ANSI B16.5, ASME B16.47 Forged Flange Manufacturers, Supplier

ASME B16.47 Forged Flanges Manufacturers and Suppliers:

A Forged Flange is a type of flange that is produced through a process of forging, which involves shaping a piece of metal using compressive forces. This process results in a flange that is stronger and more durable than flanges made through other manufacturing methods.

Forged flanges are commonly used in high-pressure and high-temperature applications, such as oil and gas pipelines, chemical processing plants, and power generation facilities.

ISO Approved ANSI B16.5 Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500 Forged Flanges Manufacturer In India, BS10 Forged Flange, AWWA C207 Forged Flange, EN 1092-1 Forged Flange, Series A and Series B Forged Flange Dimensions Chart, Tolerances, Weight Chart, Thickness Chart, Cad Drawing Forged Flange

Standard Specifications Flanges Types Material Comparison Applications Dimensions Weight Chart Tolerance

ADCO Forge and Fittings is a manufacturer of high-quality forged flanges. state-of-the-art manufacturing facility equipped with advanced forging equipment and experienced personnel, allowing to produce flanges in various sizes, shapes, and materials. We committed to providing superior products and exceptional customer service to meet the needs of our clients. We have a reputation for producing high-quality forged flanges that meet or exceed industry standards, making a trusted supplier to a wide range of industries, including oil and gas, chemical, and power generation.

They are available in a variety of sizes, shapes, and materials, including carbon steel, stainless steel, and alloy steel. The most common types of forged flanges include slip-on flanges, weld neck flanges, socket weld flanges, and blind flanges.

Forged Flanges Standard Specifications

Standards

ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN, JIS, SABS1123, GOST-12820

Form

SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle

BS/JIS

BS4504 , BS4504, BS1560, BS10,5K, 10K, 16K, 20K, 30K, 40K, 63K

Face Type

Flat Face (FF), Raise Face (RF), Ring Joint (RJT)

Dimensions

ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Size Range (inches)

From ½” (15 NB) to 48″ (1200NB)

Class

150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40.

Connection Type

RTJ, Lap-Joint Face, Raised Face, Flat Face, Large Male-Female, Small Male-Female, Large, Tongue & Groove, Small Tongue & Groove

Forged Flanges in Stainless Steel 304/304L, SS 316/316L, SS 904L, Alloy 20, Carbon Steel, Nickel 200, Monel, Inconel, Hastelloy C22, Duplex Steel 2205, Titanium, Copper Nickel, SMO 254, Aluminum, Galvanized, MS Forged Flange. Get best Price List.

ASME B16.47 Flanges Types

If you are looking for ASME B16.47 Pipe Flanges types, weight chart, size chart, tolerance, and dimensions with drawings then kindly click the below-mentioned forms of Flanges as per your requirements to get the complete details. For the quick quote / price list click here.

ASME B16.5 Forged Flanges Material Grades

Stainless Steel Forged Flange:	ASTM A182 F304, F304H, F304L, F304N, F304LN, F309H, F310, F310H, F310MoLN, F316, F316H, F316L, F316N, F316LN, F316Ti, F317, F317L, F321, F321H, F347, F347H, F348, F348H, 904L
Carbon Steel Forged Flange:	ASTM A105 A53, A106, API 5L
Low Temperature Carbon Steel Forged Flange:	ASTM A350 LF1, LF2, LF3
High Yield Carbon Steel Forged Flange:	ASTM A694 F42, F52, F60, F65
Alloy Steel Forged Flange:	ASTM A182 F5, F9, F11, F22, F1, F5/F5a, F91
Duplex & Super Duplex Forged Flange:	ASTM A182, ASME SA182 Duplex 2205 (UNS S31803 – UNS S32205), Super Duplex 2507 (UNS S32750 – UNS S32760)
Nickel Alloy Forged Flange:	ASTM / ASME SB B160 / B166 / B564 / B425/ B564 UNS 2200 ( NICKEL 200 ), UNS 2201 (NICKEL 201 ), UNS 4400 (MONEL 400 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C276 ), Cupro Nickel 90/10 ( C70600, 2.0872 ), 70/30 ( C71500, 2.0882)
Other Steel Forged Flange:	ASTM B381 Titanium Grade 2 ( R50400, 3.7035 ), Titanium Grade 5 ( N56400, 3.7165 ), ASTM B462 Alloy 20, ASTM A182 SMO 254/AL-6XN ( S31254, 1.4547 ), AISI 4130 ( G41300, 1.7218 )

