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Weld Neck Flanges Manufacturer In India

ANSI B16.5 Weld Neck Flanges

ASME B16.5 class 150 weld neck reducing flange, Weld neck raised face manufacturer in India

Exporter of Weld neck ring joint flange, ANSI b16.5 long weld neck flange in South Africa, Iran, Iraq

ANSI B16.5 Weld Neck Flanges

ANSI B16.5 Weld Neck Flanges

Stainless steel Weld Neck Flanges

Stainless steel Weld Neck Flanges

Carbon steel Weld Neck Flanges

Carbon steel Weld Neck Flanges

Backed by a team of professionals, we are engaged in offering a wide range of expander weld neck flange to our esteemed clients. Reducing weld neck flange are easy to recognize at the long tapered hub that goes gradually over to the wall thickness from a pipe or fitting. The bores of both pipe and flange reduces turbulence and erosion inside the pipeline. Extended weld neck flange are a very common type of pipe flanges used in various industrial applications.

Chemicals, Fats, & Fertilizers, Sugar Mills & Distilleries, Cement Industries, Ship Builders, Paper Industries, Pumps, Petrochemicals, Oil & Natural Gas Organization in terms of the specific materials, Technology, Finance & Personal.

We offer high quality and superior performance steel flanges for various requirements of our clients. Designed as per market standards and parameters. Stainless steel weld neck flange are high in durability and can withstand extreme conditions. Our comprehensive range includes weld neck flanges, Orifice flange, Reducing flange, socket weld flanges and many more.

DINESH INDUSTRIES Is 3rd Largest weld neck flange manufacturer company in Mumbai India, you can buy weld neck flange with best price here. Check our stainless steel weld neck flange dimensions i.e. class 150/300 weld neck flange. We carry a large inventory of high quality stainless steel welding neck flange (forged wn flange) and wholesale carbon steel weld neck flange suppliers worldwide. RANGE of weld neck female flange includes ½” (15 NB) to 48” (1200NB) in 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150, ASA 300, PN 6, 10, 16, 25, 40, 64, 100, 160 and so on. available with NACE MR 01-75.

The carbon steel weld neck flange dimensions and weights are as per the EN 1092-1 type 11 specification for EU steel flanges. Charts show the size of the flanges (length, height, neck dimensions etc.), the bolting requirements i.e. number of bolt holes and bolts, plus the size of bolts and the weights by flange diameter and nominal pressure.

Weld Neck Flanges Specification

Product Type WN Forged Flange , Weld Neck Flanges – WNRF
Size 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 Etc.
Stainless Steel Weld Neck Flanges ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Carbon Steel Weld Neck Flanges ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70
Alloy Steel Weld Neck Flanges ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Duplex Steel Weld Neck Flanges ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Specialize As per drawing
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-12820DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673B.S : BS4504 , BS4504, BS1560, BS10
Connection Type / Flange Face Type Ring Type Joint, Lap-Joint Face, Raised Face, Flat Face, Large Male-Female, Small Male-Female, Large Tongue & Groove, Small Tongue & Groove

 

ANSI B16.5 weld neck flange material

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)

Typical Stainless Steel 18/8 Grade Designations:

ASTM
BS
DIN
EURONORM
304
304S15
X5 Cr Ni 18 10
1.4301
304L
304S11
X2 Cr Ni 18 9
1.4307
316
316S31
X5 Cr Ni Mo 17 12 2
1.4401
316L
316S11
X2 Cr Ni Mo 17 13 2
1.4404
321
321S31
X6 Cr Ni 18 10
1.4541
316Ti
320S31
X6 Cr Ni Mo Ti 17 12 2
1.4571
SMO
254SMO
X1 Cr Ni Mo Cu N 20 18 7
1.4547

 

Types of Weld neck flange

Stainless Steel Weld neck flange Dimensions

  • Stainless Steel Class 150 Weld neck Flange
  • Stainless Steel Class 300 Weld neck Flange
  • Stainless Steel Class 600 Weld neck Flange
  • Stainless Steel Class 900 Weld neck Flange
  • Stainless Steel Class 1500 Weld neck Flange
  • Stainless Steel Class 2500 Weld neck Flange

ANSI ASME B16.5 Weld neck flange Dimensions

  • ANSI ASME B16.5 Class 150 Weld neck Flanges
  • ANSI ASME B16.5 Class 300 Weld neck Flanges
  • ANSI ASME B16.5 Class 400 Weld neck Flanges
  • ANSI ASME B16.5 Class 600 Weld neck Flanges
  • ANSI ASME B16.5 Class 900 Weld neck Flanges
  • ANSI ASME B16.5 Class 1500 Weld neck Flanges
  • ANSI ASME B16.5 Class 2500 Weld neck Flanges
Carbon Steel Weld neck flange Dimensions

  • Carbon Steel Class 150 Weld neck Flange
  • Carbon Steel Class 300 Weld neck Flange
  • Carbon Steel Class 600 Weld neck Flange
  • Carbon Steel Class 900 Weld neck Flange
  • Carbon Steel Class 1500 Weld neck Flange
  • Carbon Steel Class 2500 Weld neck Flange
 Class 150 Weld neck flange Dimensions

