We are largest Manufacturer, Supplier and Exporter of high Quality Weld Neck Flanges Series A/B. Weld Neck Flanges Series A/B are highly durable, corrosion resistant and reliable.
Randhir Metal is a Higly Acclaimed manufacturer & supplier of Weld Neck Flanges A / B, Slip On Flanges, Weld Neck Flanges, Threaded Flanges & Slip On Flanges Pipe Fittings. Weld Neck Flanges A / B is a disc, collar or ring that attaches to pipe with the purpose of providing increased support for strength, blocking off a pipeline or implementing the attachment of more items. They are usually welded or screwed to the pipe end and are connected with bolts. A gasket is also fixed between the two mating flanges to provide a tighter seal.
We carry an endless variety of Weld Neck Flanges A / B products that have an infinite amount of uses, Check with us for the right Blind flanges choice for your job.
Weld Neck Flanges A / B
Specifications Of Weld Neck Flanges A / B
Product type | Weld Neck Flanges Series A/B |
---|---|
Size | ½” (15 NB) to 48″ (1200NB) |
Carbon Steel Weld Neck Flanges Series A/B | ASTM / ASME A 105, ASTM / ASME A 350 LF 2 |
Stainless Steel Weld Neck Flanges Series A/B | ASTM / ASME SA 182 F 304, 304L, 304H, 309H, 310H, 316, 316H, 316L, 316 LN, 317, 317L, 321, 321H, 347, 347 H. |
Alloy Steel Weld Neck Flanges Series A/B | ASTM / ASME A 182 GR F 5, F 9, F 11, F 12, F 22, F 91 |
Duplex Steel Weld Neck Flanges Series A/B | ASTM / ASME SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61. |
Copper Alloy Weld Neck Flanges Series A/B | ASTM / ASME SB 61 UNS NO. C 92200 & ASTM / ASME SB 62 UNS NO. C 83600. ASTM / ASME SB 151 UNS NO. 70600, 71500, C 70600 ( CU -NI- 90/10), C 71500 ( CU -NI- 70/30), ASTM / ASME SB 152 UNS NO C 10100, C 10200, C 10300, C 10800, C 12000, C 12200. |
Nickel Alloy Weld Neck Flanges Series A/B | ASTM / ASME SB 564 UNS 2200 (NICKEL 200), UNS 4400 (MONEL 400), UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), ASTM / ASME SB 160 UNS 2201 (NICKEL 201 ), ASTM / ASME SB 472 UNS 8020 (ALLOY 20 / 20 CB 3) |
Weld Neck Flanges A / B Dimensional Chart
Welding neck flange bores according ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings
Welding Neck Flange Bores
| |||||||
---|---|---|---|---|---|---|---|
Nominal Pipe Size
(inches) |
Outside Diameter
(inches) |
Inside Diameter (inches)
| |||||
Light Wall 1)
|
Schedule 20
|
Schedule 30
|
Standard Wall
|
Schedule 40
|
Schedule 60
| ||
1/2
|
0.840
|
0.674
|
-
|
-
|
0.622
|
0.622
|
-
|
3/4
|
1.050
|
0.884
|
-
|
-
|
0.824
|
0.824
|
-
|
1
|
1.315
|
1.097
|
-
|
-
|
1.049
|
1.049
|
-
|
1 1/4
|
1.660
|
1.442
|
-
|
-
|
1.380
|
1.380
|
-
|
1 1/2
|
1.900
|
1.682
|
-
|
-
|
1.610
|
1.610
|
-
|
2
|
2.375
|
2.157
|
-
|
-
|
2.067
|
2.067
|
-
|
2 1/2
|
2.875
|
2.635
|
-
|
-
|
2.469
|
2.469
|
-
|
3
|
3.500
|
3.260
|
-
|
-
|
3.068
|
3.068
|
-
|
3 1/2
|
4.000
|
3.760
|
-
|
-
|
3.548
|
3.548
|
-
|
4
|
4.500
|
4.260
|
-
|
-
|
4.026
|
4.026
|
-
|
5
|
5.563
|
5.295
|
-
|
-
|
5.047
|
5.047
|
-
|
6
|
6.625
|
6.357
|
-
|
-
|
6.065
|
6.065
|
-
|
8
|
8.625
|
8.329
|
8.125
|
8.071
|
7.981
|
7.981
|
7.813
|
10
|
10.750
|
10.420
|
10.250
|
10.136
|
10.020
|
10.020
|
9.750
|
12
|
12.750
|
12.390
|
12.250
|
12.090
|
12.000
|
11.938
|
11.626
|
14
|
14.000
|
13.500
|
13.376
|