ANSI B16.5 Forged Flanges Dimensions

ASME B16.5 Forged Flange - Dimensions

Dimensions of Class 150 Forged Flanges as per ANSI B16.5

NPS	O	T	TJ	R	X	#/Dia of Holesa	Bolt Circle Dia	B	B2b	B3	H	L	L2	L3c	r	D	Thr
½	3.50	0.38	0.44	1.38	1.19	4-0.62	2.38	0.88	0.62	0.90	0.84	0.56	1.81	0.62	0.12	0.38	0.62
¾	3.88	0.44	0.50	1.69	1.50	4-0.62	2.75	1.09	0.82	1.11	1.05	0.56	2.00	0.62	0.12	0.44	0.62
1	4.25	0.50	0.56	2.00	1.94	4-0.62	3.12	1.36	1.05	1.38	1.32	0.62	2.12	0.69	0.12	0.50	0.69
1¼	4.62	0.56	0.62	2.50	2.31	4-0.62	3.50	1.70	1.38	1.72	1.66	0.75	2.19	0.81	0.19	0.56	0.81
1½	5.00	0.62	0.69	2.88	2.56	4-0.62	3.88	1.95	1.61	1.97	1.90	0.81	2.38	0.88	0.25	0.62	0.88
2	6.00	0.69	0.75	3.62	3.06	4-0.75	4.75	2.44	2.07	2.46	2.38	0.94	2.44	1.00	0.31	0.69	1.00
2½	7.00	0.81	0.88	4.12	3.56	4-0.75	5.50	2.94	2.47	2.97	2.88	1.06	2.69	1.12	0.31	0.75	1.12
3	7.50	0.88	0.94	5.00	4.25	4-0.75	6.00	3.57	3.07	3.60	3.50	1.12	2.69	1.19	0.38	0.81	1.19
3½	8.50	0.88	0.94	5.50	4.81	8-0.75	7.00	4.07	3.55	4.10	4.00	1.19	2.75	1.25	0.38	0.88	1.25
4	9.00	0.88	0.94	6.19	5.31	8-0.75	7.50	4.57	4.03	4.60	4.50	1.25	2.94	1.31	0.44	0.94	1.31
5	10.00	0.88	0.94	7.31	6.44	8-0.88	8.50	5.66	5.05	5.69	5.56	1.38	3.44	1.44	0.44	0.94	1.44
6	11.00	0.94	1.00	8.50	7.56	8-0.88	9.50	6.72	6.07	6.75	6.63	1.50	3.44	1.56	0.50	1.06	1.56
8	13.50	1.06	1.12	10.62	9.69	8-0.88	11.75	8.72	7.98	8.75	8.63	1.69	3.94	1.75	0.50	1.25	1.75
10	16.00	1.12	1.19	12.75	12.00	12-1.00	14.25	10.88	10.02	10.92	10.75	1.88	3.94	1.94	0.50	1.31	1.94
12	19.00	1.19	1.25	15.00	14.38	12-1.00	17.00	12.88	12.00	12.92	12.75	2.12	4.44	2.19	0.50	1.56	2.19
14	21.00	1.31	1.38	16.25	15.75	12-1.12	18.75	14.14	13.25	14.18	14.00	2.19	4.94	3.12	0.50	1.63	2.25
16	23.50	1.38	1.44	18.50	18.00	16-1.12	21.25	16.16	15.25	16.19	16.00	2.44	4.94	3.44	0.50	1.75	2.50
18	25.00	1.50	1.56	21.00	19.88	16-1.25	22.75	18.18	17.25	18.20	18.00	2.62	5.44	3.81	0.50	1.94	2.69
20	27.50	1.62	1.69	23.00	22.00	20-1.25	25.00	20.20	19.25	20.25	20.00	2.81	5.62	4.06	0.50	2.13	2.88
22	29.50	1.75	1.81	25.25	24.25	20-1.38	27.25	22.22	21.25	22.25	22.00	3.07	5.82	4.25	0.50	2.38	3.13
24	32.00	1.81	1.88	27.25	26.12	20-1.38	29.50	24.25	23.25	24.25	24.00	3.19	5.94	4.38	0.50	2.50	3.25

