ASME B16.5 Flange and ANSI B16 5 Class 150/ 300 Flanges Dimensions

ANSI B16 5 Long Weld Neck Flange and Class 150 Blind Flanges Manufacturer in india

ASME or American Society of Mechanical Engineers is a global engineering association that sets standards in multiple disciplines. These standards are used by manufacturers and buyers across the world for the manufacture as well as the purchase of an ASME B16.5 Flange. Similar to most standards and specifications, the details covered here include various parameters including the type of material used right down to the size of the bolts to fasten the material. This standard covers both forged as well as cast Asme B16 5 Class 300 Flange.

The benefits of using cast steel include better design and weight flexibility, reliability, and cast flange are often considered to be economical. On the other hand, forging the alloys improves the mechanical characteristics of the Ansi B16.5 Class 150 Flanges. The material has better resistance to fatigue and its impact resistance is improved. Forging the alloy makes it ductile, and the end resultant Asme B16.5 Long Welding Neck Flange has a grain flow that is more refined and follows the shape of this flange. The ASME B16.5 also covers the temperature and pressure ratings. Most steel and stainless steel alloys can bear moderate to high heat levels without losing their mechanical property. However, the pressure bearing capacity of any ANSI B16.5 Flanges would depend on factors such as its pressure rating, the flow of media, its design, the material used as well as the conditions where they are employed in. To maximize the efficiency of a flange, it is important to look into all these factors. For instance, sealing off a flow is possible using a blind flange. However, the pressure capacity of the Asme B16 5 Tapped Blind Flange would also be determined by how strong the material is.

PDO Approved B16 5 Slip on Flange Manufacturer and Supplier in Mumbai, Check Asme B16 5 Class 300 Flange Dimensions and Sizes In Mm

Asme B16.5 Flange Standard Specification
Various Types Of Ansi B16 5 Class 300 Flange
Asme B16 5 Class 150 Flange Dimensions In Mm
Ansi B16 5 Class 300 Dimensions
Asme B16 5 Blind Flange Class 400 Dimensions Chart
Asme B16 5 600 Flange Dimensions
B16.5 Class 900 Flange Dimensions In Mm
Ansi B16 5 Class 1500 Flange Dimensions
Asme B16.5 Flange Class 2500 Dimensions Tolerances
Weight Of B16.5 Flange
Asme B16.5 Flange Pressure Temperature Rating
B16.5 Flange Tolerances
ANSI B16 5 Blind Flange Tolerances
Asme B16.5 Flange Thickness

Asme B16.5 Flange Standard Specification

Manufacturer and supplier of Ansi B16.5 Class 600 Flanges in India, Check ASME B16.5 Weld Neck Flange Material Thickness and Weights In Kg

Material Specification Of	ASME B16.5 Flange
Standard Cover	materials, pressure ratings & temperature ratings, marking, dimensions, weight, tolerances, testing
Thickness	NPS (Nominal Pipe Size) ≤ 18
Size Chart	NPS(Normal Pipe Size) 1/2 to NPS 24 inches
Low Temperature	Above -29 Degree C (−20°F)
Bore Diameter	NPS (Normal Pipe) ≤ 10
Flange Standards	ASME B16.47 type A, EN 1092-1, JIS, ASME B16.5, UNI, DIN
Pressure Rating	Class 150 To Class 2500 LBS
High Temperature	Above 200°C (400°F) For Class 150LB Or Above 400°C (750°F)
Common Types Of	Slip On, Socket Weld, Weld Neck, Lap Joint, Blind, Threaded
Bolt Type	high strength bolts medium strength bolts low strength bolts
European Standard Flange	JIS B2220 Flange 5k to 30k and KS1503 flange
Russian-Standard Flange	UNI, GOST 12820 & 12821-80, DIN, EN 1092-1
South African Standard Flange	SANS flange & SABS flange
Surface Finish	concentric serrated, smooth, stock
Flange Gaskets Types	Flat Ring Gasket Full Face Gasket Metallic Ring Gakset
Flange Face Type	Small Male-Female, Lap-Joint Face, Raised Face, Ring Type Joint, Flat Face, Small Tongue, Large Male-Female, Large Tongue & Groove Flange manufacturer and Supplier
Flange Marking	All are marked as follows: Supplier or Manufacturer’s Name, Size, Class, Bore, Dimension, Material, Heat No. Or according to the customer’s request.

