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India's Most Experience Manufacturers and Suppliers of ANSI B16.5 Weld Neck Flanges. Weld Neck Flanges Manufacturers, Stainless Steel Weld Neck Flanges Manufacturers In India,ANSI/ASME B16.5, B16.47, B16.47, B16.36, B16.48 Weld Neck Flanges, Weld Neck Flanges Manufacturers in India, Weld Neck Flanges Manufacturers in India, Stainless Steel WNRF Flanges, wnrf flange manufacturers in india

Veritas Stainless is India’s leading Manufacturers, Importers, Stockholders, Exporters, Distributors, Traders, Wholesalers and Suppliers of Weld Neck Flanges In Stainless Steel, Alloy Steel, Carbon Steel. Blind Flange Manufacturers, 304 Weld Neck Flanges, 316 Weld Neck Flanges, Astm A105 Weld Neck Flanges, Astm A182 Weld Neck Flanges, Awwa C207 Class B Blind Flange, Bs Pn16 Flange, Alloy Steel Weld Neck Flanges Manufacturers In India, Inconel Weld Neck Flanges, Monel Weld Neck Flanges, Hastelloy Weld Neck Flanges

Discounted Price in India of Weld Neck Flanges. Class 150 Weld Neck Flanges, Class 300 Weld Neck Flanges, Class 400 Weld Neck Flanges, Class 600 Weld Neck Flanges, Class 900 Weld Neck Flanges, Class 1500 Weld Neck Flanges & Class 2500 Weld Neck Flanges , wnrf flange manufacturers in india


  original photograph of Weld Neck Flanges at our factory in india

original photograph of Weld Neck Flanges at our factory in india


Veritas is a flagship company of Universal Group based in Mumbai, India. Veritas is engagedin Manufacturer of Steel Fitting, Flange & Fasteners. We also stock Pipe, Tubes, Plates,Sheets, Bars, Valve & other customized Engineering Product in various steel grade, specialized in Stainless Steel, High Nickel Alloys, Alloy Steel & Carbon Steel.

We are the recognized manufacturer of the Weld Neck Flanges manufacturers. We provide you a variety of Weld Neck Flanges that are going to be praised worldwide for its high level of strength. Our product is highly durable and can also easily fit to any dimension due to the availability of different shapes and sizes. Moreover You would get amazed after knowing that all the sorts of buttweld fittings are present at highly competitive price. Also offers seamless Weld Neck Flanges, stainless steel Weld Neck Flanges, industrial Weld Neck Flanges, Carbon Steel Weld Neck Flanges, duplex steel Weld Neck Flanges , wnrf flange manufacturers in india and Alloy steel Weld Neck Flanges.


Available Grades In Weld Neck Flanges at Discounted Price:

Stainless Steel Weld Neck Flanges

Carbon Steel Weld Neck Flanges

High Nickel Alloy Weld Neck Flanges

Stainless Steel Weld Neck Flanges

Carbon Steel Weld Neck Flanges

High Nickel Alloy Weld Neck Flanges

Alloy Steel Weld Neck Flanges

Copper Nickel Weld Neck Flanges

Duplex Steel Weld Neck Flanges

Alloy Steel Weld Neck Flanges
Copper Nickel Weld Neck Flanges
Duplex Steel Weld Neck Flanges

Weld Neck Flanges Specification

  • Type: WN Forged Flange , Weld Neck Flanges – WNRF
  • Material:Stainless Steel Weld Neck Flanges :ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904LCarbon 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, F70Alloy Steel Weld Neck Flanges: ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91Duplex Steel Weld Neck Flanges: ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61High Nickel Alloy Weld Neck Flanges: Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22, C276, Copper Nickel, Hastelloy, Nickel, Monel, Inconel, Alloy20.
  • 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
  • Class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
  • Size: 1/2-78 inch (DN15-DN2000)
  • Pressure: ANSI class 150,300,600,1500,2500, DIN PN6,PN10,PN16,PN25,PN40,PN64,PN100,PN160
  • Packing: No Fumigate or Fumigate Plywood/Wood Pallet or Case
  • Surface Treatment: Anti-rust Oil, Transparent/Yellow/Black Anti-rust Paint,Zinc,Hot dipped Galvanized.
  • E-catalogue: Available , please visit catalogue of flange
  • Usage: Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.