Dimensions of Class 300 Forged Flanges as per ANSI B16.5

NPS	O	T	TJ	R	X	#/Dia of Holesa	Bolt Circle Dia	B	B2b	B3	H	L	L2	L3c	r	C	D	Thr
½	3.75	0.50	0.56	1.38	1.50	4-0.63	2.62	0.88	0.62	0.90	0.84	0.81	2.00	0.88	0.12	0.93	0.38	0.62
¾	4.62	0.56	0.62	1.69	1.88	4-0.75	3.25	1.09	0.82	1.11	1.05	0.94	2.19	1.00	0.12	1.14	0.44	0.62
1	4.88	0.62	0.69	2.00	2.12	4-0.75	3.50	1.36	1.05	1.38	1.32	1.00	2.38	1.06	0.12	1.41	0.50	0.69
1¼	5.25	0.69	0.75	2.50	2.50	4-0.75	3.88	1.70	1.38	1.72	1.66	1.00	2.50	1.06	0.19	1.75	0.56	0.81
1½	6.12	0.75	0.81	2.88	2.75	4-0.88	4.50	1.95	1.61	1.97	1.90	1.13	2.63	1.19	0.25	1.98	0.62	0.88
2	6.50	0.81	0.88	3.62	3.31	8-0.75	5.00	2.44	2.07	2.46	2.38	1.25	2.69	1.31	0.31	2.50	0.69	1.12
2½	7.50	0.94	1.00	4.12	3.94	8-0.88	5.88	2.94	2.47	2.97	2.88	1.44	2.94	1.50	0.31	3.00	0.75	1.25
3	8.25	1.06	1.12	5.00	4.62	8-0.88	6.62	3.57	3.07	3.60	3.50	1.63	3.06	1.69	0.38	3.63	0.81	1.25
3½	9.00	1.12	1.19	5.50	5.25	8-0.88	7.25	4.07	3.55	4.10	4.00	1.69	3.13	1.75	0.38	4.13	….	1.44
4	10.00	1.19	1.25	6.19	5.75	8-0.88	7.88	4.57	4.03	4.60	4.50	1.82	3.32	1.88	0.44	4.63	….	1.44
5	11.00	1.31	1.38	7.31	7.00	8-0.88	9.25	5.66	5.05	5.69	5.56	1.94	3.82	2.00	0.44	5.69	….	1.69
6	12.50	1.38	1.44	8.50	8.12	12-0.88	10.62	6.72	6.07	6.75	6.63	2.00	3.82	2.06	0.50	6.75	….	1.81
8	15.00	1.56	1.62	10.62	10.25	12-1.00	13.00	8.72	7.98	8.75	8.63	2.38	4.32	2.44	0.50	8.75	….	2.00
10	17.50	1.81	1.88	12.75	12.62	16-1.12	15.25	10.88	10.02	10.92	10.75	2.56	4.56	3.75	0.50	10.88	….	2.19
12	20.50	1.94	2.00	15.00	14.75	16-1.25	17.75	12.88	12.00	12.92	12.75	2.82	5.06	4.00	0.50	12.94	….	2.38
14	23.00	2.06	2.12	16.25	16.75	20-1.25	20.25	14.14	13.25	14.18	14.00	2.94	5.56	4.38	0.50	14.19	….	2.50
16	25.50	2.19	2.25	18.50	19.00	20-1.38	22.50	16.16	15.25	16.19	16.00	3.19	5.69	4.75	0.50	16.19	….	2.69
18	28.00	2.31	2.38	21.00	21.00	24-1.38	24.75	18.18	17.25	18.20	18.00	3.44	6.19	5.12	0.50	18.19	….	2.75
20	30.50	2.44	2.50	23.00	23.12	24-1.38	27.00	20.20	19.25	20.25	20.00	3.69	6.32	5.50	0.50	20.19	….	2.88
22	33.00	2.57	2.63	25.25	25.25	24-1.63	29.25	22.22	21.25	22.25	22.00	3.93	6.43	5.75	0.50	22.19	….	3.13
24	36.00	2.69	2.75	27.25	27.62	24-1.63	32.00	24.25	23.25	24.25	24.00	4.13	6.56	6.00	0.50	24.19	….	3.25

