ASME B16.5 Flange

ASME B16.5 Flange Manufacturer In India. Buy Stainless Steel Class 300 Flanges in Mumbai and Check Carbon Steel Flange Dimensions, ANSI B16.5 Class 600/ 1500 Blind Flange Weight Chart and price list

Types of Flanges

On This Page

Specification List of ASME B16.5 Flange Ansi B16 5 Class 150 Dimensions Asme B16.5 Class 300 Flange Dimensions Asme B16.5 Class 600 Flange Dimensions Ansi B16.5 Class 900 Flange Dimensions In Mm Ansi B16 5 Class 1500 Dimensions Pressure Rating of ANSI B16.5 Flange Weight Chart Of ASME B16.5 Flange b16.5 blind flange Size Chart Common Produced Materials of ASME B16.5 Flanges Applications of ASME B16.5 Flange ASME B16.5 Class 150 Flange Tolerances

Gallery

ASME B16.5 Flange in Detail

Specification

Features & Applications

Common Produced Materials of ASME B16.5 Flanges

ASTM A105 & A105N Forged Carbon Steel
ASTM A182 F11 & F22 Chrome
ASTM A182 F304/304L, F316/316L
ASTM A350 LF2

Applications of ASME B16.5 Flange

Mining
Petroleum Refining
Pharmaceutical Processing
Power Generation—nuclear
Pulp and Paper

Technical Data

Full Specifications

›Technical Data

Specification List of ASME B16.5 Flange

Size Chart	1/2" (15 NB) to 48" (1200NB) DN10~DN5000
JIS	16 K, 5K, 10 K, 30 K, 20 K, 40 K, 63 K
UNI / DIN	10Bar 6Bar 25Bar 16Bar 40Bar
Pressure Rating ANSI	2500 LBS, 600 LBS, 150 LBS, 900 LBS, 300 LBS, 1500 LBS
Production technique	Heat treated, Forged and machined
Connect Type/ Flange Face Type	Large Tongue & Groove, Small Tongue, Small Male-Female (SMF), Flat Face (FF), Lap-Joint Face (LJF), Ring Type Joint (RTJ), Raised Face (RF), Large Male-Female (LMF), Groove
Coating	Oil Black Paint, Anti-rust Paint, Cold and Hot Dip Galvanized, Zinc Plated, Yellow Transparent
Most common types	Forged / Threaded / Screwed / Plate
Export to	Ireland, Brazil, Thailand, Egypt, Oman, Dubai, Singapore, Indonesia, Ukraine, Korea, Iran, India, Saudi Arabia, Spain, Canada, USA, Peru, etc
Test	X-ray detector, UI trasonic flaw detector, Direct-reading Spectrograph, Magnetic particle detector, Hydrostatic testing machine
Equipment	Pushing Machine, electric bevelling machine, Press machine, Bending machine, Sand-blasting machine etc
Origin	West Europe / Indian / USA / Japan / Korean
Standards	ASME, BS, API605, GOST, JISB2220, ANSI/ASME B16.5, ISO70051, API7S-15, API7S-43, BS 10, B16.47 Series A & B, B16.48, DIN, EN, BS1560-3.1, BS4504, MSS S44, EN-1092, ASME/ANSI B16.5/16.36/16.47A/16.47B, DIN, ANSI, EN1092
Special design	As per your drawing AS, ANSI, BS, DIN and JIS / 15 NB (1/2") to 200 NB (8") / Equal and Reducing Configurations