  • 30 class 150 Weld neck flange
  • class 150 spectacle Weld neck
  • 42 class 150 Weld neck flange
  • ansi class 150 Weld neck flange
  • 24 class 150 Weld neck flange
  • ANSI b16.5 class 150 Weld neck flanges
  • ASME b16.5 class 150 Weld neck flange
High Nickel Alloy Weld neck Flanges

  • Hastelloy c276 Weld neck flanges
  • Nickel alloy 200 Weld neck flanges
  • Monel 400 Weld neck flanges
  • Inconel 625 Weld neck flanges
  • Incoloy 825 Weld neck flanges
  • Hastelloy b2 Weld neck flanges
 AWWA C207 SO & BL flange Dimensions

  • BS 10 Weld neck flange
  • Weld neck flange ansi b16 5
  • DIN 2527 Weld neck flange
  • JIS b2220 flanges
  • API 6bx Weld neck flange
  • MSS SP 44 Weld neck flanges

Manufacturer of following types of weld neck flanges in India

ASTM A105N WN Flange

ASTM A105N WN Flange

A694 F60 Weld Neck Flange

A694 F60 Weld Neck Flange

ASTM A182 Weld Neck Flange

ASTM A182 Weld Neck Flange

ASTM A182 F316L WN Flange

ASTM A182 F316L WN Flange

ASTM A105 WN Flange

ASTM A105 WN Flange

ASME B16.5 WN Flange

ASME B16.5 WN Flange

Stainless Steel EN 1092-1 WN Flange

Stainless Steel EN 1092-1 WN Flange

ASTM A182 F5 WN RF Flange

ASTM A182 F5 WN RF Flange

A182 F316 Weld Neck Flange

A182 F316 Weld Neck Flange

ASTM A182 F9 Weld Neck Flange

ASTM A182 F9 Weld Neck Flange

Stainless Steel Weld Neck Flanges

Stainless Steel Weld Neck Flanges

Weld Neck Pipe Flanges

Weld Neck Pipe Flanges

SS Weld Neck Flanges

SS Weld Neck Flanges

RTJ WN Flanges

RTJ WN Flanges

Long Weld Neck Flanges

Long Weld Neck Flanges

Golden Coating Forged Flanges

Golden Coating Forged Flanges

Forged WN Flanges

Forged WN Flanges

Forged Steel Weld Neck Flanges

Forged Steel Weld Neck Flanges

ASTM A105 Raised Face WN Flange

ASTM A105 Raised Face WN Flange

ASME B16.5 LWN Flange

ASME B16.5 LWN Flange

Weld neck flange dimensions

Dimension of Weld Neck Flanges

Class 150 weld neck flange dimensions

 
Nominal size
Outside diam. of flange
Thick. of flange
Diam. of raised face
Diam of hub at base
Diam. of hub at point of welding
Length thru hub
No. of holes
Diam. of holes
Diam. of bolts
Diam. of bolt circle
Approx. weight pounds Kg
O
C
R
X
A
Y
in.
1/2″
3.50
0.44
1.38
1.19
0.84
1.88
4
0.62
1/2
2.38
2
mm.
88.9
11.2
35.1
30.2
21.3
47.8
15.7
12.7
60.5
1
in.
3/4″
3.88
0.50
1.69
1.50
1.05
2.06
4
0.62
1/2
2.75
2
mm.
98.6
12.7
42.9
38.1
26.7
52.3
15.7
12.7
69.9
1
in.
1″
4.25
0.56
2.00
1.94
1.32
2.19
4
0.62
1/2
3.12
3
mm.
108.0
14.2
50.8
49.3
33.5
55.6
15.7
12.7
79.2
1
in.
1 1/4″
4.62
0.62
2.50
2.31
1.66
2.25
4
0.62
1/2
3.50
3
mm.
117.3
15.7
63.5
58.7
42.2
57.2
15.7
12.7
88.9
1
in.
1 1/2″
5.00
0.69
2.88
2.56
1.90
2.44
4
0.62
1/2
3.88
4
mm.
127.0
17.5
73.2
65.0
48.3
62.0
15.7
12.7
98.6
2
in.
2″
6.00
0.75
3.62
3.06
2.38
2.50
4
0.75
5/8
4.75
6
mm.
152.4
19.1
91.9
77.7
60.5
63.5
19.1
15.9
120.7
3
in.
2 1/2″
7.00
0.88
4.12
3.56
2.88
2.75
4
0.75
5/8
5.50
8
mm.
177.8
22.4
104.6
90.4
73.2
69.9
19.1
15.9
139.7
4
in.
3″
7.50
0.94
5.00
4.25
3.50
2.75
4
0.75
5/8
6.00
10
mm.
190.5
23.9
127.0
108.0
88.9
69.9
19.1
15.9
152.4
5
in.
3 1/2″
8.50
0.94
5.50
4.81
4.00
2.81
8
0.75
5/8
7.00
12
mm.
215.9
23.9
139.7
122.2
101.6
71.4
19.1
15.9
177.8
5
in.
4″
9.00
0.94
6.19
5.31
4.50
3.00
8
0.75
5/8
7.50
15
mm.
228.6
23.9
157.2
134.9
114.3
76.2
19.1
15.9
190.5
7
in.
5″
10.00
0.94
7.31
6.44
5.56
3.50
8
0.88
3/4
8.50
19
mm.
254.0
23.9
185.7
163.6
141.2
88.9
22.4
19.1
215.9
9
in.
6″
11.00
1.00
8.50
7.56
6.63
3.50
8
0.88
3/4
9.50
24
mm.
279.4
25.4
215.9
192.0
168.4
88.9
22.4
19.1
241.3
11
in.
8″
13.50
1.12
10.62
9.69
8.63
4.00
8
0.88
3/4
11.75
39
mm.
342.9
28.4
269.7
246.1
219.2
101.6
22.4
19.1
298.5
18
in.
10″
16.00
1.19
12.75
12.00
10.75
4.00
12
1.00
7/8
14.25
52
mm.
406.4
30.2
323.9
304.8
273.1
101.6
25.4
22.2
362.0
24
in.
12″
19.00
1.25
15.00
14.38
12.75
4.50
12
1.00
7/8
17.00
80
mm.
482.6
31.8
381.0
365.3
323.9
114.3
25.4
22.2
431.8
36
in.
14″
21.00
1.38
16.25
15.75
14.00
5.00
12
1.12