Dimensions of Class 400 Forged Flanges as per ANSI B16.5

NPS	O	T	R	X	#/Dia of Holesa	Bolt Circle Dia	B	B3	H	L	L2	L3c	r	C	D	Thr
½	3.75	0.56	1.38	1.5	4-0.63	2.62	0.88	0.9	0.84	0.88	2.06	0.88	0.12	0.93	0.38	0.62
¾	4.62	0.62	1.69	1.88	4-0.75	3.25	1.09	1.11	1.05	1	2.25	1	0.12	1.14	0.44	0.62
1	4.88	0.69	2	2.12	4-.075	3.5	1.36	1.38	1.32	1.06	2.44	1.06	0.12	1.41	0.5	0.69
1¼	5.25	0.81	2.5	2.5	4-0.75	3.88	1.7	1.72	1.66	1.12	2.62	1.12	0.19	1.75	0.56	0.81
1½	6.12	0.88	2.88	2.75	4-0.88	4.5	1.95	1.97	1.9	1.25	2.75	1.25	0.25	1.99	0.62	0.88
2	6.5	1	3.62	3.31	8-0.75	5	2.44	2.46	2.38	1.44	2.88	1.44	0.31	2.5	0.69	1.12
2½	7.5	1.12	4.12	3.94	8-0.88	5.88	2.94	2.97	2.88	1.62	3.12	1.62	0.31	3	0.75	1.25
3	8.25	1.25	5	4.62	8-0.88	6.62	3.57	3.6	3.5	1.81	3.25	1.81	0.38	3.63	0.81	1.38
3½	9	1.38	5.5	5.25	8-1.00	7.25	4.07	4.1	4	1.94	3.38	1.94	0.38	4.13	….	1.56
4	10	1.38	6.19	5.75	8-1.00	7.88	4.57	4.6	4.5	2	3.5	2	0.44	4.63	….	1.44
5	11	1.5	7.31	7	8-1.00	9.25	5.66	5.69	5.56	2.12	4	2.12	0.44	5.69	….	1.69
6	12.5	1.62	8.5	8.12	12-1.00	10.62	6.72	6.75	6.63	2.25	4.06	2.25	0.5	6.75	….	1.81
8	15	1.88	10.62	10.25	12-1.12	13	8.72	8.75	8.63	2.69	4.62	2.69	0.5	8.75	….	2
10	17.5	2.12	12.75	12.62	16-1.25	15.25	10.88	10.92	10.75	2.88	4.88	4	0.5	10.88	….	2.19
12	20.5	2.25	15	14.75	16-1.38	17.75	12.88	12.92	12.75	3.12	5.38	4.25	0.5	12.94	….	2.38
14	23	2.38	16.25	16.75	20-1.38	20.25	14.14	14.18	14	3.31	5.88	4.62	0.5	14.19	….	2.5
16	25.5	2.5	18.5	19	20-1.50	22.5	16.16	16.19	16	3.69	6	5	0.5	16.19	….	2.69
18	28	2.62	21	21	24-1.50	24.75	18.18	18.2	18	3.88	6.5	5.38	0.5	18.19	….	2.75
20	30.5	2.75	23	23.12	24-1.62	27	20.2	20.25	20	4	6.62	5.75	0.5	20.19	….	2.88
22	33	2.88	25.25	25.25	24-1.75	29.25	22.22	22.25	22	4.25	6.75	6	0.5	….	….	—
24	36	3	27.25	27.62	24-1.88	32	24.25	24.25	24	4.5	6.88	6.25	0.5	24.19	….	3.25

Dimensions of Class 600 Forged Flanges as per ANSI B16.5

Nom. Pipe Size	O	T	R	X	#/Dia of Holesa	Bolt Circle Dia	B	B3	H	L	L2	L3c	r	C	D	Thr
½	3.75	0.56	1.38	1.5	4-0.63	2.62	0.88	0.9	0.84	0.88	2.06	0.88	0.12	0.93	0.38	0.62
¾	4.62	0.62	1.69	1.88	4-0.75	3.25	1.09	1.11	1.05	1	2.25	1	0.12	1.14	0.44	0.62
1	4.88	0.69	2	2.12	4-0.75	3.5	1.36	1.38	1.32	1.06	2.44	1.06	0.12	1.41	0.5	0.69
1¼	5.25	0.81	2.5	2.5	4-0.75	3.88	1.7	1.72	1.66	1.12	2.62	1.12	0.19	1.75	0.56	0.81
1½	6.12	0.88	2.88	2.75	4-0.88	4.5	1.95	1.97	1.9	1.25	2.75	1.25	0.25	1.99	0.62	0.88
2	6.5	1	3.62	3.31	8-0.75	5	2.44	2.46	2.38	1.44	2.88	1.44	0.31	2.5	0.69	1.12
2½	7.5	1.12	4.12	3.94	8-0.88	5.88	2.94	2.97	2.88	1.62	3.12	1.62	0.31	3	0.75	1.25
3	8.25	1.25	5	4.62	8-0.88	6.62	3.57	3.6	3.5	1.81	3.25	1.81	0.38	3.63	0.81	1.38
3½	9	1.38	5.5	5.25	8-1.00	7.25	4.07	4.1	4	1.94	3.38	1.94	0.38	4.13	….	1.56
4	10.75	1.5	6.19	6	8-1.00	8.5	4.57	4.6	4.5	2.12	4	2.12	0.44	4.63	….	1.62
5	13	1.75	7.31	7.44	8-1.12	10.5	5.66	5.69	5.56	2.38	4.5	2.38	0.44	5.69	….	1.88
6	14	1.88	8.5	8.75	12-1.12	11.5	6.72	6.75	6.63	2.62	4.62	2.62	0.5	6.75	….	2
8	16.5	2.19	10.62	10.75	12-1.25	13.75	8.72	8.75	8.63	3	5.25	3	0.5	8.75	….	2.25
10	20	2.5	12.75	13.5	16-1.38	17	10.88	10.92	10.75	3.38	6	4.38	0.5	10.88	….	2.56
12	22	2.62	15	15.75	20-1.38	19.25	12.88	12.92	12.75	3.62	6.12	4.62	0.5	12.94	….	2.75
14	23.75	2.75	16.25	17	20-1.50	20.75	14.14	14.18	14	3.69	6.5	5	0.5	14.19	….	2.88
16	27	3	18.5	19.5	20-1.63	23.75	16.16	16.19	16	4.19	7	5.5	0.5	16.19	….	3.06
18	29.25	3.25	21	21.5	20-1.75	25.75	18.18	18.2	18	4.62	7.25	6	0.5	18.19	….	3.12
20	32	3.5	23	24	24-1.75	28.5	20.2	20.25	20	5	7.5	6.5	0.5	20.19	….	3.25
22	34.25	3.75	25.25	26.25	24-1.75	30.63	22.22	22.25	22	5.25	7.75	6.88	0.5	….	….	—
24	37	4	27.25	28.25	24-2.00	33	24.25	24.25	24	5.5	8	7.25	0.5	24.19	….	3.62