ASME/ ANSI B16.5 Weld Neck (WN) Pipe 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)

Manufacturers And Suppliers Of Different Types Of Flanges At Discounted Price

Forged Flanges Blind Flanges Slip on Flanges
Weld Neck Flanges Lapped Joint Flanges Threaded Flanges
Socket Weld Flanges Long Weld Neck Flanges Weldo / Nipo Flanges
Orifice Flanges Reducing Flanges Flat Flanges
Loose Flanges RTJ Flanges Sorf Flanges
Square Flanges Swrf Flanges Expander Flanges
Wnrf Flanges Ring Type Joint Flanges Groove & Tongue Flanges
High Hub Blinds Flanges Spectacle Blind Flanges Weld Neck Flanges A / BWeld Neck Flanges A / B
Spades Ring Spacers Flanges Screwed Flanges Forging Facing Flanges

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

Technical Information – Specifications, Dimensions Weld Neck Flanges

  • ANSI ASME B16.5 Class 150 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 300 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 400 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 600 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 900 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 1500 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 2500 Weld Neck Flanges Dimensions
  • ANSI/ASME B16.47 Series B Weld Neck Flange 75lb
  • ANSI/ASME B16.47 Series B Weld Neck Flange 150lb
  • ANSI/ASME B16.47 Series B Weld Neck Flange 300lb
  • ANSI/ASME B16.47 Series B Weld Neck Flange 600lb
  • ANSI/ASME B16.47 Series B Weld Neck Flange 400lb
  • ANSI/ASME B16.47 Series B Weld Neck Flange 900lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Weld Neck Flange 150lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Weld Neck Flange 300lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Weld Neck Flange 400lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Weld Neck Flange 600lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Weld Neck Flange 900lb

Dimension of Weld Neck Flanges

Dimension of Weld Neck Flanges


Dimensions of Weld Neck ASME B16.5 – class 150 Lbs

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.
20R#8243;
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

Dimensions of Weld Neck ASME B16.5 – class 300 Lbs
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

Dimensions of Weld Neck ASME B16.5 – class 600 Lbs
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″#8243;
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

Dimensions of Weld Neck ASME B16.5 – class 900 Lbs

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

Dimensions of Weld Neck ASME B16.5 – class 1500 Lbs

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

Dimensions of Weld Neck ASME B16.5 – class 2500 Lbs

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

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ANSI/ASME steel flanges

  • ANSI B16.47 Slip on flanges
  • ANSI B16.5 lap joint flanges
  • ANSI B16.47 steel weld neck flanges
  • ANSI B16.47 steel blind flanges, blind cover
  • ANSI B16.5 slip on flanges
  • ANSI B16.5 stainless steel blind flange
  • ANSI B16.5 long weld neck pipe flanges, LWN flange
  • API standard forged stainless steel thread flanges, SCRD flange
  • ANSI B16.5 stainless steel weld neck pipe flanges

EN/PED Steel Flanges

  • DIN2573, DIN2576 carbon steel plate flanges
  • DIN2527 Weld Neck flanges
  • DIN2573, DIN2576 plate flange, backing flange,gasket
  • EN1092-1 F304/F304L plate flange
  • DIN2634 steel weld neck flanges
  • DIN2633 weld neck flanges EN1092-1 steel plate backing flanges
  • EN1092-1 TYPE05 blind flanges
  • EN1092-1 TYPE 11B weld neck flanges
  • EN1092-1 type11B PN10 DN400 weld neck flange raised face

 

BS Steel Flanges

  • BS4504 code 105 steel blind flanges
  • BS4504 code 101 steel plate flanges
  • BS4504 code 111 steel weld neck flanges

JIS Steel Flanges

  • JIS B2220 socket welding flange
  • JIS B2220 Weld Neck hubbed SOH flange
  • JIS B2220 steel Sip On plate SOP flanges
  • JIS B2220 welding neck flanges

Flange Standard

  • API 6A Flange
  • ANSI Flange
  • ASME Flange
  • DIN Flange
  • EN1092-1 Flange
  • UNI Flange
  • JIS/KS Flange
  • BS4504 Flange
  • GB Flange
  • AWWA C207 Flange
  • GOST Flange
  • PSI Flange

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