1
18.75
110
mm.
533.4
35.1
412.8
400.1
355.6
127.0
28.4
25.4
476.3
50
in.
16″
23.50
1.44
18.50
18.00
16.00
5.00
16
1.12

1
21.25
140
mm.
596.9
36.6
469.9
457.2
406.4
127.0
28.4
25.4
539.8
64
in.
18″
25.00
1.56
21.00
19.88
18.00
5.50
16
1.25
1 1/8
22.75
150
mm.
635.0
39.6
533.4
505.0
457.2
139.7
31.8
28.6
577.9
68
in.
20″
27.50
1.69
23.00
22.00
20.00
5.69
20
1.25
1 1/8
25.00
180
mm.
698.5
42.9
584.2
558.8
508.0
144.5
31.8
28.6
635.0
82
in.
24″
32.00
1.88
27.25
26.12
24.00
6.00
20
1.38
1 1/4
29.50
260
mm.
812.8
47.8
692.2
663.4
609.6
152.4
35.1
31.8
749.3
118

Class 300 weld neck flange dimensions

 
Nominal size
Outside diam. of flange
Thick. of flange
Diam. of raised face
Diam of hub at base
Diam. of hub at point of welding
Length thru hub
No. of holes
Diam. of holes
Diam. of bolts
Diam. of bolt circle
Approx. weight pounds Kg
 
O
C
R
X
A
Y
in.
1/2″
3.75
0.56
1.38
1.50
0.84
2.06
4
0.62
1/2
2.62
2
mm.
95.3
14.2
35.1
38.1
21.3
52.3
15.7
12.7
66.5
1
in.
3/4″
4.62
0.62
1.69
1.88
1.05
2.25
4
0.75
5/8
3.25
3
mm.
117.3
15.7
42.9
47.8
26.7
57.2
19.1
15.9
82.6
1
in.
1″
4.88
0.69
2.00
2.12
1.32
2.44
4
0.75
5/8
3.50
4
mm.
124.0
17.5
50.8
53.8
33.5
62.0
19.1
15.9
88.9
2
in.
1 1/4″
5.25
0.75
2.50
2.50
1.66
2.56
4
0.75
5/8
3.88
5
mm.
133.4
19.1
63.5
63.5
42.2
65.0
19.1
15.9
98.6
2
in.
1 1/2″
6.12
0.81
2.88
2.75
1.90
2.69
4
0.88
3/4
4.50
7
mm.
155.4
20.6
73.2
69.9
48.3
68.3
22.4
19.1
114.3
3
in.
2″
6.50
0.88
3.62
3.31
2.38
2.75
8
0.75
5/8
5.00
9
mm.
165.1
22.4
91.9
84.1
60.5
69.9
19.1
15.9
127.0
4
in.
2 1/2″
7.50
1.00
4.12
3.94
2.88
3.00
8
0.88
3/4
5.88
12
mm.
190.5
25.4
104.6
100.1
73.2
76.2
22.4
19.1
149.4
5
in.
3″
8.25
1.12
5.00
4.62
3.50
3.12
8
0.88
3/4
6.62
15
mm.
209.6
28.4
127.0
117.3
88.9
79.2
22.4
19.1
168.1
7
in.
3 1/2″
9.00
1.19
5.50
5.25
4.00
3.19
8
0.88
3/4
7.25
18
mm.
228.6
30.2
139.7
133.4
101.6
81.0
22.4
19.1
184.2
8
in.
4″
10.00
1.25
6.19
5.75
4.50
3.38
8
0.88
3/4
7.88
25
mm.
254.0
31.8
157.2
146.1
114.3
85.9
22.4
19.1
200.2
11
in.
5″
11.00
1.38
7.31
7.00
5.56
3.88
8
0.88
3/4
9.25
32
mm.
279.4
35.1
185.7
177.8
141.2
98.6
22.4
19.1
235.0
15
in.
6″
12.50
1.44
8.50
8.12
6.63
3.88
12
0.88
3/4
10.62
42
mm.
317.5
36.6
215.9
206.2
168.4
98.6
22.4
19.1
269.7
19
in.
8″
15.00
1.62
10.62
10.25
8.63
4.38
12
1.00
7/8
13.00
67
mm.
381.0
41.1
269.7
260.4
219.2
111.3
25.4
22.2
330.2
30
in.
10″
17.50
1.88
12.75
12.62
10.75
4.62
16
1.12
1
15.25
91
mm.
444.5
47.8
323.9
320.5
273.1
117.3
28.4
25.4
387.4
41
in.
12″
20.50
2.00
15.00
14.75
12.75
5.12
16
1.25
1 1/8
17.75
140
mm.
520.7
50.8
381.0
374.7
323.9
130.0
31.8
28.6
450.9
64
in.
14″
23.00
2.12
16.25
16.75
14.00
5.62
20
1.25
1 1/8
20.25
180
mm.
584.2
53.8
412.8
425.5
355.6
142.7
31.8
28.6
514.4
82
in.
16″
25.50
2.25
18.50
19.00
16.00
5.75
20
1.38
1 1/4
22.50
250
mm.
647.7
57.2
469.9
482.6
406.4
146.1
35.1
31.8
571.5
113
in.
18″
28.00
2.38
21.00
21.00
18.00
6.25
24
1.38
1 1/4
24.75
320
mm.
711.2
60.5
533.4
533.4
457.2
158.8
35.1
31.8
628.7
145
in.
20″
30.50
2.50
23.00
23.12
20.00
6.38
24
1.38
1 1/4
27.00
400
mm.
774.7
63.5
584.2
587.2
508.0
162.1
35.1
31.8
685.8
181
in.
24″
36.00
2.75
27.25
27.62
24.00
6.62
24
1.62
1 1/2
32.00
580
mm.
914.4
69.9
692.2
701.5
609.6
168.1
41.1
38.1
812.8
263