Dimensions of Class 900 Forged Flanges as per ANSI B16.5

NPS	O	T	R	X	#/Dia of Holesa	Bolt Circle Dia	B	B3	H	L	L2	L3c	r	C	Thr
Sizes 1/2″ through 2 1/2″ are identical to class 1500.
3	9.5	1.5	5	5	8-1.00	7.5	3.57	3.6	3.5	2.12	4	2.12	0.38	3.63	1.62
4	11.5	1.75	6.19	6.25	8-1.25	9.25	4.57	4.6	4.5	2.75	4.5	2.75	0.44	4.63	1.88
5	13.75	2	7.31	7.5	8-1.38	11	5.66	5.69	5.56	3.12	5	3.12	0.44	5.69	2.12
6	15	2.19	8.5	9.25	12-1.25	12.5	6.72	6.75	6.63	3.38	5.5	3.38	0.5	6.75	2.25
8	18.5	2.5	10.63	11.75	12-1.50	15.5	8.72	8.75	8.63	4	6.38	4.5	0.5	8.75	2.5
10	21.5	2.75	12.75	14.5	16-1.50	18.5	10.88	10.92	10.75	4.25	7.25	5	0.5	10.88	2.81
12	24	3.12	15	16.5	20-1.50	21	12.88	12.92	12.75	4.63	7.88	5.62	0.5	12.94	3
14	25.25	3.38	16.25	17.75	20-1.63	22	14.14	14.18	14	5.12	8.38	6.12	0.5	14.19	3.25
16	27.75	3.5	18.5	20	20-1.75	24.25	16.16	16.19	16	5.25	8.5	6.5	0.5	16.19	3.38
18	31	4	21	22.25	20-2.00	27	18.18	18.2	18	6	9	7.5	0.5	18.19	3.5
20	33.75	4.25	23	24.5	20-2.13	29.5	20.2	20.25	20	6.25	9.75	8.25	0.5	20.19	3.62
24	41	5.5	27.25	29.5	20-2.63	35.5	24.25	24.25	24	8	11.5	10.5	0.5	24.19	4