b16.5 blind flange Size Chart

Scroll to see all columns →

DN / (in.)	Dimension	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_2	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_3	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_4	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_5	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_6	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_7	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_8	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_9	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_10	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_11	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_12	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_13	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_14	ANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart_15
DN / (in.)	Dimension	125# / 150#	125# / 150#	300#	300#	400#	400#	600#	600#	900#	900#	1500#	1500#	2500#	2500#	2500#
DN / (in.)	Dimension	in.	millimeter	in.	millimeter	in.	millimeter	in.	millimeter	in.	millimeter	in.	millimeter	in.	in.	millimeter
1/2	A	3 1/2	88.9	3 3/4	95.2	3 3/4	95.2	3 3/4	95.2	4 3/4	121	4 3/4	121	5 1/4	133.4	133.4
1/2	b	7/16	11.1	9/16	14.3	9/16	14.3	9/16	14.3	7/8	22.2	7/8	22.2	1 3/16	30.2	30.2
1/2	D2	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	34.9
1/2	D1	2 3/8	60.3	2 5/8	66.7	2 5/8	66.7	2 5/8	66.7	3 1/4	82.6	3 1/4	82.6	3 1/2	88.9	88.9
1/2	n	4	4	4	4	4	4	4	4	4	4	4	-	4	44	44
1/2	d	5/8	15.9	5/8	15.9	5/8	15.9	5/8	15.9	7/8	22.2	7/8	22.2	7/8	22.2	22.2
3/4	A	3 7/8	98.4	4 5/8	117.5	4 5/8	117.5	4 5/8	117.5	5 1/8	130	5 1/8	130	5 1/2	139.7	139.7
3/4	b	1/2	12.7	5/8	15.9	5/8	15.9	5/8	15.9	1	25.4	1	25.4	1 1/4	31.8	31.8
3/4	D2	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	42.9
3/4	D1	2 3/4	69.8	3 1/4	82.5	3 1/4	82.5	3 1/4	82.5	3 1/2	88.9	3 1/2	88.9	3 3/4	95.2	95.2
3/4	n	4	4	4	4	4	4	4	4	4	4	4	-	4	44	44
3/4	d	5/8	15.9	3/4	19	3/4	19	3/4	19	7/8	22.2	7/8	22.2	7/8	22.2	22.2
1	A	4 1/4	108	4 7/8	123.8	4 7/8	123.8	4 7/8	123.8	5 7/8	149.2	5 7/8	149.2	6 1/4	159	159
1	b	9/16	14.3	11/16	17.5	11/16	17.5	11/16	17.5	1 1/8	28.6	1 1/8	28.6	1 3/8	34.9	34.9
1	D2	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8	50.8
1	D1	3 1/8	79.4	3 1/2	88.9	3 1/2	88.9	3 1/2	88.9	4	102	4	102	4 1/4	108	108
1	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
1	d	5/8	15.9	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1	25.4	25.4
1 1/4	A	4 5/8	117.5	5 1/4	133.4	5 1/4	133.4	5 1/4	133.4	6 1/4	159	6 1/4	159	7 1/4	184.2	184.2
1 1/4	b	5/8	15.9	3/4	19	13/16	20.6	13/16	20.6	1 1/8	28.6	1 1/8	28.6	1 1/2	38.1	38.1
1 1/4	D2	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	63.5
1 1/4	D1	3 1/2	88.9	3 7/8	98.4	3 7/8	98.4	3 7/8	98.4	4 3/8	111	4 3/8	111	5 1/8	130	130
1 1/4	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
1 1/4	d	5/8	15.9	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1 1/8	28.6	28.6
1 1/2	A	5	127	6 1/8	155.6	6 1/8	155.6	6 1/8	155.6	7	177.8	7	177.8	8	203	203
1 1/2	b	11/16	17.5	13/16	20.6	7/8	22.2	7/8	22.2	1 1/4	31.8	1 1/4	31.8	1 3/4	44.5	44.5
1 1/2	D2	2 7/8	73 98	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73	73
1 1/2	D1	3 7/8	4	4 1/2	114	4 1/2	114	4 1/2	114	4 7/8	124	4 7/8	124	5 3/4	146	146
1 1/2	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
1 1/2	d	5/8	. 15.9	7/8	22.2	7/8	22.2	7/8	22.2	1 1/8	28.6	1 1/8	28.6	1 1/4	31.8	31.8
2	A	6	152.4	6 1/2	165.1	6 1/2	165.1	6 1/2	165.1	8 1/2	215.9	8 1/2	215.9	9 1/4	234.9	234.9
2	b	3/4	19	7/8	22.2	1	25.4	1	25.4	1 1/2	38.1	1 1/2	38.1	2	50.8	50.8
2	D2	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	92.1
2	D1	4 3/4	121	5	127	5	127	5	127	6 1/2	165.1	6 1/2	165.1	6 3/4	171	171
2	n	4	4	8	8	8	8	8	8	8	8	8	8	8	8	8
2	d	3/4	19	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1 1/8	28.6	28.6
2 1/2	A	7	177.8	7 1/2	190.5	7 1/2	190.5	7 1/2	190.5	9 5/8	244	9 5/8	244	10 1/2	266.7	266.7
2 1/2	b	7/8	22.2	1	25.4	1 1/8	28.6	1 1/8	28.6	1 5/8	41.3	1 5/8	41.3	2 1/4	57.2	57.2
2 1/2	D2	4 1/8	104.8	4 1/8	104.8	4 1/8	104.8	4 1/8	104.8	4 1/8	105	4 1/8	105	4 1/8	105	105
2 1/2	D1	5 1/2	139.7	5 7/8	149.2	5 7/8	149.2	5 7/8	149.2	7 1/2	190.5	7 1/2	190.5	7 3/4	197	197
2 1/2	n	4	4	8	8	8	8	8	8	8	8	8	8	8	8	8
2 1/2	d	3/4	19	7/8	22.2	7/8	22.2	7/8	22.2	1 1/8	28.6	1 1/8	28.6	1 1/4	31.8	31.8

