Forged Flanges is an excellent piping that connects pipes, valves pumps and other types of equipment to other piping systems. These also come in different standards such as ASME A 182, ASME B16.9, ASME B16.11, MSS SP-43, MSS-95, BS 3799 Forged Socket Weld Pipe Fittings. Looking at the availability of specifications, 1/2” to 54” size with class naming as 150LBS, 300LBS, 600LBS 150 LBS, 2500LBS, DIN Standard ND-6-10, 16,25and 40, the flanges face type such as Flate Face(FF), Raised Face(RF), Ring Type Joint(RTJ). Also DIN types as DIN2527, DIN2566, DIN2573, DIN2576, DIN25641, DIN2641, DIN 2642 and many more are offered in various types of industries. The forged flanges material & grades that include for carbon steel forged flanges are ASTM A105, A-350 LF2 SS400, SF4400, RST37.2, S235JRG, P250GH and C22.8. For various materials the grades differ. We also take customized requirements for industries like
Pipe Fitting Suppliers have started this effective and successful product service since the year 1992 and today stands as No. 1 exporter in the Indian and International Market. We are an ISO 9001, 14001, OHSAS 18001 certification with PED 97/23/EC approved Supplier & Exporter of Industrial raw materials. Forged Flanges today are excellently manufactured by Pipe Fittings Supplier with many multinational companies in countries like UAE, Saudi Arabia, Kuwait, Qatar, Egypt, Turkey, Oman, Africa, Malaysia & many countries in USA & Europe. Other stainless steel alloy products like Pipe Elbow, Pipe Tee, Pipe Cross, Lap Joints, Butt-Weld Pipes and many more are also available with other types of forged flanges available..
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All our product ranges are tested on different parameter for excellent product value. Being certified & Award winner Supplier & Exporter of industrial stainless Steel piping materials we have the best pipes and tubes solutions with best pricing. Our business connections are beneficial to more than 600 reputed organisations in more than 30+ countries from last 25 years with 95% of customer retention. We are the best among the top flanges manufacturers, suppliers and distributer in Mumbai, India. For Our high quality product purchases contact us at sales@pipefittingsupplier.com!!!
Available Grades In Forged Flanges
| Stainless Steel | Carbon Steel | High Nickel Alloy | >
|
|
|
| Alloy Steel | Copper Steel | Duplex Steel |
|
|
|
Specification of Firged Flanges
| Type | Forged Flanges, ASME 16.5 Forged Flanges |
|---|---|
| Size | 15 NB to 750 NB, 1/2-78 inch (DN15-DN2000) |
| Material | Stainless Steel Forged Flanges: ASTM A182 F202, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 316LN, 310S, 317L, 321, 410, 420, 440C, 202. F904L Carbon Steel Forged Flanges: A-350 LF2 LF3, A105 Duplex Steel Forged Flanges: ASTM / ASME SA 182 F 44 , F 45 , F51 , F 53 , F 55 , F 60 , F 61. Alloy Steel Forged Flanges: ASTM A182 F1, F5, F9, F11, F22, F91 Special Alloy Forged Flanges: Duplex, Super Duplex, High Nickel Alloys High Nickel Alloy Forged Flanges: Cupro Nickel (90/10, 70/30, 66/30/2/2), Hastelloy (C-4, C-22, C276, B-2), Nickel (200 / 201 / 205), Monel 400 & K500), Inconel (600, 601, 625 & 825), Incolloy (800, 800H), Alloy 20, Duplex Steel, SS 904L, Titanium (1 & 2) Etc. |
| Standard | ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 ,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-12820 DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673 B.S : BS4504 , BS4504, BS1560, BS10 |
| Pressure Class | Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Specialize | As per drawing |
| SIZE RANGE: FLANGES ½” to 36” (10mm to 900mm) | |
|---|---|
| Standards | Types |
| ASME/ANSI B16.5 | Welding Neck Flange, Slipon Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange |
| Pressure Class | 150, 300, 400, 600, 900, 1500, 2500 |
| . | |
| ASME/ANSI B16.47 | Welding Neck Flange, Blind Flange (series A & B) |
| Pressure Class | 75, 150, 300, 400, 600, 900 |
| . | |
| ASME/ANSI B16.36 | (Orifice Flanges) Welding Neck Flange, Slipon Flange, Threaded Flange |
