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Class 150 Flange Dimension Weight Chart Pressure Ratings

Class 150 Flange Dimension

Akai Metal is one of the leading manufacturer, supplier, dealer, exporter, of class 150 flanges. We manufacture class 150 flanges in different types, dimensions, and weight. Akai Metal one of the largest manufacturer supplier exporters of Stainless-steel Flanges in Mumbai, India. We offer different types of classes and standards such as ANSI / ASME B16.5 SS Flange, ANSI / ASME B16.47 Series A & Series B SS Flange, ANSI / ASME B16.48 SS Flange, ANSI / ASME BS4504 SS Flange, ANSI / ASME B10 SS Flanges, ANSI / ASME EN-1092 SS Flange, and DIN SS Flanges in Mumbai, India.

We manufacturer SS 304 Flanges, SS 309 Flanges, SS 310 Flanges, SS 316 Flanges, SS 321 Flanges, SS 904L Flanges, Class 150 SS FLanges, Class 300 SS FLanges, Class 400 SS FLanges, Class 600 SS FLanges, Class 900 SS FLanges, Class 1500 SS FLanges, Class 2500 SS FLanges. We also manufacturer ASTM Stainless steel Flanges, ANSI Stainless steel Flanges, ASME Stainless steel Flanges and many more.

Class 150 Flanges Dimensions

Normal pipe size	Outside dia. of flange	Minimum thickness of flange	Overall Length			Bolt Circle	No. and Size of Holes		O.D. of raised face
Normal pipe size	Outside dia. of flange	Minimum thickness of flange	Welding neck	Slip-on & socket welding	Lap Joint	Bolt Circle	No. and Size of Holes		O.D. of raised face
	O	Q	Y			Diam.	No.	dia.	R
1/2	89	11.2	47.6	15.9	15.9	60.5	4	15	35
3/4	117	15.9	57.2	25.4	25.4	82.5	4	15	43
1	108	14.3	55.6	17.5	17.5	79.5	4	15	51
1.1/4	117	15.9	57.2	20.6	20.6	89.0	4	15	64
1.1/2	127	17.5	61.9	22.2	22.2	98.5	4	15	73
2	152	19.1	63.5	25.4	25.4	120.5	4	19	92
2.1/2	178	22.3	69.8	28.6	28.6	139.5	4	19	105
3	190	23.9	69.8	30.2	30.2	152.5	4	19	127
3.1/2	216	23.9	71.4	31.8	31.8	178.0	8	19	140
4	229	23.9	86.2	33.3	33.3	190.5	8	19	157
5	254	23.9	88.9	36.5	36.5	216.0	8	22	186
6	279	25.4	88.9	39.7	39.7	241.5	8	22	216
8	343	28.6	101.6	44.4	44.4	298.5	8	22	270
10	406	30.2	101.6	49.2	49.2	362.0	12	25	324
12	483	31.8	114.3	55.6	55.6	432.0	12	25	381
14	533	35.0	127.0	57.2	79.4	476.0	12	29	413
16	597	36.6	127.0	63.5	87.3	539.5	16	29	470
18	635	39.7	139.7	68.3	96.8	578.0	16	32	533
20	698	42.9	144.5	73.0	103.2	635.0	20	32	584
24	813	47.7	152.4	82.6	111.1	749.5	20	35	692

Class 150 Flange Weight Chart

CLASS	Nominal Pipe Size	Slip On	Threaded	Socket Weld	Lap Joint	Blind	Weld Neck
150 lb	½	1	1	2	1	2	2
	¾	2	2	2	2	2	2
	1	2	2	2	2	2	3
	1¼	3	3	3	3	3	3
	1½	3	3	3	3	4	4
	2	5	5	5	5	5	6
	2½	8	8	8	8	7	10
	3	9	9	9	9	9	11.5
	3½	11	12	11	11	13	12
	4	13	13	13	13	17	16.5
	5	15	15	15	15	20	21
	6	19	19	19	19	27	26
	8	30	30	30	30	47	42
	10	43	43	43	43	70	54
	12	64	64	64	64	123	88
	14	90	90	90	105	140	114
	16	106	98	98	140	180	140
	18	130	130	130	160	220	165
	20	165	165	165	195	285	197
	22	185	185	185	245	355	225
	24	220	220	220	275	430	268

Bolt And Stud Dimensions Chart – ASME B16.5 Flanges

Nominal Pipe Size	# Bolts or Studs	Dia of Bolts or Studs	Length of Stud
		150 LB. Flanges
			1/16 RF	RTJ
1/2	4	0.50	2-1/4	–
3/4	4	0.50	2-1/2	–
1	4	0.50	2-1/2	3
1-1/4	4	0.50	2-3/4	3-1/4
1-1/2	4	0.50	2-3/4	3-1/4
2	4	0.63	3-1/4	3-3/4
2-1/2	4	0.63	3-1/2	4
3	4	0.63	3-1/2	4
3-1/2	8	0.63	3-1/2	4
4	8	0.63	3-1/2	4
5	8	0.75	3-3/4	4-1/4
6	8	0.75	4	4-1/2
8	8	0.75	4-1/4	4-3/4
10	12	0.88	4-1/2	5
12	12	0.88	4-3/4	5-1/4
14	12	1.00	5-1/4	5-3/4
16	16	1.00	5-1/4	5-3/4
18	16	1.13	5-3/4	6-1/4
20	20	1.13	6-1/4	6-3/4
24	20	1.25	6-3/4	7-1/4

Class 150 Flanges Standard, 150 LB Flange Pressure Rating.

Class 150 Flange Pressure Rating

Rating Of Stainless Steel Flanges

Temperature (in F°)	150#	300#	400#	600#	900#	1500#	2500#
< 100	285	740	985	1480	2220	3705	6170
200	260	680	905	1360	2035	3395	5655
300	230	655	870	1310	1965	3270	5450
400	200	635	845	1265	1900	3170	5280
500	170	605	805	1205	1810	3015	5025
600	140	570	755	1135	1705	2840	4730
650	125	550	730	1100	1650	2745	4575
700	110	530	710	1060	1590	2655	4425
750	95	505	675	1015	1520	2535	4230
800	80	410	550	825	1235	2055	3430
850	65	320	425	640	955	1595	2655
900	50	230	305	460	690	1150	1915
950	35	135	185	275	410	685	1145
1000	20	85	115	170	255	430	715
Hydrostatic Test Pressure (PSIG)	450	1125	1500	2225	3350	5575	9275

RATING IN BARS

TEMP C°	150#	300#	400#	600#	900#	1500#	2500#
-29 TO 38	15.9	41.4	55.2	82.7	124.1	206.8	344.7
50	15.3	40	53.4	80	120.1	200.1	333.5
100	13.3	34.8	46.4	69.6	104.4	173.9	289.9
150	12	31.4	41.9	62.8	94.2	157	261.6
200	11.2	29.2	38.9	58.3	87.5	145.8	243
250	10.5	27.5	36.6	54.9	82.4	137.3	228.9
300	10	26.1	34.8	52.1	78.2	130.3	217.2
325	9.3	25.5	34	51	76.4	127.4	212.3
350	8.4	25.1	33.4	50.1	75.2	125.4	208.9
375	7.4	24.8	33	49.5	74.3	123.8	206.3
400	6.5	24.3	32.4	48.6	72.9	121.5	202.5
425	5.5	23.9	31.8	47.7	71.6	119.3	198.8
450	4.6	23.4	31.2	46.8	70.2	117.1	195.1

Class 150 Flange Dimension Weight Chart Pressure Ratings

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