Our Frequent supply of ASME B16 5 Class 300 Flanges in below countries

col_1	col_2
ASME B16.5 SCH40 Weld Neck Flange	Malaysia, Taiwan, Los Alamos -Mexico, Philippines
ASME B16.5 Class 150 Pipe Flange 1/2" - 96"	Sweden, Colombia, Malaysia, China
ansi b16.5 blind rf ff rtj flange class 150 to 2500	United Kingdom -UK, Europe, Malaysia, UAE
ASME B16.5 Welding Neck WN Flange, Class 900	Netherlands, Malaysia, Russia, Dubai
ANSI B16.5 150LBS Weld Neck carbon steel pipe flanges	United Arab Emirates (UAE), Turkey, Norway, Malaysia
Flange 304L 1' SW RF ASME B16.5	UK, Canada, Poland, Ellington -United States
3/4'' 300lbs Ansi B16.5 Flange	Bahrain, South Africa, Singapore, Singapore
ANSI b16.5 galvanized flange	South Africa, Saudi Arabia (KSA), Kuwait, Brazil
DUPLEX 2205 ASME B16.5 1/2" - 24" 150# BLIND FLANGE	Philippines, Malaysia, Canada, Singapore
ANSI B16.5 grade2 150# press class titanium blind flange	Singapore, South Korea, NY 12203 (USA), Malaysia
Class 150 ASME B16.5 Forged Flange	Philippines, France, Australia, UK, Nigeria
Flange 24" Class900 SCH100 ASTM A350-LF2 cl 1 ASME B16.5	Malaysia, USA, Bangladesh, Finland
ASME B16.5 Class 1500 High Pressure Threaded Flange	Europe, Japan, Romania, Malaysia
ASME B16. 5 A105 Welded 3" CL 600 RF WN flange	Dammam -KSA, Indonesia, Philippines, Belgium
ANSI B16.5 CL150 Brass Bronze Forged Flanges	Chile, Italy, Iran, Singapore
Asme B16.5 150# Sorf Stainless Steel Flange	Oman, Malaysia, Hong Kong, UAE
ANSI B16.5 4" WT.XS 600# WNRF	Egypt, Spain, Mexico, UK
Asme B16.5 PN 6 Forged Rtj Face Blind Flange	Qatar, France, Europe, Thailand
B16.5 Incoloy 925 Blind flange	Czechia, Germany, Thailand, Malaysia

