ASME B16.5 Class 150 Flanges Dimensions / Weight / Pressure Rating

ASME B16.5 Class 150 Flange

Carbon Steel Flanges 150 LB

Stainless Steel Class 150# Flange

ASA 150# Flanges Dimensions In MM

	OD of Flange	Thick. of Flange	Diam. of Raised Face	Diam. of Hub at Base	WN	SORF Tdreaded Socket	Lap Joint	Slip-on Socket	Lap Joint	Diam. of Hub at Bevel	Radius of Fillet	Deptd of Socket
NPS	OD of Flange	Thick. of Flange	Diam. of Raised Face	Diam. of Hub at Base	Lengtd Tdru Hub			Diam. or Bore		Diam. of Hub at Bevel	Radius of Fillet	Deptd of Socket
	O	Q	R	X	Y	Y	Y	W	B	H	r	Z
1/2	3-1/2	7/16	1-3/8	1-3/16	1-7/8	5/8	5/8	.88	.90	.84	1/8	3/8
3/4	3-7/8	1/2	1-11/16	1-1/2	2-1/16	5/8	5/8	1.09	1.11	1.05	1/8	7/16
1	4-1/4	9/16	2	1-15/16	2-3/16	11/16	11/16	1.36	1.38	1.32	1/8	1/2
1-1/4	4-5/8	5/8	2-1/2	2-5/16	2-1/4	13/16	13/16	1.70	1.72	1.66	3/16	9/16
1-1/2	5	11/16	2-7/8	2-9/16	2-7/16	7/8	7/8	1.95	1.97	1.90	1/4	5/8
2	6	3/4	3-5/8	3-1/16	2-1/2	1	1	2.44	2.46	2.38	5/16	11/16
2-1/2	7	7/8	4-1/8	3-9/16	2-3/4	1-1/8	1-1/8	2.94	2.97	2.88	5/16	3/4
3	7-1/2	15/16	5	4-1/4	2-3/4	1-3/16	1-3/16	3.57	3.60	3.50	3/8	13/16
3-1/2	8-1/2	15/16	5-1/2	4-13/16	2-13/16	1-1/4	1-1/4	4.07	4.10	4.00	3/8	7/8
4	9	15/16	6-3/16	5-5/16	3	1-5/16	1-5/16	4.57	4.60	4.50	7/16	15/16
5	10	15/16	7.5/16	6-7/16	3-1/2	1-7/16	1-7/16	5.66	5.69	5.56	7/16	15/16
6	11	1	8-1/2	7-9/16	3-1/2	1-9/16	1-9/16	6.72	6.75	6.63	1/2	1-1/16
8	13-1/2	1-1/8	10-5/8	9-11/16	4	1-3/4	1-3/4	8.72	8.75	8.63	1/2	1-1/4
10	16	1-3/16	12-3/4	12	4	1-15/16	1-15/16	10.88	10.92	10.75	1/2	1-5/16
12	19	1-1/4	15	14-3/8	4-1/2	2-3/16	2-3/16	12.88	12.92	12.75	1/2	1-9/16
14	21	1-3/8	16-1/4	15-3/4	5	2-1/4	3-1/8	14.14	14.18	14.00	1/2	1-5/8
16	23-1/2	1-7/16	18-1/2	18	5	2-1/2	3-7/16	16.16	16.19	16.00	1/2	1-3/4
18	25	1-9/16	21	19-7/8	5-1/2	2-11/16	3-13/16	18.18	18.20	18.00	1/2	1-15/16
20	27-1/2	1-11/16	23	22	5-11/16	2-7/8	4-1/16	20.20	20.25	20.00	1/2	2-1/8
24	32	1-7/8	27-1/4	26-1/8	6	3-1/4	4-3/8	24.25	24.25	24.00	1/2	2-1/2

Class 150 Pipe Flanges Pressure Rating

Temperature (in F°)	Classes 150	Classes 300	Classes 400	Classes 600	Classes 900	Classes 1500	Classes 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 (psig)	450	1125	1500	2225	3350	5575	9275

Standards Specification Of Class 150# Flanges

Specification :	ASME B16.5 Class 150 Flanges
Supporting Flanges Material:	Ring Joint, Gasket, Flanges Bolts
Common Types of 150# Flanges :	Flanges 150 LB WNRF Classes 150 RTJ 150# BLRF Classes 150 SORF
Size Chart :	1/2″ (15 NB) To 48″ (1200NB)
Application:	Chemical Industry Water Pipeline Industry Natural Gas Industry Oil And Gas Industry Nuclear Power Plant Fabrication Industry
Standards :	JIS, MSS SP44, EN-1092, ASME B16.38, UNI, ASME B16.47 (Series A, Series B), PN, ISO, BS10, ASME B16.5, AWWA, DIN, GOST
Design For Size:	ANSI, ASME, ASA, PN, JIS, EN, DIN, BS
Machining Equipment:	Press machine, Pushing Machine, Electric bevelling machine, Bending machine, Sand-blasting machine etc
Coating Flange Faces :	Oil Black Paint, Yellow Transparent, Anti-rust Paint, Zinc Plated, Cold and Hot Dip Galvanized
Production Process:	Forged, Heat Treated and Machined
Connect Type Type:	LJF, LMF, RTJ, SMF, RF, FF
Pressure Rating Table:	Classes 150 LBS, Classes 300 LBS, Classes 600 LBS, Classes 900 LBS, Classes 1500 LBS, Classes 2500 LBS

