75	3	14.14		20	1.25	1 1/8	20.25	165
14"	mm.	584.2	53.8	412.8	425.5	76.2	359.2		20	31.8	28.6	514.4	75
16"	in.	25.5	2.25	18.5	19	3.25	16.16		20	1.38	1 1/4	22.5	190
16"	mm.	647.7	57.2	469.9	482.6	82.6	410.5		20	35.1	31.8	571.5	86
18"	in.	28	2.38	21	21	3.5	18.18		24	1.38	1 1/4	24.75	250
18"	mm.	711.2	60.5	533.4	533.4	88.9	461.8		24	35.1	31.8	628.7	113
20"	in.	30.5	2.5	23	23.12	3.75	20.2		24	1.38	1 1/4	27	315
20"	mm.	774.7	63.5	584.2	587.2	95.3	513.1		24	35.1	31.8	685.8	143
24"	in.	36	2.75	27.25	27.62	4.19	24.25		24	1.62	1 1/2	32	475
24"	mm.	914.4	69.9	692.2	701.5	106.4	616		24	41.1	38.1	812.8	215