›Dimensions & Weight

Ansi B16 5 Class 150 Dimensions

Scroll to see all columns →

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Dia. (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore ID (SB)	WN Bore ID (WB)	Dia. Hub Base (HB)	Dia. of Hub Top (HT)	SO LTH (SL)	WN LTH (WL)
1⁄2	3.50	0.38	1.38	4	0.62	2.38	0.88	0.62	1.19	0.84	0.56	1.81
3⁄4	3.88	0.44	1.69	4	0.62	2.75	1.09	0.82	1.50	1.05	0.56	2.00
1	4.25	0.50	2.00	4	0.62	3.12	1.36	1.05	1.94	1.32	0.62	2.12
11⁄4	4.62	0.56	2.50	4	0.62	3.50	1.70	1.38	2.31	1.66	0.75	2.19
11⁄2	5.00	0.62	2.88	4	0.62	3.88	1.95	1.61	2.56	1.90	0.81	2.38
2	6.00	0.69	3.62	4	0.75	4.75	2.44	2.07	3.06	2.38	0.94	2.44
21⁄2	7.00	0.81	4.12	4	0.75	5.50	2.94	2.47	3.56	2.88	1.06	2.69
3	7.50	0.88	5.00	4	0.75	6.00	3.57	3.07	4.25	3.50	1.12	2.69
31⁄2	8.50	0.88	5.50	8	0.75	7.00	4.07	3.55	4.81	4.00	1.19	2.75
4	9.00	0.88	6.19	8	0.75	7.50	4.57	4.03	5.31	4.50	1.25	2.94
5	10.00	0.88	7.31	8	0.88	8.50	5.66	5.05	6.44	5.56	1.38	3.44
6	11.00	0.94	8.50	8	0.88	9.50	6.72	6.07	7.56	6.63	1.50	3.44
8	13.50	1.06	10.62	8	0.88	11.75	8.72	7.98	9.69	8.63	1.69	3.94
10	16.00	1.12	12.75	12	1.00	14.25	10.88	10.02	12.00	10.75	1.88	3.94
12	19.00	1.19	15.00	12	1.00	17.00	12.88	12.00	14.38	12.75	2.12	4.44
14	21.00	1.31	16.25	12	1.12	18.75	14.14	13.25	15.75	14.00	2.19	4.94
16	23.50	1.38	18.50	16	1.12	21.25	16.16	15.25	18.00	16.00	2.44	4.94
18	25.00	1.50	21.00	16	1.25	22.75	18.18	17.25	19.88	18.00	2.62	5.44
20	27.50	1.62	23.00	20	1.25	25.00	20.20	19.25	22.00	20.00	2.81	5.62
22	29.50	1.75	25.25	20	1.38	27.25	22.22	21.25	24.25	22.00	3.07	5.82
24	32.00	1.81	27.25	20	1.38	29.50	24.25	23.25	26.12	24.00	3.19	5.94