Various Types Of Ansi B16 5 Class 300 Flange

Asme B16.5 Flange Types

Ansi B16 5 Flange

Asme B16 5 Flange

Asme B16 5 Tapped Blind Flange

Ansi B16.5 300lbs Wn Flange

Asme B16.5 2 1/2 inch Stainless Steel Blind Flange

Asme B16.5 2 1/2" Stainless Steel Blind Flange

Asme B16.5 Forged Bl Rf Blind Large Diameter Stainless Steel Flange

Class 300, 600, 900, 1500 Asme B16.5 Blind Flange

Asme B16.5 6inch Class 1500 Blind Flange

Asme B16.5 Class 150 Stainless Steel Socket Weld Round Flange

2 Inch Blind Flange Class 1500 Asme B16.5

B16.5 Class 1500 Rf Carbon Steel Threaded Flange

Ansi B16.5 Class 150 Flange

Asme B16.5 Stainless Steel Threaded Flange

6 inch Wn #1500, Sch160 Asme B16.5 Flange

6" Wn #1500, Sch160 Asme B16.5 Flange

Ansi B16.5 Forged Class 150 Welding Neck Flange

4 Inch Astm B16.5 1500# Blind Flange

Ansi B16.5 Stainless Steel Welding Flange

Ansi B16.5 Spectacle Blind Flange

Asme B16.5 Carbon Steel Plate Flat Flange

Asme B16.5 4 inch Sch 120 Class 1500# Flange

Asme B16.5 4" Sch 120 Class 1500# Flange

Asme B16.5 Long Welding Neck Flange

Asme B16 5 Class 150 Flange Dimensions In Mm

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Diameter (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore Inner Diameter (SB)	Weld neck Bore Inner Diameter (WB)	Diameter Hub Base (HB)	Diameter of Hub Top (HT)	SO LTH (SL)	WN LTH (WL)
2	6.00	0.69	3.62	4	0.75	4.75	2.44	2.07	3.06	2.38	0.94	2.44
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
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
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
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
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
3	7.50	0.88	5.00	4	0.75	6.00	3.57	3.07	4.25	3.50	1.12	2.69
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
24	32.00	1.81	27.25	20	1.38	29.50	24.25	23.25	26.12	24.00	3.19	5.94
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
10	16.00	1.12	12.75	12	1.00	14.25	10.88	10.02	12.00	10.75	1.88	3.94
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

Ansi B16 5 Class 300 Dimensions

Finding Ansi B16 5 Class 900 Flanges Supplier in India? Buy directly Asme B16 5 Tapped Blind Flange manufacturers in Mumbai, View AISI B16 5 Socket Weld Flange rating and B16.5 Plate Flanges Updated Price list

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Diameter (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore Inner Diameter (SB)	Weld neck Bore Inner Diameter (WB)	Diameter Hub Base (HB)	Diameter of Hub Top (HT)	SO LTH (SL)	WN LTH (WL)
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
3⁄4	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
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
2	6.50	0.81	3.62	8	0.75	5.00	2.44	2.07	3.31	2.38	1.25	2.69
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
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
24	36.00	2.69	27.62	24	1.63	32.00	24.25	23.25	27.62	24.00	4.13	6.56
16	25.50	2.19	18.50	20	1.38	22.50	16.16	15.25	19.00	16.00	3.19	5.69
6	12.50	1.38	8.50	12	0.88	10.62	6.72	6.07	8.12	6.63	2.00	3.82
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

Asme B16 5 Blind Flange Class 400 Dimensions Chart

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Diameter (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore Inner Diameter (SB)	Weld neck Bore Inner Diameter (WB)	Diameter Hub Base (HB)	Diameter of Hub Top (HT)	SO LTH (SL)	WN LTH (WL)
21⁄2	7.50	1.12	4.12	8	0.88	5.88	2.94	3.94	2.88	1.62	3.12	*
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	*
1⁄2	3.75	0.56	1.38	4	0.63	2.62	0.88	1.5	0.84	0.88	2.06	*
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	*
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	10.00	1.38	6.19	8	1.00	7.88	4.57	5.75	4.50	2.00	3.50	*
5	11.00	1.50	7.31	8	1.00	9.25	5.66	7.00	5.56	2.12	4.00	*
6	12.50	1.62	8.50	12	1.00	10.62	6.72	8.12	6.63	2.25	4.06	*
10	17.50	2.12	12.75	16	1.25	15.25	10.88	12.62	10.75	2.88	4.88	*
12	20.50	2.25	15.00	16	1.38	17.75	12.88	14.75	12.75	3.12	5.38	*
14	23.00	2.38	16.25	20	1.38	20.25	14.14	16.75	14.00	3.31	5.88	*
16	25.50	2.50	18.50	20	1.50	22.50	16.16	19.00	16.00	3.69	6.00	*
8	15.00	1.88	10.62	12	1.12	13.00	8.72	10.25	8.63	2.69	4.62	*
18	28.00	2.62	21.00	24	1.50	24.75	18.18	21.00	18.00	3.88	6.50	*
20	30.50	2.75	23.12	24	1.62	27.00	20.20	23.12	20.00	4.00	6.62	*
24	36.00	3.00	27.25	24	1.88	32.00	24.25	27.62	24.00	4.50	6.88	*
22	33.00	2.88	25.25	24	1.75	29.25	22.22	25.25	22.00	4.25	6.75	*