Stainless Steel Class 150 Flanges Types

A105 / SS316 Forged Class 150 Expander Flange

class 150 Expander Flanges

Stainless steel 304 ANSI B16.5 Class 150 Socket-weld Flanges

ANSI B16.5 Classes 150 Socket-weld Flanges

150# High hub Blind Flanges

Welding Neck Flange ANSI B16.5 150 Lbs

150# Rf Threaded Flanges

ANSI B16.5 Class 150 Lap Joint Flanges

Class 150 Long Weld Neck Flanges

ANSI/ASME B16.5 Class 150 Forged Flanges

Class 150 Plate Flanges

ANSI 150 Square Flanges

Class 150 Puddle Flanges

ANSI 150 Flange Adapter

Flanges 150 LB Weight Chart

CLASSES	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 Length For ANSI 150 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 Pipe Flanges Size Chart

NPS NPS (inch)	Class 150
NPS NPS (inch)	Diammeter of Flange (inch)	No. of Bolts	Diammeter of Bolts (inch)	Diammeter of Bolt Holes (inch)	Bolt Circle (inch)
1/4	3-3/8	4	1/2	0.62	2-1/4
1/2	3-1/2	4	1/2	0.62	2-3/8
3/4	3-7/8	4	1/2	0.62	2-3/4
1	4-1/4	4	1/2	0.62	3-1/8
1-1/4	4-5/8	4	1/2	0.62	3-1/2
1-1/2	5	4	1/2	0.62	3-7/8
2	6	4	5/8	0.75	4-3/4
2-1/2	7	4	5/8	0.75	5-1/2
3	7-1/2	4	5/8	0.75	6
3-1/2	8-1/2	8	5/8	0.75	7
4	9	8	5/8	0.75	7-1/2
5	10	8	3/4	0.88	8-1/2
6	11	8	3/4	0.88	9-1/2
8	13-1/2	8	3/4	0.88	11-3/4
10	16	12	7/8	1	14-1/4
12	19	12	7/8	1	17
14	21	12	1	1.12	18-3/4
16	23-1/2	16	1	1.12	21-1/4
18	25	16	1-1/8	1.25	22-3/4
20	27-1/2	20	1-1/8	1.25	25
24	32	20	1-1/4	1.38	29-1/2

ASME B16.5 Class 150 Forged Flanges Thickness

150# ANSI Blind Flanges

NPS	"A" (Outer Diameter)	"B" (Thickness)	"C" (RF Diameter)	"D" (B.C.D.)	# Bolt Holes	Diameter of Bolt Holes	Appr. Weight
1/2"	3-1/2	7/16	1-3/8	2-3/8	4	5/8	2
3/4"	3-7/8	1/2	1-11/16	2-3/4	4	5/8	2
1"	4-1/4	9/16	2	3-1/8	4	5/8	2
1-1/4"	4-5/8	5/8	2-1/2	3-1/2	4	5/8	3
1-1/2"	5	11/16	2-7/8	3-7/8	4	5/8	3
2"	6	3/4	3-5/8	4-3/4	4	3/4	4
2-1/2"	7	7/8	4-1/8	5-1/2	4	3/4	7
3"	7-1/2	15/16	5	6	4	3/4	9
3-1/2"	8-1/2	15/16	5-1/2	7	8	3/4	13
4"	9	15/16	6-3/16	7-1/2	8	3/4	17
5"	10	15/16	7-5/16	8-1/2	8	7/8	20
6"	11	1	8-1/2	9-1/2	8	7/8	27
8"	13-1/2	1-1/8	10-5/8	11-3/4	8	7/8	47
10"	16	1-3/16	12-3/4	14-1/4	12	1	67
12"	19	1-1/4	15	17	12	1	123
14"	21	1-3/8	16-1/4	18-3/4	12	1-1/8	139
16"	23-1/2	1-7/16	18-1/2	21-1/4	16	1-1/8	187
18"	25	1-9/16	21	22-3/4	16	1-1/4	217
20"	27-1/2	1-11/16	23	25	20	1-1/4	283
24"	32	1-7/8	27-1/4	29-1/2	20	1-3/8	415

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ASA 150# Flanges Dimensions In MM

Class 150 Pipe Flanges Pressure Rating

Standards Specification Of Class 150# Flanges

Stainless Steel Class 150 Flanges Types

Flanges 150 LB Weight Chart

Bolt Length For ANSI 150 Flanges

Class 150 Pipe Flanges Size Chart

ASME B16.5 Class 150 Forged Flanges Thickness

Pipe Flanges Products

Pipe Fittings Products

Special Steel Fittings & Flanges

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ASME B16.5 Class 150 Forged Flanges Dimensions Or Pressure Rating

ASA 150# Flanges Dimensions In MM

Class 150 Pipe Flanges Pressure Rating

Standards Specification Of Class 150# Flanges

Stainless Steel Class 150 Flanges Types

Flanges 150 LB Weight Chart

Bolt Length For ANSI 150 Flanges

Class 150 Pipe Flanges Size Chart

ASME B16.5 Class 150 Forged Flanges Thickness