Asme B16.5 Class 300 Flange Dimensions

Scroll to see all columns →

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Dia. (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore ID (SB)	WN Bore ID (WB)	Dia. Hub Base (HB)	Dia. Hub Top (HT)	SO LTH (SL)	WN LTH (WL)
1⁄2	3.75	0.50	1.38	4	0.63	2.62	0.88	0.62	1.50	0.84	0.81	2.00
3⁄4	4.62	0.56	1.69	4	0.75	3.25	1.09	0.82	1.88	1.05	0.94	2.19
1	4.88	0.62	2.00	4	0.75	3.50	1.36	1.05	2.12	1.32	1.00	2.38
11⁄4	5.25	0.69	2.50	4	0.75	3.88	1.70	1.38	2.50	1.66	1.00	2.50
11⁄2	6.12	0.75	2.88	4	0.88	4.50	1.95	1.61	2.75	1.90	1.13	2.63
2	6.50	0.81	3.62	8	0.75	5.00	2.44	2.07	3.31	2.38	1.25	2.69
21⁄2	7.50	0.94	4.12	8	0.88	5.88	2.94	2.47	3.94	2.88	1.44	2.94
3	8.25	1.06	5.00	8	0.88	6.62	3.57	3.07	4.62	3.50	1.63	3.06
31⁄2	9.00	1.12	5.50	8	0.88	7.25	4.07	3.55	5.25	4.00	1.69	3.13
4	10.00	1.19	6.19	8	0.88	7.88	4.57	4.03	5.75	4.50	1.82	3.32
5	11.00	1.31	7.31	8	0.88	9.25	5.66	5.05	7.00	5.56	1.94	3.82
6	12.50	1.38	8.50	12	0.88	10.62	6.72	6.07	8.12	6.63	2.00	3.82
8	15.00	1.56	10.62	12	1.00	13.00	8.72	7.98	10.25	8.63	2.38	4.32
10	17.50	1.81	12.75	16	1.12	15.25	10.88	10.02	12.62	10.75	2.56	4.56
12	20.50	1.94	15.00	16	1.25	17.75	12.88	12.00	14.75	12.75	2.82	5.06
14	23.00	2.06	16.25	20	1.25	20.25	14.14	13.25	16.75	14.00	2.94	5.56
16	25.50	2.19	18.50	20	1.38	22.50	16.16	15.25	19.00	16.00	3.19	5.69
18	28.00	2.31	21.00	24	1.38	24.75	18.18	17.25	21.00	18.00	3.44	6.19
20	30.50	2.44	23.12	24	1.38	27.00	20.20	19.25	23.12	20.00	3.69	6.32
22	33.00	2.57	25.25	24	1.63	29.25	22.22	21.25	25.25	22.00	3.93	6.43
24	36.00	2.69	27.62	24	1.63	32.00	24.25	23.25	27.62	24.00	4.13	6.56

Asme B16.5 Class 600 Flange Dimensions

Scroll to see all columns →

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Dia. (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore ID (SB)	Dia. Hub Base (HB)	Dia. Hub Top (HT)	SO LTH (SL)	WN LTH (WL)	* WN Bore ID (WB)
1⁄2	3.75	0.56	1.38	4	0.63	2.62	0.88	1.50	0.84	0.88	2.06	*
3⁄4	4.62	0.62	1.69	4	0.75	3.25	1.09	1.88	1.05	1.00	2.25	*
1	4.88	0.69	2.00	4	0.75	3.50	1.36	2.12	1.32	1.06	2.44	*
11⁄4	5.25	0.81	2.50	4	0.75	3.88	1.70	2.50	1.66	1.12	2.62	*
11⁄2	6.12	0.88	2.88	4	0.88	4.50	1.95	2.75	1.90	1.25	2.75	*
2	6.50	1.00	3.62	8	0.75	5.00	2.44	3.31	2.38	1.44	2.88	*
21⁄2	7.50	1.12	4.12	8	0.88	5.88	2.94	3.94	2.88	1.62	3.12	*
3	8.25	1.25	5.00	8	0.88	6.62	3.57	4.62	3.50	1.81	3.25	*
31⁄2	9.00	1.38	5.50	8	1.00	7.25	4.07	5.25	4.00	1.94	3.38	*
4	10.75	1.50	6.19	8	1.00	8.50	4.57	6.00	4.50	2.12	4.00	*
5	13.00	1.75	7.31	8	1.12	10.50	5.66	7.44	5.56	2.38	4.50	*
6	14.00	1.88	8.50	12	1.12	11.50	6.72	8.75	6.63	2.62	4.62	*
8	16.50	2.19	10.62	12	1.25	13.75	8.72	10.75	8.63	3.00	5.25	*
10	20.00	2.50	12.75	16	1.38	17.00	10.88	13.50	10.75	3.38	6.00	*
12	22.00	2.62	15.00	20	1.38	19.25	12.88	15.75	12.75	3.62	6.12	*
14	23.75	2.75	16.25	20	1.50	20.75	14.14	17.00	14.00	3.69	6.50	*
16	27.00	3.00	18.50	20	1.63	23.75	16.16	19.50	16.00	4.19	7.00	*
18	29.25	3.25	21.00	20	1.75	25.75	18.18	21.50	18.00	4.62	7.25	*
20	32.00	3.50	23.00	24	1.75	28.50	20.20	24.00	20.00	5.00	7.50	*
22	34.25	3.75	25.25	24	1.88	30.63	22.22	26.25	22.00	5.25	7.75	*
24	37.00	4.00	27.25	24	2.00	33.00	24.25	28.25	24.00	5.50	8.00	*