Dimensions of Class 1500 Forged Flanges as per ANSI B16.5

NPS	O	T	R	X	#/Dia of Holesa	Bolt Circle Dia	B	B3	H	L	L2	L3c	r	C	D	Thr
½	4.75	0.88	1.38	1.5	4-0.88	3.25	0.88	0.9	0.84	1.25	2.38	1.25	0.12	0.93	0.38	0.88
¾	5.12	1	1.69	1.75	4-0.88	3.5	1.09	1.11	1.05	1.38	2.75	1.38	0.12	1.14	0.44	1
1	5.88	1.12	2	2.06	4-1.00	4	1.36	1.38	1.32	1.62	2.88	1.62	0.12	1.41	0.5	1.12
1¼	6.25	1.12	2.5	2.5	4-1.00	4.38	1.7	1.72	1.66	1.62	2.88	1.62	0.19	1.75	0.56	1.19
1½	7	1.25	2.88	2.75	4-1.12	4.88	1.95	1.97	1.9	1.75	3.25	1.75	0.25	1.99	0.62	1.25
2	8.5	1.5	3.63	4.12	8-1.00	6.5	2.44	2.46	2.38	2.25	4	2.25	0.31	2.5	0.69	1.5
2½	9.62	1.62	4.13	4.88	8-1.12	7.5	2.94	2.97	2.88	2.5	4.12	2.5	0.31	3	0.75	1.88
3	10.5	1.88	5	5.25	8-1.25	8	….	3.6	3.5	….	4.62	2.88	0.38	….	….	….
4	12.25	2.12	6.19	6.38	8-1.38	9.5	….	4.6	4.5	….	4.88	3.56	0.44	….	….	….
5	14.75	2.88	7.31	7.75	8-1.63	11.5	….	5.69	5.56	….	6.12	4.12	0.44	….	….	….
6	15.5	3.25	8.5	9	12-1.50	12.5	….	6.75	6.63	….	6.75	4.69	0.5	….	….	….
8	19	3.62	10.63	11.5	12-1.75	15.5	….	8.75	8.63	….	8.38	5.62	0.5	….	….	….
10	23	4.25	12.75	14.5	12-2.00	19	….	10.92	10.75	….	10	7	0.5	….	….	….
12	26.5	4.88	15	17.75	16-2.12	22.5	….	12.92	12.75	….	11.12	8.62	0.5	….	….	….
14	29.5	5.25	16.25	19.5	16-2.38	25	….	14.18	14	….	11.75	9.5	0.5	….	….	….
16	32.5	5.75	18.5	21.75	16-2.63	27.75	….	16.19	16	….	12.25	10.25	0.5	….	….	….
18	36	6.38	21	23.5	16-2.88	30.5	….	18.2	18	….	12.88	10.88	0.5	….	….	….
20	38.75	7	23	25.25	16-3.12	32.75	….	20.25	20	….	14	11.5	0.5	….	….	….
24	46	8	27.25	30	16-3.63	39	….	24.25	24	….	16	13	0.5	….	….	….

Dimensions of Class 2500 Forged Flanges as per ANSI B16.5

NPS	O	T	R	X	#/Dia of Holesa	Bolt Circle Dia	B3	H	L	L2	L3	r	C	Thr
½	5.25	1.19	1.38	1.69	4-0.88	3.5	0.9	0.84	1.56	2.88	1.56	0.12	0.93	1.12
¾	5.5	1.25	1.69	2	4-0.88	3.75	1.11	1.05	1.69	3.12	1.69	0.12	1.14	1.25
1	6.25	1.38	2	2.25	4-1.00	4.25	1.38	1.32	1.88	3.5	1.88	0.12	1.41	1.38
1¼	7.25	1.5	2.5	2.88	4-1.12	5.13	1.72	1.66	2.06	3.75	2.06	0.19	1.75	1.5
1½	8	1.75	2.88	3.12	4-1.25	5.75	1.97	1.9	2.38	4.38	2.38	0.25	1.99	1.75
2	9.25	2	3.63	3.75	8-1.12	6.75	2.46	2.38	2.75	5	2.75	0.31	2.5	2
2½	10.5	2.25	4.13	4.5	8-1.25	7.75	2.97	2.88	3.12	5.62	3.12	0.31	3	2.25
3	12	2.62	5	5.25	8-1.38	9	3.6	3.5	….	6.62	3.62	0.38	….	….
4	14	3	6.19	6.5	8-1.63	10.75	4.6	4.5	….	7.5	4.25	0.44	….	….
5	16.5	3.62	7.31	8	8-1.88	12.75	5.69	5.56	….	9	5.12	0.44	….	….
6	19	4.25	8.5	9.25	8-2.12	14.5	6.75	6.63	….	10.75	6	0.5	….	….
8	21.75	5	10.63	12	12-2.12	17.25	8.75	8.63	….	12.5	7	0.5	….	….
10	26.5	6.5	12.75	14.75	12-2.63	21.25	10.92	10.75	….	16.5	9	0.5	….	….
12	30	7.25	15	17.38	12-2.88	24.38	12.92	12.75	….	18.25	10	0.5	….	….