13.250
|
13.250
|
13.124
|
12.812
|
16
|
16.000
|
15.500
|
15.376
|
15.250
|
15.250
|
15.000
|
14.688
|
18
|
18.000
|
17.500
|
17.376
|
17.124
|
17.250
|
16.876
|
16.500
|
20
|
20.000
|
19.500
|
19.250
|
19.000
|
19.250
|
18.812
|
18.376
|
24
|
24.000
|
23.500
|
23.250
|
22.876
|
23.250
|
22.624
|
22.062
|
30
|
30.000
|
29.376
|
29.000
|
28.750
|
29.250
|
-
|
-
|
36
|
36.000
|
35.376
|
35.000
|
34.750
|
35.250
|
34.500
|
-
|
42
|
42.000
|
-
|
-
|
-
|
41.250
|
-
|
-
|
48
|
48.000
|
-
|
-
|
-
|
47.250
|
-
|
-
|
Welding Neck Flange Bores | ||||||||
---|---|---|---|---|---|---|---|---|
Nominal Pipe Size
(inches) |
Outside Diameter
(inches) |
Inside Diameter (inches)
| ||||||
Extra Strong
|
Schedule 80
|
Schedule 100
|
Schedule 120
|
Schedule 140
|
Schedule 160
|
Double Extra Strong
| ||
1/2
|
0.840
|
0.546
|
0.546
|
-
|
-
|
-
|
0.464
|
0.252
|
3/4
|
1.050
|
0.742
|
0.742
|
-
|
-
|
-
|
0.612
|
0.434
|
1
|
1.315
|
0.957
|
0.957
|
-
|
-
|
-
|
0.815
|
0.599
|
1 1/4
|
1.660
|
1.278
|
1.278
|
-
|
-
|
-
|
1.160
|
0.896
|
1 1/2
|
1.900
|
1.500
|
1.500
|
-
|
-
|
-
|
1.338
|
1.100
|
2
|
2.375
|
1.939
|
1.939
|
-
|
-
|
-
|
1.687
|
1.503
|
2 1/2
|
2.875
|
2.323
|
2.323
|
-
|
-
|
-
|
2.125
|
1.771
|
3
|
3.500
|
2.900
|
2.900
|
-
|
-
|
-
|
2.624
|
2.300
|
3 1/2
|
4.000
|
3.364
|
3.364
|
-
|
-
|
-
|
-
|
2.728
|
4
|
4.500
|
3.826
|
3.826
|
-
|
3.624
|
-
|
3.438
|
3.152
|
5
|
5.563
|
4.813
|
4.813
|
-
|
4.563
|
-
|
4.313
|
4.063
|
6
|
6.625
|
5.761
|
5.761
|
-
|
5.501
|
-
|
5.187
|
4.897
|
8
|
8.625
|
7.625
|
7.625
|
7.437
|
7.187
|
7.001
|
6.813
|
6.875
|
10
|
10.750
|
9.750
|
9.562
|
9.312
|
9.062
|
8.750
|
8.500
|
8.750
|
12
|
12.750
|
11.750
|
11.374
|
11.062
|
10.750
|
10.500
|
10.126
|
10.750
|
14
|
14.000
|
13.000
|
12.500
|
12.124
|
11.814
|
11.500
|
11.188
|
-
|
16
|
16.000
|
15.000
|
14.312
|
13.938
|
13.564
|
13.124
|
12.812
|
-
|
18
|
18.000
|
17.000
|
16.124
|
15.688
|
15.250
|
14.876
|
14.438
|
-
|
20
|
20.000
|
19.000
|
17.938
|
17.438
|
17.000
|
16.500
|
16.062
|
-
|
24
|
24.000
|
23.000
|
21.562
|
20.938
|
20.376
|
19.876
|
19.312
|
-
|
30
|
30.000
|
29.000
|
-
|
-
|
-
|
-
|
-
|
-
|
36
|
36.000
|
35.000
|
-
|
-
|
-
|
-
|
-
|
-
|
42
|
42.000
|
41.000
|
-
|
-
|
-
|
-
|
-
|
-
|
48
|
48.000
|
47.000
|
-
|
-
|
-
|
-
|
-
|
-
|
Our Live Stock of Weld Neck Flanges A / B
ANSI B16.47 series A (MSS SP-44) and series B (API-605) weld neck A / B flange FOB Price: US $0.5-10 / Piece | ||
ASME/ANSI B 16.5 stainless steel water pipe flange weld neck A / B flange FOB Price: US $1-100 / Piece | ||
Leading manufacturer of Weld Neck Flanges A / B
We also having stock of Weld Neck Flanges A / B & other Stainless Steel Flanges, Carbon Steel Flanges, Alloy Steel Flanges manufactured by :
Erne Fittings, Austria | Metal far, Italy | Lame S.R.l., Italy |
BENKAN Corporation, Japan | BKL- Thai Benkan, Thailand | TecnoForge, Italy |
Ulma, Spain | Mega, Italy | Melesi, Italy |
Interfit, France | Raccortubi S.P.A., Italy |
Weld Neck Flanges A / B Application
|
|
Manufacturers of Different Types of Flanges, Listed Below
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South Africa | United States of America | Canada |
Italy | Netherlands | Germany |
Mexico | Australia | New Zealand |
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