Ansi B16.5 Class 900 Flange Dimensions In Mm

Scroll to see all columns →

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Dia. (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore ID (SB)	* WN Bore ID (WB)	Dia. Hub Base (HB)	Dia. Hub Top (HT)	SO LTH (SL)	WN LTH (WL)
3	9.50	1.50	5.00	8	1.00	7.50	3.57	*	5.00	3.50	2.12	4.00
4	11.50	1.75	6.19	8	1.25	9.25	4.57	*	6.25	4.50	2.75	4.50
5	13.75	2.00	7.31	8	1.38	11.00	5.66	*	7.50	5.56	3.12	5.00
6	15.00	2.19	8.50	12	1.25	12.50	6.72	*	9.25	6.63	3.38	5.50
8	18.50	2.50	10.63	12	1.50	15.50	8.72	*	11.75	8.63	4.00	6.38
10	21.50	2.75	12.75	16	1.50	18.50	10.88	*	14.50	10.75	4.25	7.25
12	24.00	3.12	15.00	20	1.50	21.00	12.88	*	16.50	12.75	4.63	7.88
14	25.25	3.38	16.25	20	1.63	22.00	14.14	*	17.75	14.00	5.12	8.38
16	27.75	3.50	18.50	20	1.75	24.25	16.16	*	20.00	16.00	5.25	8.50
18	31.00	4.00	21.00	20	2.00	27.00	18.18	*	22.25	18.00	6.00	9.00
20	33.75	4.25	23.00	20	2.13	29.50	20.20	*	24.50	20.00	6.25	9.75
24	41.00	5.50	27.25	20	2.63	35.50	24.25	*	29.50	24.00	8.00	11.50

Ansi B16 5 Class 1500 Dimensions

Scroll to see all columns →

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Dia. (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	So Bore ID (SB)	Dia. Hub Base (HB)	Dia. Hub Top (HT)	SO LTH (SL)	WN LTH (WL)	* WN Bore ID (WB)
1⁄2	4.75	0.88	1.38	4	0.88	3.25	0.88	1.50	0.84	1.25	2.38	*
3⁄4	5.12	1.00	1.69	4	0.88	3.50	1.09	1.75	1.05	1.38	2.75	*
1	5.88	1.12	2.00	4	1.00	4.00	1.36	2.06	1.32	1.62	2.88	*
11⁄4	6.25	1.12	2.50	4	1.00	4.38	1.70	2.50	1.66	1.62	2.88	*
11⁄2	7.00	1.25	2.88	4	1.12	4.88	1.95	2.75	1.90	1.75	3.25	*
2	8.50	1.50	3.63	8	1.00	6.50	2.44	4.12	2.38	2.25	4.00	*
21⁄2	9.62	1.62	4.13	8	1.12	7.50	2.94	4.88	2.88	2.50	4.12	*
3	10.50	1.88	5.00	8	1.25	8.00	–	5.25	3.50	–	4.62	*
4	12.25	2.12	6.19	8	1.38	9.50	–	6.38	4.50	–	4.88	*
5	14.75	2.88	7.31	8	1.63	11.50	–	7.75	5.56	–	6.12	*
6	15.50	3.25	8.50	12	1.50	12.50	–	9.00	6.63	–	6.75	*
8	19.00	3.62	10.63	12	1.75	15.50	–	11.50	8.63	–	8.38	*
10	23.00	4.25	12.75	12	2.00	19.00	–	14.50	10.75	–	10.00	*
12	26.50	4.88	15.00	16	2.12	22.50	–	17.75	12.75	–	11.12	*
14	29.50	5.25	16.25	16	2.38	25.00	–	19.50	14.00	–	11.75	*
16	32.50	5.75	18.50	16	2.63	27.75	–	21.75	16.00	–	12.25	*
18	36.00	6.38	21.00	16	2.88	30.50	–	23.50	18.00	–	12.88	*
20	38.75	7.00	23.00	16	3.12	32.75	–	25.25	20.00	–	14.00	*
24	46.00	8.00	27.25	16	3.63	39.00	–	30.00	24.00	–	16.00	*