Weight Chart of Class 150 Forged Flanges as per ANSI B16.5 – ( NPS ½” – 24” )

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

Weight Chart of Class 300 Forged Flanges as per ANSI B16.5 – ( NPS ½” – 24” )

Class	Nominal Pipe Size	Slip On	Threaded	Socket Weld	Lap Joint	Blind	Weld Neck
300 lb	½	2	2	3	2	2	2
	¾	3	3	3	3	3	3
	1	3	3	3	3	4	4
	1¼	4.5	4.5	4	4.5	6	5
	1½	6.5	6.5	6	6.5	7	7
	2	7	7	7	7	8	9
	2½	10	10	10	10	12	12
	3	13	14	13	14.5	16	18
	3½	17	17	17	17	21	20
	4	23.5	24	22	24	28	26.5
	5	29	31	28	28	37	36
	6	39	39	39	39	50	45
	8	58	58	58	58	81	69
	10	81	81	81	91	124	100
	12	115	115	115	140	185	142
	14	165	165	165	190	250	206
	16	210	220	190	234	315	250
	18	253	280	250	305	414	320
	20	315	325	315	375	515	400
	22	370	370	370	435	640	465
	24	490	490	475	550	800	580

Weight Chart of Class 400 Forged Flanges as per ANSI B16.5 – ( NPS ½” – 24” )

Class	Nominal Pipe Size	Slip On	Threaded	Socket Weld	Lap Joint	Blind	Weld Neck
400 lb	½	2	2	2	2	2	3
	¾	3	3	3	3	3	3.5
	1	3.5	3.5	3.5	3.5	4	4
	1¼	4.5	4.5	4.5	4.5	6	4.5
	1½	6.5	6.5	6.5	6.5	8	8
	2	8	8	8	8	10	10
	2½	12	12	12	11	15	14
	3	15	15	15	14	20	18
	3½	21	21	21	20	29	26
	4	26	26	26	25	33	35
	5	31	31	31	29	44	43
	6	44	44	44	42	61	57
	8	67	67	67	64	100	89
	10	91	91	91	110	155	125
	12	130	130	130	152	226	175
	14	191	191	191	210	310	233
	16	253	253	253	280	398	295
	18	310	310	310	345	502	360
	20	378	378	378	420	621	445
	22	405	405	405	455	720	505
	24	539	539	539	615	936	640

Weight Chart of Class 600 Forged Flanges as per ANSI B16.5 – ( NPS ½” – 24” )

Class	Nominal Pipe Size	Slip On	Threaded	Socket Weld	Lap Joint	Blind	Weld Neck
600 lb	½	2	2	2	2	3	3
	¾	3	3	3	3	4	4
	1	4	4	4	4	4	4
	1¼	5	5	5	5	6	6
	1½	7	7	7	7	8	8
	2	9	9	9	9	10	12
	2½	13	13	13	12	15	18
	3	16	16	16	15	20	23
	3½	21	21	21	20	29	26
	4	37	37	37	36	41	42
	5	63	63	63	63	68	68
	6	80	80	80	78	86	81
	8	115	115	115	112	140	120
	10	177	177	177	195	231	190
	12	215	215	215	240	295	226
	14	259	259	259	290	378	347
	16	366	366	366	400	527	481
	18	476	476	476	469	665	555
	20	612	612	612	604	855	690
	22	590	590	590	670	1000	720
	24	876	876	876	866	1250	977

Weight Chart of Class 900 Forged Flanges as per ANSI B16.5 – ( NPS ½” – 24” )

Class	Nominal Pipe Size	Slip On	Threaded	Socket Weld	Lap Joint	Blind	Weld Neck
900 lb	½	6	6	6	6	4	7
	¾	6	6	6	6	6	7
	1	7.5	7.5	7.5	7.5	9	8.5
	1¼	10	10	10	10	10	10
	1½	14	14	14	14	14	14
	2	22	22	22	21	25	24
	2½	31	31	31	25	32	31
	3	36	36	36	29	35	36
	4	53	53	53	51	54	53
	5	83	83	83	81	87	86
	6	110	110	110	105	115	110
	8	172	172	172	190	200	187
	10	245	245	245	277	290	268
	12	326	326	326	371	415	372
	14	400	400	400	415	520	562
	16	459	459	459	488	619	685
	18	647	647	647	670	880	924
	20	792	792	792	868	1107	1164
	24	1480	1480	1480	1659	2099	2107

Weight Chart of Class 1500 Forged Flanges as per ANSI B16.5 – ( NPS ½” – 24” )