| Pressure Class | 300, 400, 600, 900, 1500, 2500 |
| . | |
| JIS B2220/B2291 | Welding Neck Flange, Slipon Hub Flange, Slipon Plate Flange, Shut off Flange, Square Flange |
| Pressure Class | 5k, 10k, 16k, 20k, 30k |
| . | |
| BS 4504 SEC3.1 | Welding Neck Flange (111/134), Hubbed Slipon Flange (112), HubbedThreaded Flange (113), Lapped Pipe End Flange(133), Plate Flange (101),Loose Plate Flange (102), Loose Plate with Weld Neck Flange (104), Blank Flange (105) |
| Pressure Class | PN 2.5 To PN 40 |
| SIZE RANGE: FLANGES ½” to 36” (10mm to 900mm) | |
| BS 4504(PART.1) | Welding Neck Flange, Hubbed Slip-on Hubbed Threaded, Plate Flange, Loose Plate with Weld on Plate Collar, Blank Flange. |
| Pressure Class | PN2.5 To PN 400 |
| . | |
| BS1560 | Welding Neck Flange, Socket Welding Flange, Slip-on Boss Flange, Blind Flange, Screwed Boss Flange, Lapped Flange |
| Pressure Class | 150, 300, 400, 600, 900, 1500, 2500 |
| . | |
| BS 10 | Welding Neck Flange, Plate Slip-on Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange |
| Table | D,E,F,H |
| . | |
| DIN FLANGES | DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656,DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638, DIN 2673 |
| Pressure Class | PN6 TO PN 320 |
| . | |
| Pr EN 1092-1 FLANGES | Plate Flange (01), Loose Plate Flange (02,04), Blind Flange (05)Welding Neck Flange (11) Hubbed Slip On Flange (12), Screwed Flange (13), Integral Flange(21) |
| Pressure Class | PN2.5 To PN100 |
| . | |
| ASME/ANSI B16.9/ | |
| MSS SP-4 | Stub End |
| Type | A, B , C |
| PRODUCTION CAPACITY : Forged 5000 MT/p.a. Machined 2000 MT/p.a. | |
Dimension of Forged Flanges
 |
 |
 |
|
Weld Neck Forged Flange |
Threaded Forged Flange |
Lap Joint Forged Flange |
 |
 |
 |
|
Socket Weld Forged Flange |
Blind Forged Flange |
Slip On Forged Flange |
ASME/ ANSI B16.5 Forged Flanges Manufacturing Materials :
|
Dimensions
|
Base Material
|
Pressure Rating
|
|---|---|---|
|
ASME B16.5
|
ASTM A182 (Forgings) ASTM A240 (Plate)
|
150#. 300#. 400#. 600#. 900#. 1500#. 2500#.
|
|
API 605
|
ASTM A182 (Forgings) ASTM A240 (Plate)
|
150#. 300#. 400#. 600#. 900#. 1500#. 2500#.
|
|
ASME B16.47series A & B
|
ASTM A182 (Forgings) ASTM A240 (Plate)
|
150#. 300#. 400#. 600#. 900#. 1500#. 2500#.
|
|
EN1092-1
|
ASTM A182 (Forgings)
|
PN2.5. PN6. PN10. PN16. PN25. PN40. PN63. PN100. PN160. PN250. PN320. PN400.
|
|
BS4504
|
BS970 (Bar)ASTM A240 (Plate) ASTM A182 (Forgings)
|
PN2.5. PN6. PN10. PN16. PN25. PN40. PN63. PN100. PN160.
|
|
BS10
|
BS970 (Bar)ASTM A240 (Plate) ASTM A182 (Forgings)
|
ANSI B16.5 Forged 1/2″ – 24″ Flange Classes
Ansi B16.5 Class 150 Forged Flanges
|
Nom. Pipe Size
|
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 are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Ansi B16.5 Class 300 Forged Flanges
|
Nom. Pipe Size
|
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 are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Ansi B16.5 Class 400 Forged Flanges
|
Nom. Pipe Size
|
O
|
T
|
R
|
X
|
#/Dia of Holesa
|
Bolt Circle Dia
|
B
|
B2b
|
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 are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Ansi B16.5 Class 600 Forged Flanges
|
Nom. Pipe Size
|
O
|
T
|
R
|
X
|
#/Dia of Holesa
|
Bolt Circle Dia
|
B
|
B2b
|
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 are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Ansi B16.5 Class 900 Forged Flanges
|
Nom. Pipe Size
|
O
|
T
|
R
|
X
|
#/Dia of Holesa
|
Bolt Circle Dia
|
B
|
B2b
|
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 are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Ansi B16.5 Class 1500 Forged Flanges
|
Nom. Pipe Size
|
O
|
T
|
R
|
X
|
#/Dia of Holesa
|
Bolt Circle Dia
|
B
|
B2b
|
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 are in inches. (a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Ansi B16.5 Class 2500 Forged Flanges
|
Nom. Pipe Size
|
O
|
T
|
R
|
X
|
#/Dia of Holesa
|
Bolt Circle Dia
|
B2b
|
B3
|
H
|
L
|
L2
|
L3c
|
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
|
….
|
….
|
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.