Weight Chart Of ASME B16.5 Flange

Scroll to see all columns →

NPS / (Inches)	DN / (mm)	FLANGE OD / A MM	FLANGE THICKNESS D / MM	SLIP ON FLANGE WEIGHT (KGS)	WELD NECK FLANGE WEIGHT (KGS)	BLIND FLANGE WEIGHT (KGS)
1/ 2	15	88.9	11.2	0.4	0.5	0.4
3/ 4	20	98.6	12.7	0.6	0.7	0.6
1	25	108	14.2	0.8	1	0.9
1 1/ 4	32	117.3	15.7	1	1.3	1.2
1 1/ 2	40	127	17.5	1.3	1.7	1.5
2	50	152.4	19.1	2.1	2.6	2.4
2 1/ 2	65	177.8	22.4	3.3	4.1	3.9
3	80	190.5	23.9	3.9	4.9	4.9
3 1/ 2	90	215.9	23.9	4.8	6.1	6.2
4	100	228.6	23.9	5.3	6.8	7.0
5	125	254	23.9	6.1	8.6	8.6
6	150	279.4	25.4	7.5	10.6	11.3
8	200	342.9	28.4	12.1	17.6	19.6
10	250	406.4	30.2	16.5	24	28.6
12	300	482.6	31.8	26.2	36.5	43.2
14	350	533.4	35.1	34.6	48.4	58.1
16	400	596.9	36.6	44.8	60.6	76.1
18	450	635	39.6	48.9	68.3	93.7
20	500	698.5	42.9	61.9	84.5	122.0
24	600	812.8	47.8	86.9	115	185.0

›Pressure Ratings

Pressure Rating of ANSI B16.5 Flange

Scroll to see all columns →

col_1	col_2	col_3	col_4	col_5	col_6	col_7	col_8	col_9
				Temperature	Temperature
FLANGE TABLE	-10°C to 200°C	250°C	300°C	350°C	400°C	425°C	450°C	475°C
6	6	5.5	5	–	–	–	–	–
10	10	9	8	7	6	–	–	–
16	16	15	13	11	9	–	–	–
25	25	24	21	17	14	12	9	6
40	40	38	33	28	23	20	15	10
64	64	61	53	44	36	32	24	16
100	100	95	83	70	57	50	37	25
160	160	152	132	112	92	80	60	40