Class 600 weld neck flange dimensions

 
Nominal size
Outside diam. of flange
Thick. of flange
Diam. of raised face
Diam of hub at base
Diam. of hub at point of welding
Length thru hub
No. of holes
Diam. of holes
Diam. of bolts
Diam. of bolt circle
Approx. weight pounds Kg
 
O
C
R
X
A
Y
in.
1/2″
3.75
0.56
1.38
1.50
0.84
2.06
4
0.62
1/2
2.62
2
mm.
95.3
14.2
35.1
38.1
21.3
52.3
15.7
12.7
66.5
1
in.
3/4″
4.62
0.62
1.69
1.88
1.05
2.25
4
0.75
5/8
3.25
4
left.
117.3
15.7
42.9
47.8
26.7
57.2
19.1
15.9
82.6
2
in.
1″
4.88
0.69
2.00
2.12
1.32
2.44
4
0.75
5/8
3.50
4
mm.
124.0
17.5
50.8
53.8
33.5
62.0
19.1
15.9
88.9
2
in.
1 1/4″
5.25
0.81
2.50
2.50
1.66
2.62
4
0.75
5/8
3.88
6
mm.
133.4
20.6
63.5
63.5
42.2
66.5
19.1
15.9
98.6
3
left.
1 1/2″
6.12
0.88
2.88
2.75
1.90
2.75
4
0.88
3/4
4.50
8
left.
155.4
22.4
73.2
69.9
48.3
69.9
22.4
19.1
114.3
4
in.
2″
6.50
1.00
3.62
3.31
2.38
2.88
8
0.75
5/8
5.00
12
mm.
165.1
25.4
91.9
84.1
60.5
73.2
19.1
15.9
127.0
5
in.
2 1/2″
7.50
1.12
4.12
3.94
2.88
3.12
8
0.88
3/4
5.88
18
mm.
190.5
28.4
104.6
100.1
73.2
79.2
22.4
19.1
149.4
8
left.
3″
8.25
1.25
5.00
4.62
3.50
3.25
8
0.88
3/4
6.62
23
left.
209.6
31.8
127.0
117.3
88.9
82.6
22.4
19.1
168.1
10
in.
3 1/2″
9.00
1.38
5.50
5.25
4.00
3.38
8
1.00
7/8
7.25
26
mm.
228.6
35.1
139.7
133.4
101.6
85.9
25.4
22.2
184.2
12
in.
4″
10.75
1.50
6.19
6.00
4.50
4.00
8
1.00
7/8
8.50
42
mm.
273.1
38.1
157.2
152.4
114.3
101.6
25.4
22.2
215.9
19
left.
5″
13.00
1.75
7.31
7.44
5.56
4.50
8
1.12