Asme B16 5 600 Flange Dimensions

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Diameter (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore Inner Diameter (SB)	Weld neck Bore Inner Diameter (WB)	Diameter Hub Base (HB)	Diameter of Hub Top (HT)	SO LTH (SL)	WN LTH (WL)
11⁄4	5.25	0.81	2.50	4	0.75	3.88	1.70	2.50	1.66	1.12	2.62	*
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	*
1⁄2	3.75	0.56	1.38	4	0.63	2.62	0.88	1.50	0.84	0.88	2.06	*
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	*
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	*
3	8.25	1.25	5.00	8	0.88	6.62	3.57	4.62	3.50	1.81	3.25	*
6	14.00	1.88	8.50	12	1.12	11.50	6.72	8.75	6.63	2.62	4.62	*
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	*
24	37.00	4.00	27.25	24	2.00	33.00	24.25	28.25	24.00	5.50	8.00	*
8	16.50	2.19	10.62	12	1.25	13.75	8.72	10.75	8.63	3.00	5.25	*
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	*

B16.5 Class 900 Flange Dimensions In Mm

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Diameter (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore Inner Diameter (SB)	Weld neck Bore Inner Diameter (WB)	Diameter Hub Base (HB)	Diameter of 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
12	24.00	3.12	15.00	20	1.50	21.00	12.88	*	16.50	12.75	4.63	7.88
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
4	11.50	1.75	6.19	8	1.25	9.25	4.57	*	6.25	4.50	2.75	4.50
10	21.50	2.75	12.75	16	1.50	18.50	10.88	*	14.50	10.75	4.25	7.25
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
24	41.00	5.50	27.25	20	2.63	35.50	24.25	*	29.50	24.00	8.00	11.50
20	33.75	4.25	23.00	20	2.13	29.50	20.20	*	24.50	20.00	6.25	9.75

Ansi B16 5 Class 1500 Flange Dimensions

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Diameter (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore Inner Diameter (SB)	Weld neck Bore Inner Diameter (WB)	Diameter Hub Base (HB)	Diameter of Hub Top (HT)	SO LTH (SL)	WN LTH (WL)
2	8.50	1.50	3.63	8	1.00	6.50	2.44	4.12	2.38	2.25	4.00	*
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	*
1⁄2	4.75	0.88	1.38	4	0.88	3.25	0.88	1.50	0.84	1.25	2.38	*
11⁄2	7.00	1.25	2.88	4	1.12	4.88	1.95	2.75	1.90	1.75	3.25	*
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	*
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	*
8	19.00	3.62	10.63	12	1.75	15.50	–	11.50	8.63	–	8.38	*
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	*
24	46.00	8.00	27.25	16	3.63	39.00	–	30.00	24.00	–	16.00	*
20	38.75	7.00	23.00	16	3.12	32.75	–	25.25	20.00	–	14.00	*

Asme B16.5 Flange Class 2500 Dimensions Tolerances

Buy from ASME B16.5 Lap Joint Flanges manufacturers in India for better price and quality, Check ANSI B16.5 Threaded Flange Pressure Rating, B16 5 Ring Type Joint Flange Dimensions Tolerances