Class	Nominal Pipe Size	Slip On	Threaded	Socket Weld	Lap Joint	Blind	Weld Neck
1500 lb	½	6	6	6	6	4	7
	¾	6	6	6	6	6	7
	1	8	8	8	8	9	9
	1¼	10	10	10	10	10	10
	1½	14	14	14	14	14	14
	2	25	25	25	25	25	25
	2½	36	36	36	35	35	36
	3	48	48	48	47	48	48
	4	73	73	73	75	73	73
	5	132	132	132	140	140	132
	6	165	165	165	170	160	165
	8	260	260	260	286	302	275
	10	436	436	436	485	510	455
	12	667	667	667	749	775	690
	14	940	940	940	890	975	940
	16	1250	1250	1250	1250	1300	1250
	18	1625	1625	1625	1475	1750	1625
	20	2050	2050	2050	1775	2225	2050
	24	2825	2825	2825	2825	3625	3325

Forged Flanges ASME B16.47 Tolerance

WELDING NECK FLANGES

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
		NPS 12 to 18, inclusive	±0.06″	±1.6 mm
		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

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		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

MSS SP-44 Forged Flanges Applications

Oil and Gas

Nuclear Power & Defence

Petrochemical

LNG

Desalination

Mining & Minerals

List of countries we export & supplies our products

Myanmar, Nepal, Thailand, Vietnam, Philippines, Malaysia, Indonesia,

Singapore, Taiwan, Tasmania, Sri Lanka, Bangladesh, Bhutan, Cambodia,

Australia, New Zealand, Afghanistan, Tajikistan, Kyrgyzstan, Kazakhstan,

Uzbekistan, Turkmenistan, Iran, United Arab Emirates(UAE), Saudi Arabia,

Oman, Yemen, Iraq, Azerbaijan, Turkiye, Syria, Lebanon, Israel, Kenya,

Egypt, South Sudan, Eritrea, Djibouti, Ethiopia, Libya, Rwanda, Mali,

Niger, Chad, Central Africa Republic, Nigeria, Cameroon, Somalia, DRC,

Uganda, Tanzania, Angola, Zambia, Madagascar, Malawi, Namibia, Benin,

Zimbabwe, Botswana, Lesotho, South Africa, Algeria, Tunisia, Morocco,

Eswatini, Liberia, Sierra Leone, The Gambia, Senegal, Mozambique, Togo,

Mauritania, Burkina Faso, Ghana, Equatorial Guinea, Jordan, Timor-Leste,

Palestine, Laos, Armenia, Georgia, Maldives, Cyprus, Kuwait, Qatar, Peru,

Bahrain, Brunei, Finland, France, Germany, Ireland, Iceland, UK, US,

Greece, Hungary, Italy, Norway, Poland, Slovakia, Sweden, Canada, Fiji,

Romania, Cuba, Panama, Brazil, Colombia, Chile, Argentina, Venezuela,

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List of cities we supply our products

Naypyidaw, Kathmandu, Bangkok, Hanoi, Manila, Kuala Lumpur, Jakarta, Tunis,

Jurong East, Taipei City, Hobart, Sri Jayawardenepura Kotte, Dhaka, Thimphu,

Phnom Penh, Canberra, Wellington, Kabul, Dushanbe, Bishkek, Astana, Abuja,

Tashkent, Ashgabat, Tehran, Abu Dhabi, Riyadh, Muscat, Sana’a, Baghdad, Pretoria,

Baku, Ankara, Damascus, Beirut, Jerusalem, Nairobi, Cairo, Juba, Asmara, Rabat,

Djibouti city, Addis Ababa, Tripoli, Kigali, Bamako, Niamey, N’Djamena, Bangui,

Yaoundé, Mogadishu, Kinshasa, Kampala, Dodoma, Luanda, Lusaka, Antananarivo,

Lilongwe, Windhoek, Porto-Novo, Harare, Gaborone, Maseru, Cape Town, Bloemfontein,

Algiers, Mbabane, Lobamba, Monrovia, Freetown, Banjul, Dakar, Maputo, Lomé, Dili,

Nouakchott, Ouagadougou, Accra, Malabo, Amman, Vientiane, Yerevan, Tbilisi, Rome,

Malé, Nicosia, Kuwait City, Doha, Lima, Manama, Bandar Seri Begawan, Paris,

Helsinki, Berlin, Dublin, Reykjavík, London, Washington D.C., Athens, Budapest,

Oslo, Warsaw, Bratislava, Stockholm, Ottawa, Suva, Bucharest, Havana, Panama City,

Brasília, Bogotá, Santiago, Buenos Aires, Caracas, Mumabi, Chennai, Bengaluru,

Kolkata, Hyderabad, Pune, Ahmedabad, Jaipur, Surat, Visakhapatnam, Indore, New Delhi

Lucknow, Nagpur, Kochi, Kanpur, Guwahati, Coimbatore, Noida, Ghaziabad, Patna

Forged Flange ANSI B16.5, ASME B16.47