1
10.50
68
left.
330.2
44.5
185.7
189.0
141.2
114.3
28.4
25.4
266.7
31
in.
6″
14.00
1.88
8.50
8.75
6.63
4.62
12
1.12
1
11.50
81
mm.
355.6
47.8
215.9
222.3
168.4
117.3
28.4
25.4
292.1
37
in.
8″
16.50
2.19
10.62
10.75
8.63
5.25
12
1.25
1 1/8
13.75
120
mm.
419.1
55.6
269.7
273.1
219.2
133.4
31.8
28.6
349.3
54
left.
10″
20.00
2.50
12.75
13.50
10.75
6.00
16
1.38
1 1/4
17.00
190
left.
508.0
63.5
323.9
342.9
273.1
152.4
35.1
31.8
431.8
86
in.
12″
22.00
2.62
15.00
15.75
12.75
6.12
20
1.38
1 1/4
19.25
225
mm.
558.8
66.5
381.0
400.1
323.9
155.4
35.1
31.8
489.0
102
in.
14″
23.75
2.75
16.25
17.00
14.00
6.50
20
1.50
1 3/8
20.75
280
mm.
603.3
69.9
412.8
431.8
355.6
165.1
38.1
34.9
527.1
127
left.
16″
27.00
3.00
18.50
19.50
16.00
7.00
20
1.62
1 1/2
23.75
390
left.
685.8
76.2
469.9
495.3
406.4
177.8
41.1
38.1
603.3
177
in.
18″
29.25
3.25
21.00
21.50
18.00
7.25
20
1.75
1 5/8
25.75
475
mm.
743.0
82.6
533.4
546.1
457.2
184.2
44.5
41.3
654.1
215
in.
20″
32.00
3.50
23.00
24.00
20.00
7.50
24
1.75
1 5/8
28.50
590
mm.
812.8
88.9
584.2
609.6
508.0
190.5
44.5
41.3
723.9
268
in.
24″
37.00
4.00
27.25
28.25
24.00
8.00
24
2.00
1 7/8
33.00
830
left.
939.8
101.6
692.2
717.6
609.6
203.2
50.8
47.6
838.2
376

Class 900 weld neck flange dimensions

  Nominal size Outside diam. of flange Thick. of flange Diam. of raised face Diam of hub at base Diam. of hub at point of welding Length thru hub No. of holes Diam. of holes Diam. of bolts Diam. of bolt circle Approx. weight pounds Kg
    O C R X A Y          
in.
1/2″
Sizes 1/2″ thru 2 1/2″ are identical to Class 1500.
mm.
in.
3/4″
mm.
in.
1″
mm.
in.
1 1/4″
mm.
in.
1 1/2″
mm.
in.
2″
mm.
in.
2 1/2″
mm.
in.
3″
9.50
1.50
5.00
5.00
3.50
4.00
8
1.00
7/8
7.50
31
mm.
241.3
38.1
127.0
127.0
88.9
101.6
25.4
22.2
190.5
14
in.
4″
11.50
1.75
6.19
6.25
4.50
4.50
8
1.25
1 1/8
9.25
53
mm.
292.1
44.5
157.2
158.8
114.3
114.3
31.8
28.6
235.0
24
in.
5″
13.75
2.00
7.31
7.50
5.56
5.00
8
1.38
1 1/4
11.00
86
mm.
349.3
50.8
185.7
190.5
141.2
127.0
35.1
31.8
279.4
39
in.
6″
15.00
2.19
8.50
9.25
6.63
5.50
12
1.25
1 1/8
12.50
110
mm.
381.0
55.6
215.9
235.0
168.4
139.7
31.8
28.6
317.5
50
in.
8″
18.50
2.50
10.62
11.75
8.63
6.38
12
1.50
1 3/8
15.50
175
mm.
469.9
63.5
269.7
298.5
219.2
162.1
38.1
34.9
393.7
79
in.
10″
21.50
2.75
12.75
14.50
10.75
7.25
16
1.50
1 3/8
18.50
260
mm.
546.1
69.9
323.9
368.3
273.1
184.2
38.1
34.9
469.9
118
in.
12″
24.00
3.12
15.00
16.50
12.75
7.88
20
1.50
1 3/8
21.00
325
mm.
609.6
79.2
381.0
419.1
323.9
200.2
38.1
34.9
533.4
147
in.
14″
25.25
3.38
16.25
17.75
14.00
8.38
20
1.62
1 1/2
22.00
400
mm.
641.4
85.9
412.8
450.9
355.6
212.9
41.1
38.1
558.8
181
in.
16″
27.75
3.50
18.50
20.00
16.00
8.50
20
1.75
1 5/8
24.25
495
mm.
704.9
88.9
469.9
508.0
406.4
215.9
44.5
41.3
616.0
225
in.
18″
31.00
4.00
21.00
22.25
18.00
9.00
20
2.00
1 7/8
27.00
680
mm.
787.4
101.6
533.4
565.2
457.2
228.6
50.8
47.6
685.8
308
in.
20″
33.75
4.25
23.00
24.50
20.00
9.75
20
2.12
2
29.50
830
mm.
857.3
108.0
584.2
622.3
508.0
247.7
53.8
50.8
749.3
376
in.
24″
41.00
5.50
27.25
29.50
24.00
11.50
20
2.62
2 1/2
35.50
1500
mm.
1041.4
139.7
692.2
749.3
609.6
292.1
66.5
63.5
901.7
680

