Forged Flanges Manufacturer In India

ANSI B16.5 Forged Flanges

Manufacturer of forged flanges and fittings, carbon steel forged flanges in India

Recognize supplier of forged pipe flanges Forge, stainless steel forged flanges, forged components flanges at best price

ANSI B16.5 Screwed flanges

ANSI B16.5 Forged flanges

Stainless steel Screwed flanges

Stainless steel Forged flanges

Carbon steel Screwed flanges

Carbon steel Forged flanges

One of the leading forged flange manufacturers and supplier in India, Dinesh Industries  Forge Flanges manufactures various types of carbon steel, alloy steel, stainless steel and duplex steel flanges as per customer recognised material standard (ASME/ANSI/DIN). The flanges are also manufactured as per customer specific requirements/drawings.

we at Dinesh Industries have 200 sets of equipment, including 20 sets of modern forging equipment, 140 high precision machine tools, floor-type lathes, drills, vertical lathes and other machining equipment, 2 electrical heating furnaces, 5 heat treatment furnaces, 2 PMI detection equipment, tensile machines, impact testers, hardness testers, metallographic analyzers, digital UT flaw detectors, etc. Forging process available in house: ring rolling forging, open die forging

Forged Flanges Specification

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, Nickel Alloys
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.

 

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)

 

Dimension of Forged Flanges

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Weld Neck Forged Flange
Threaded Forged Flange
Lap Joint Forged Flange
flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges
Socket Weld Forged Flange
Blind Forged Flange
Slip On Forged Flange

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
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
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
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
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
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
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
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
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

flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges

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
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
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
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
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

flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges

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
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
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
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
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

 flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges

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

flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges

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
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
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
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
flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges
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
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
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
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.

EN/PED Steel Flanges

  • DIN2573, DIN2576 carbon steel plate flanges
  • DIN2527 blind flanges
  • DIN2573, DIN2576 plate flange, backing flange,gasket
  • EN1092-1 F304/F304L plate flange
  • DIN2634 steel weld neck flanges

BS Steel Flanges

JIS Steel Flanges

Flange Standard

 

Forged stainless steel flanges, forged welding flange, ASME B16.5 forged weld neck flanges exporter in Indonesia

Stockist of forged nozzle flanges, forged neck flange, hot forged flanges in Mumbai, Maharashtra
Distributor and wholesaler of forged steel flanges dimensions and standard

 

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