Nominal Size	Outside Diameter (OD)	Minimum Thickness (T)	RF Diameter (R)	Number of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore Inner Diameter (SB)	Weld neck Bore Inner Diameter (WB)	Diameter Hub Base (HB)	Diameter of Hub Top (HT)	SO LTH (SL)
1⁄2	5.25	1.19	1.38	4	0.88	3.50	1.69	0.84	1.56	2.88	*
3⁄4	5.50	1.25	1.69	4	0.88	3.75	2.00	1.05	1.69	3.12	*
11⁄4	7.25	1.50	2.50	4	1.12	5.13	2.88	1.66	2.06	3.75	*
11⁄2	8.00	1.75	2.88	4	1.25	5.75	3.12	1.90	2.38	4.38	*
2	9.25	2.00	3.63	8	1.12	6.75	3.75	2.38	2.75	5.00	*
12	30.00	7.25	15.00	12	2.88	24.38	17.38	12.75	–	18.25	*
1	6.25	1.38	2.00	4	1.00	4.25	2.25	1.32	1.88	3.50	*
21⁄2	10.50	2.25	4.13	8	1.25	7.75	4.50	2.88	3.12	5.62	*
10	26.50	6.50	12.75	12	2.63	21.25	14.75	10.75	–	16.50	*
4	14.00	3.00	6.19	8	1.63	10.75	6.50	4.50	–	7.50	*
5	16.50	3.62	7.31	8	1.88	12.75	8.00	5.56	–	9.00	*
6	19.00	4.25	8.50	8	2.12	14.50	9.25	6.63	–	10.75	*
3	12.00	2.62	5.00	8	1.38	9.00	5.25	3.50	–	6.62	*
8	21.75	5.00	10.63	12	2.12	17.25	12.00	8.63	–	12.50	*

Weight Of B16.5 Flange

Nominal Pipe Sizes (NPS)	Slip On (SORF)	Threaded (NPT)	Socket Weld (SWRF)	Lap Joint (Loose)	Blind (BLRF)	Weld Neck (WRNR)
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

Asme B16.5 Flange Pressure Temperature Rating

ANSI	150 LBS	300 LBS	400 LBS	600 LBS	900 LBS	1500 LBS	2500 LBS
-20 to 100	285	740	985	1480	2220	3705	6170
200	260	680	905	1360	2035	3395	5655
400	200	635	845	1265	1900	3170	5280
500	170	605	805	1205	1810	3015	5025
850	65	320	425	535	640	955	2655
1000	20	85	115	170	255	430	715
600	140	570	755	1135	1705	2840	4730
650	125	550	730	1100	1650	2745	4575
700	110	530	710	1060	1590	2655	4425
300	230	655	870	1310	1965	3270	5450
750	95	505	675	1015	1520	2535	4230
800	80	410	550	825	1235	2055	3430
900	50	230	305	460	690	1150	1915
950	35	135	185	275	410	685	1145

B16.5 Flange Tolerances

Dimension	Flange	Tolerance
A	Outside Diameter	When Outside Diameter is 24 inch or less: ±1/16 inch (1.6mm) When Outside Diameter is over 24": ±1/8" (3.2mm)
D	Inside Diameter	10" and smaller: ±1/32" (0.8mm) 12" thru 18": +1/8" (3.2mm) 20" and larger: -1/16" (1.6mm)
B	Diameter of contact face	1/16" raised face: ±1/32" (0.8mm) 1/4" Raised Face, Tongue & Groove: ±1/64" (0.4mm)
J	Diameter of hub at base	When hub base is 24" or smaller: ±1/16" (1.6mm) When hub base is over 24": ±1/8" (3.2mm)
H	Diameter of hub at point of welding	5" and smaller: +3/32" (2.4mm), -1/32" (0.8mm) 6" and larger: +5/32" (4.0mm), -1/32 (0.8mm)
P	Drilling	Bolt circle: ±1/16" (1.6mm) Bolt hole spacing: ±1/32" (0.8mm)
	Eccentricity of bolt circle with respect to facing	2 1/2" and smaller ±1/32" (0.8mm) max. 3" and larger ±1/16" (1.6mm) max.
C	Thickness	18" and smaller: ±1/8" (3.2mm), -0" 20" and larger: ±3/16" (4.8mm), -0"
K	Length of hub	10" and smaller: ±1/16" (1.6mm) 12" and larger: ±1/8" (3.2mm)