Class 1500 weld neck flange dimensions

Nominal size Outside diam. of flange Thick. of flange Diam. of raised face Diam of hub at base Diam. of hub at point of welding Length thru hub No. of holes Diam. of holes Diam. of bolts Diam. of bolt circle Approx. weight pounds Kg
O C R X A Y
in. 1/2″ 4.75 0.88 1.38 1.50 0.84 2.38 4 0.88 3/4 3.25 5
mm. 120.7 22.4 35.1 38.1 21.3 60.5 22.4 19.1 82.6 2
in. 3/4″ 5.12 1.00 1.69 1.75 1.05 2.75 4 0.88 3/4 3.50 6
mm. 130.0 25.4 42.9 44.5 26.7 69.9 22.4 19.1 88.9 3
in. 1″ 5.88 1.12 2.00 2.06 1.32 2.88 4 1.00 7/8 4.00 9
mm. 149.4 28.4 50.8 52.3 33.5 73.2 25.4 22.2 101.6 4
in. 1 1/4″ 6.25 1.12 2.50 2.50 1.66 2.88 4 1.00 7/8 4.38 10
mm. 158.8 28.4 63.5 63.5 42.2 73.2 25.4 22.2 111.3 5
in. 1 1/2″ 7.00 1.25 2.88 2.75 1.90 3.25 4 1.12 1 4.88 13
mm. 177.8 31.8 73.2 69.9 48.3 82.6 28.4 25.4 124.0 6
in. 2″ 8.50 1.50 3.62 4.12 2.38 4.00 8 1.00 7/8 6.50 25
mm. 215.9 38.1 91.9 104.6 60.5 101.6 25.4 22.2 165.1 11
in. 2 1/2″ 9.62 1.62 4.12 4.88 2.88 4.12 8 1.12 1 7.50 36
mm. 244.3 41.1 104.6 124.0 73.2 104.6 28.4 25.4 190.5 16
in. 3″ 10.50 1.88 5.00 5.25 3.50 4.62 8 1.25 1 1/8 8.00 48
mm. 266.7 47.8 127.0 133.4 88.9 117.3 31.8 28.6 203.2 22
in. 4″ 12.25 2.12 6.19 6.38 4.50 4.88 8 1.38 1 1/4 9.50 73
mm. 311.2 53.8 157.2 162.1 114.3 124.0 35.1 31.8 241.3 33
in. 5″ 14.75 2.88 7.31 7.75 5.56 6.12 8 1.62 1 1/2 11.50 130
mm. 374.7 73.2 185.7 196.9 141.2 155.4 41.1 38.1 292.1 59
in. 6″ 15.50 3.25 8.50 9.00 6.63 6.75 12 1.50 1 3/8 12.50 165
mm. 393.7 82.6 215.9 228.6 168.4 171.5 38.1 34.9 317.5 75
in. 8″ 19.00 3.62 10.62 11.50 8.63 8.38 12 1.75 1 5/8 15.50 275
mm. 482.6 91.9 269.7 292.1 219.2 212.9 44.5 41.3 393.7 125
in. 10″ 23.00 4.25 12.75 14.50 10.75 10.00 12 2.00 1 7/8 19.00 455
mm. 584.2 108.0 323.9 368.3 273.1 254.0 50.8 47.6 482.6 206
in. 12″ 26.50 4.88 15.00 17.75 12.75 11.12 16 2.12 2 22.50 690
mm. 673.1 124.0 381.0 450.9 323.9 282.4 53.8 50.8 571.5 313
in. 14″ 29.50 5.25 16.25 19.50 14.00 11.75 16 2.38 2 1/4 25.00 940
mm. 749.3 133.4 412.8 495.3 355.6 298.5 60.5 57.2 635.0 426
in. 16″ 32.50 5.75 18.50 21.75 16.00 12.25 16 2.62 2 1/2 27.75 1250
mm. 825.5 146.1 469.9 552.5 406.4 311.2 66.5 63.5 704.9 567
in. 18″ 36.00 6.38 21.00 23.50 18.00 12.88 16 2.88 2 3/4 30.50 1625
mm. 914.4 162.1 533.4 596.9 457.2 327.2 73.2 69.9 774.7 737
in. 20″ 38.75 7.00 23.00 25.25 20.00 14.00 16 3.12 3 32.75 2050
mm. 984.3 177.8 584.2 641.4 508.0 355.6 79.2 76.2 831.9 930
in. 24″ 46.00 8.00 27.25 30.00 24.00 16.00 16 3.62 3 1/2 39.00 3325
mm. 1168.4 203.2 692.2 762.0 609.6 406.4 91.9 88.9 990.6 1508

Weld neck flange dimensions class 2500

 
Nominal size
Outside diam. of flange
Thick. of flange
Diam. of raised face
Diam of hub at base
Diam. of hub at point of welding
Length thru hub
No. of holes
Diam. of holes
Diam. of bolts
Diam. of bolt circle
Approx. weight pounds Kg
 