›Tolerances

ASME B16.5 Class 150 Flange Tolerances

col_1	col_2	col_3	col_4	col_5
0	Outside Diameter	When 0 is 24″ or less	±0.06″	±1.6 mm
0	Outside Diameter	When O is over 24”	±0.12″	±3.2 mm
R	Diameter of Contact Face	0.06” (1.6 mm) raised face	±0.03″	±0.8 mm
R	Diameter of Contact Face	0.25″ (6.4 mm) raised face	±0.02″	±0.5 mm
A	Diameter of Hub at Point of Welding	NPS 5 and smaller	+0.09″, -0.03″	+2.4 mm, -0.8 mm
A	Diameter of Hub at Point of Welding	NPS 6 and larger	+0.16″, -0.03″	+4.0 mm, -0.8 mm
B	Inside Diameter	NPS 10 and smaller	±0.03″	±0.8 mm
B	Inside Diameter	NPS 12 to 18, inclusive	±0.06″	±1.6 mm
B	Inside Diameter	NPS 20 and larger	+0.12″, -0.06”	+3.2 mm, -1.6 mm
X	Diameter of Hub at Base	When Hub Base is 24″ or less	±0.06″	±1.6 mm
X	Diameter of Hub at Base	When Hub Base is over 24″	±0.12″	±3.2 mm
c	Thickness	NPS 18 and smaller	+0.12″, -0.00″	+3.2 mm, -0.0 mm
c	Thickness	NPS 20 and larger	+0.19″, -0.00″	+4.8 mm, -0.0 mm
	Drilling	Bolt Circle Diameter	±0.06″	±1.6 mm
	Drilling	Bolt Hole Spacing	±0.03″	±0.8 mm
	Eccentricity of Bolt Circle and Facing with Respect to Bore	NPS 21/2 and smaller	±0.03″	±0.8 mm
	Eccentricity of Bolt Circle and Facing with Respect to Bore	NPS 3 and larger	±0.06″	±1.6 mm
	Length Through Hub	NPS 10 and smaller	±0.06″	±1.6 mm
	Length Through Hub	NPS 12 and larger	±0.12″	±3.2 mm
SLIP-ON, LAP JOINT, SOCKET WELDING, THREADED and BLIND FLANGES	SLIP-ON, LAP JOINT, SOCKET WELDING, THREADED and BLIND FLANGES	SLIP-ON, LAP JOINT, SOCKET WELDING, THREADED and BLIND FLANGES	SLIP-ON, LAP JOINT, SOCKET WELDING, THREADED and BLIND FLANGES	SLIP-ON, LAP JOINT, SOCKET WELDING, THREADED and BLIND FLANGES
O	Outside Diameter	When O is 24″ or less / When O is over 24″	±0.06″ ±0.12″	±1.6 mm / ±3.2 mm
R	Diameter of Contact Face	0.06″ (1.6 mm) raised face 0.25″ (6.4 mm) raised face	±0.03″ ±0.02″	±0.8 mm / ±0.5 mm
B	Inside Diameter at Face of Socket Welding Flanges Inside Diameter of Slip-On, Lap Joint, and Socket Welding	NPS 10 and smaller / NPS 12 through 18, inclusive NPS 20 and larger	±0.03″ ±0.06″ +0.12″, -0.06″	±0.8 mm / ±1.6 mm / +3.2 mm, -1.6 mm
B	Inside Diameter at Face of Socket Welding Flanges Inside Diameter of Slip-On, Lap Joint, and Socket Welding	NPS 10 and smaller / NPS 12 and larger	+0.03″, -0.00″ +0.06″, -0.00″	+0.8 mm, -0.0 / +1.6 mm, -0.0 mm
Q	Counterbore, Threaded Flanges	NPS 10 and smaller / NPS 12 and larger	+0.03″, -0.00″ +0.06″, -0.00″	+0.8 mm, -0.0 / + 1.6 mm, -0.0 mm
X	Diameter of Hub at Base	NPS 12 and smaller / NPS 14 and larger	+0.09″, -0.06″ ±0.12″	+2.4 mm, -1.6 / ±3.2 mm
c	Thickness	NPS 18 and smaller / NPS 20 and larger	+0.12″, -0.00″ +0.19″, -0.00″	+3.2 mm, -0.0 / +4.8 mm, -0.0 mm
	Drilling	Bolt Circle Diameter Bolt Hole Spacing	±0.06″ ±0.03″	±1.6 mm / ±0.8 mm
	Eccentricity of Bolt Circle and Facing with Respect to Bore	NPS 2V2 and smaller / NPS 3 and larger	±0.03″ ±0.06″	±0.8 mm / ±1.6 mm
	Overall Length Through Hub	NPS 18 and smaller / NPS 20 and larger	+0.12”, -0.03” / +0.19”, -0.03”	+3.2 mm, -0.8 mm / +4.8 mm, -1.6 mm

ASME B16.5 Flange

Get a Price

Request a quote for this item

Specify the grade, size, quantity and governing standard, and we'll confirm stock and pricing — typically within the same working day.

Request a Quote for ASME B16.5 Flange

Contact

Send us the spec

Grade, form, size and quantity — that's all we need to confirm stock and quote. Reach us directly, or use the form below.

Enquiry FormReply same working day

Direct Contact

Head Office

Shop No. 5, Ravi Estate, Keval Kantha Road, Near Gujarat Bottling Road, Industrial Area, Rakhial, Ahmedabad, Gujarat – 380023, India

Phone / WhatsApp

+91 93240 06771

exportompmo@gmail.com

Working Hours

Monday – Saturday8:00 AM – 8:00 PM

SundayClosed