ANSI B16 5 Blind Flange Tolerances

Dimension	Flange	Tolerance
A	Outside Diameter	When Outside Diameter is 24 Inch or less: ±1/16 Inch (1.6mm) When O.D. is over 24": ±1/8 Inch (3.2mm)
D	Inside Diameter	Threaded: within limits of boring gauge Lap Joint, Slip-on, Socket 10 Inch and smaller: ±1/32 Inch (0.8mm), 0 inch 12 Inch and larger: -1/16 Inch (1.6mm), 0 inch
B	Diameter of contact face	1/16 Inch raised face: ±1/32 Inch (0.8mm) 1/4 Inch Raised Face, Tongue & Groove (male & female): ±1/64 Inch (0.4mm)
E, F, S	Diameter of bore	Threaded (S): within limits of boring gauge Lap Joint (F), Slip-on (E), Socket (E) 10 Inch and smaller: ±1/32 Inch (0.8mm), 0 inch 12 Inch and larger: -1/16 Inch (1.6mm), 0 inch
P	Drilling	Bolt circle: ±1/16 Inch (1.6mm) Bolt hole spacing: ±1/32 Inch (0.8mm) Eccentricity of bolt circle with respect to facing 2 1/2 Inch and smaller ±1/32 Inch (0.8mm) max. 3 Inch and larger ±1/16 Inch (1.6mm) max.
C	Thickness	18 Inch and smaller: ±1/8 Inch (3.2mm), -0 inch 20 Inch and larger: ±3/16 Inch (4.8mm), -0 inch
L, M	Length of hub	18 Inch and smaller: ±1/8 Inch (3.2mm), ±1/32 Inch (0.8mm) 20 Inch and larger: ±3/16 Inch (4.8mm), ±1/16 Inch (1.6mm)

Asme B16.5 Flange Thickness

NPS (Normal Pipe Sizes)	Outside Daimeter (O.D.)	SCH 10	SCH 20	SCH 30	STD Wall	SCH 40	SCH 60	EXT Hvy	SCH 80	SCH 100	SCH 120	SCH 140	SCH 160	XX Hvy
½	0.84	0.083	...	...	0.109	0.109	...	0.147	0.147	...	...	...	0.188	0.294
¾	1.05	0.083	...	...	0.113	0.113	...	0.154	0.154	...	...	...	0.219	0.308
1 ¼	1.66	0.109	...	...	0.14	0.14	...	0.191	0.191	...	...	...	0.25	0.382
1 ½	1.9	0.109	...	...	0.145	0.145	...	0.2	0.2	...	...	...	0.281	0.4
2	2.375	0.109	...	...	0.154	0.154	...	0.218	0.218	...	...	...	0.344	0.436
1	1.315	0.109	...	...	0.133	0.133	...	0.179	0.179	...	...	...	0.25	0.358
2 ½	2.875	0.12	...	...	0.203	0.203	...	0.276	0.276	...	...	...	0.375	0.552
3	3.5	0.12	...	...	0.216	0.216	...	0.3	0.3	...	...	...	0.438	0.6
4	4.5	0.12	...	...	0.237	0.237	...	0.337	0.337	...	0.438	...	0.531	0.674
5	5.563	0.134	...	...	0.258	0.258	...	0.375	0.375	...	0.5	...	0.625	0.75
6	6.625	0.134	...	...	0.28	0.28	...	0.432	0.432	...	0.562	...	0.719	0.864
8	8.625	0.148	0.25	0.277	0.322	0.322	0.406	0.5	0.5	0.594	0.719	0.812	0.906	0.875
3 ½	4	0.12	...	...	0.226	0.226	...	0.318	0.318	...	...	...	...	0.636
10	10.75	0.165	0.25	0.307	0.365	0.365	0.5	0.5	0.594	0.719	0.844	1	1.125	1
12	12.75	0.18	0.25	0.33	0.375	0.406	0.562	0.5	0.688	0.844	1	1.125	1.312	1
14	14	0.25	0.312	0.375	0.375	0.438	0.594	0.5	0.75	0.938	1.094	1.25	1.406	...
16	16	0.25	0.312	0.375	0.375	0.5	0.656	0.5	0.844	1.031	1.219	1.438	1.594	...
20	20	0.25	0.375	0.5	0.375	0.594	0.812	0.5	1.031	1.281	1.5	1.75	1.969	...
22	22	0.25	...	...	0.375	...	...	0.5	...	...	....	....	....	....
24	24	0.25	0.375	0.562	0.375	0.688	0.969	0.5	1.219	1.531	1.812	2.062	2.344	....
26	26	....	....	....	0.375	....	....	0.5	....	....	....	....	....	....
30	30	0.312	0.5	0.625	0.375	....	....	0.5	....	....	....	....	....	....
36	36	0.312	0.5	0.625	0.375	0.75	....	0.5	....	....	....	....	....	....
40	40	....	....	....	0.375	....	....	0.5	....	....	....	....	....	....
18	18	0.25	0.312	0.438	0.375	0.562	0.75	0.5	0.938	1.156	1.375	1.562	1.781	...
42	42	……..	……..	……..	0.375	……..	……..	0.5	……..	……..	……..	……..	……..	……..
48	48	……..	……..	……..	0.375	……..	……..	0.5	……..	……..	……..	……..	……..	……..

ASME B16.5 Flange