O
C
R
X
A
Y
in.
1/2″
5.25
1.19
1.38
1.69
0.84
2.88
4
0.88
3/4
3.50
7
mm.
133.4
30.2
35.1
42.9
21.3
73.2
22.4
19.1
88.9
3
in.
3/4″
5.50
1.25
1.69
2.00
1.05
3.12
4
0.88
3/4
3.75
8
mm.
139.7
31.8
42.9
50.8
26.7
79.2
22.4
19.1
95.3
4
in.
1″
6.25
1.38
2.00
2.25
1.32
3.50
4
1.00
7/8
4.25
12
mm.
158.8
35.1
50.8
57.2
33.5
88.9
25.4
22.2
108.0
5
in.
1 1/4″
7.25
1.50
2.50
2.88
1.66
3.75
4
1.12
right
5.12
17
mm.
184.2
38.1
63.5
73.2
42.2
95.3
28.4
25.4
130.0
8
in.
1 1/2″
8.00
1.75
2.88
3.12
1.90
4.38
4
1.25
1 1/8
5.75
25
mm.
203.2
44.5
73.2
79.2
48.3
111.3
31.8
28.6
146.1
11
in.
2″
9.25
2.00
3.62
3.75
2.38
5.00
8
1.12
right
6.75
42
mm.
235.0
50.8
91.9
95.3
60.5
127.0
28.4
25.4
171.5
19
in.
2 1/2″
10.50
2.25
4.12
4.50
2.88
5.62
8
1.25
1 1/8
7.75
52
mm.
266.7
57.2
104.6
114.3
73.2
142.7
31.8
28.6
196.9
24
in.
3″
12.00
2.62
5.00
5.25
3.50
6.62
8
1.38
1 1/4
9.00
94
mm.
304.8
66.5
127.0
133.4
88.9
168.1
35.1
31.8
228.6
43
in.
4″
14.00
3.00
6.19
6.50
4.50
7.50
8
1.62
1 1/2
10.75
145
mm.
355.6
76.2
157.2
165.1
114.3
190.5
41.1
38.1
273.1
66
in.
5″
16.50
3.62
7.31
8.00
5.56
9.00
8
1.88
1 3/4
12.75
245
mm.
419.1
91.9
185.7
203.2
141.2
228.6
47.8
44.5
323.9
111
in.
6″
19.00
4.25
8.50
9.25
6.63
10.75
8
2.12
right
14.50
380
mm.
482.6
108.0
215.9
235.0
168.4
273.1
53.8
50.8
368.3
172
in.
8″
21.75
5.00
10.62
12.00
8.63
12.50
12
2.12
right
17.25
580
mm.
552.5
127.0
269.7
304.8
219.2
317.5
53.8
50.8
438.2
263
in.
10″
26.50
6.50
12.75
14.75
10.75
16.50
12
2.62
2 1/2
21.25
1075
mm.
673.1
165.1
323.9
374.7
273.1
419.1
66.5
63.5
539.8
488
in.
12″
30.00
7.25
15.00
17.38
12.75
18.25
12
2.88
2 3/4
24.38
1525
mm.
762.0
184.2
381.0
441.5
323.9
463.6
73.2
69.9
619.3
692

 

Manufacturing standard

ANSI, JIS, DIN, EN, BS4504, GOST etc.

Face

Raised Face (RF), Flat Face(FF), Ring-Type Joint (RTJ),Tongue-and-Groove (T&G), Male-and-Female (M&F)

Surface treatment

Anti Rust Oil, Black Paint Coating, Yellow Paint Coating, Hot Dipped Galvanized, Cold Galvanized, etc.
Pressure:
America Series: Class 150, Class 300, Class 600, Class 900A, Class 1500, Class 2500.
Europe Series: PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100, PN160, PN250, PN320, PN400.
Nickel Alloy: ASTM/ASME S/B366 UNS N08020, N04400, N06600, N06625, N08800, N08810, N08825, N10276,N10665,N10675
Flange Material Carbon steel  ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH
P250GH, P280GHM 16MN, 20MN ,20#
Stainless steel  ASTM A182, F304/304L, F316/316L
Alloy steel ASTM A182 A182 F12, F11, F22, F5, F9, F91etc.
Flange Standard                       ANSI Class 150 Flanges-Class 2500 Flanges
DIN 6Bar 10Bar 16Bar 25Bar 40Bar
JIS 5K Flanges-20K Flanges
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar

Stainless Steel and Carbon Steel Weld neck Flange Price List in India

Types of Weld neck flanges Price Unit
stainless steel Weld neck flanges class 150 $22.45 NOS
stainless steel Weld neck flanges class 300 $25.39 NOS
stainless steel Weld neck flanges class 600 $31.19 NOS
carbon steel Weld neck flanges class 150 $75.89 NOS
carbon steel Weld neck flanges class 300 $88.12 NOS
carbon steel Weld neck flanges class 600 $99.52 NOS
Weld neck flanges ansi b16 5 class 150 $75.56 NOS
Weld neck flanges ansi b16 5 class 300 $95.56 NOS

Available material and grades in weld neck flanges

  • 304 stainless steel weld neck flanges manufacturer
  • 304l stainless steel weld neck flange manufacturer
  • 304h stainless weld neck flange manufacturer
  • 316 stainless spectacle weld neck flange manufacturer
  • 317 stainless steel weld neck flange manufacturer
  • 321 stainless steel weld neck flange manufacturer
  • Stainless 300lb weld neck flange manufacturer
  • Stainless steel 900lb weld neck flange manufacturer
  • Stainless 2500lb weld neck flange manufacturer
  • Stainless 600lb weld neck flange manufacturer
  • Stainless 2500lb weld neck flange manufacturer
  • Stainless Steel weld neck flange manufacturer
  • Stainless spectacle weld neck flange manufacturer
  • Class 150 stainless weld neck flange manufacturer
  • Class 300 stainless weld neck flange manufacturer
  • Stainless 316 weld neck Flange manufacturer
  • Stainless Steel 321 class 150 weld neck flange manufacturer
  • Stainless Steel 316l weld neck flange manufacturer
  • Stainless 304l weld neck flange manufacturer
  • Stainless 900lb weld neck flange manufacturer
  • Stainless 304h weld neck flange manufacturer
  • Stainless 317 weld neck flange manufacturer
  • Stainless 316h weld neck flange manufacturer
  • stainless forged weld neck
  • stainless weld neck flange
  • weld neck flange stainless
  • 304 stainless spectacle flange
  • 316 stainless weld neck flange
  • 317 stainless weld neck flange
  • stainless 321 weld neck flange
  • stainless 316l weld neck flange
  • 304 stainless spectacle flange
  • 316 stainless forged weld neck flange
  • 317 stainless rtj weld neck flange
  • stainless 321 plate weld neck flange
  • stainless 321h weld neck flange
  • ASTM A105 carbon steel weld neck manufacturer
  • ASTM A350 carbon weld neck manufacturer
  • ASTM A182 lf2 carbon weld neck flange manufacturer
  • ASTM A694 F42 carbon weld neck flange manufacturer
  • ASTM A694 F46 carbon weld neck flange manufacturer
  • ASTM A694 F52 carbon weld neck flange manufacturer
  • ASTM A694 F60 carbon steel weld neck flange manufacturer
  • ASTM A694 F65 carbon weld neck flange manufacturer
  • ASTM A694 F70 carbon weld neck flange manufacturer
  • 321h Stainless steel 900lb weld neck flange manufacturer
  • 317 Stainless 1500lb weld neck manufacturer
  • Carbon steel weld neck manufacturer
  • Carbon steel weld neck manufacturer
  • A105 carbon steel weld neck manufacturer
  • A350 carbon steel weld neck manufacturer
  • A182 lf2 carbon steel weld neck manufacturer
  • A694 F42 carbon steel weld neck manufacturer
  • A694 F46 carbon weld neck manufacturer
  • A694 F52 carbon weld neck flange manufacturer
  • A694 F60 carbon weld neck flange manufacturer
  • A694 F65 carbon weld neck flange manufacturer
  • A694 F70 carbon steel spectacle flange manufacturer
  • carbon steel 300lb weld neck flange manufacturer
  • carbon 900lb weld neck flange manufacturer
  • carbon steel 2500lb weld neck flange manufacturer
  • carbon 600lb weld neck flange manufacturer
  • carbon 2500lb weld neck flange manufacturer
  • carbon forged weld neck flange
  • carbon weld neck flange
  • weld neck carbon flange
  • rtj carbon weld neck flange
  • spectacle carbon weld neck flange
  • forged carbon weld neck flange
  • carbon a105n weld neck flange
  • carbon a105 weld neck flange

We are exporting weld neck flanges in following countries

MIDDLE EAST
Saudi Arabia
Kuwait
Jordan
Turkey
Iran
Iraq
Bahrain
Oman
Uae
Qatar
Yemen
Syria		 AFRICA

Nigeria
Sudan
Algeria
Angola
Egypt
Equatorial Guinea
South Africa
Libya
The Republic Of Congo
Gabon

NORTH AMERICA

Jamaica
Costa Rica
Puerto Rica
Usa
Canada
Bahamas
Denmark
Mexico
Trinidad And Tobago

 EUROPE

Russia
Uk
Norway
Spain
Portugal
Ireland
Croatia
Slovenia
Belgium
Hungary
Albania
Austria
Switzerland
Slovakia
Netherland
Greece
Czech Republic
Germany
France
Italy
Malta

 ASIA

Japan
Sri Lanka
Maldives
Singapore
Malaysia
South Korea
Indonesia
India
Thailand
Vietnam
Mayanmar
Taiwan
Cambodia

SOUTH AMERICA

Brazil
Chile
Argentina
Bolivia
Ecuador
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Supplier of weld neck flange ansi b16.5, alloy 20 weld neck flange at best price

Ready stock of flat face weld neck flange, Carbon Steel Weld Neck Flange in any shape and size
Check weld neck raised face flange dimensions, weld neck flange price list

 

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