ss_weldneckflange
Stainless Steel Weld Neck Flange
nickel_Weld_Neck_flange
Nickel Alloy Weld Neck Flange
hastelloy_Weld_Neck_flange
Hastelloy Weld Neck Flange
carbon_weldneckflanges
Carbon Steel Weld Neck Flange
inconel_Weld_Neck_flange
Inconel Weld Neck Flange
monel_Weld_Neck_flange
Monel Weld Neck Flange
duplex_Weld_Neck_flange
Duplex & Super duplex Steel Weld Neck Flange
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Incoloy Weld Neck Flange
alloy_Weld_Neck_flange
Alloy Weld Neck Flange

Supplier Of a Wide Range Of Industrial Weld Neck Flange. These ASME B16.5 Weld Neck Flange are Designed in Accordance with the Industrial Standards And are Fabricated Using Quality Material. Stainless Steel Weld Neck Flange are Known for Excellent Performance, Resistance against corrosion and durability. These ANSI B16.47 Weld Neck meet the requirements of various industries like automobile, heavy engineering, railways and pipeline engineering. Available in Standard Specifications, Our Flange Range Can also be Customized as Per the Requirements of our Clients. Our Carbon Steel Weld Neck Flange is fabricated with the wall thickness having the same dimensions of the matching pipes. Our Alloy Steel Weld Neck Plate Flange range is catering to the requirements of various industries and is ideal for use at high pressure, and varied cold or hot temperatures. DinkerAlloys (India) Offer Latest Technical Advancements and carry well maintained inventory ready for fastest delivery to any location.

As a WNRF Flange Manufacturers India we offer these Copper Weld Neck Flange, Copper Nickel Weld Neck Flange, Brass Weld Neck Flange, Inconel Weld Neck Flange, Hastelloy Weld Neck Flange, Monel Weld Neck Flange, Alloy 20 Weld Neck Flange, Aluminium Weld Neck Flange, Nickel Weld Neck Flange, Duplex Weld Neck Flange, Super Duplex Weld Neck Flange, Incoloy Weld Neck Flange, 254 Smo Weld Neck Flange and Titanium Weld Neck Flange in all standard in which the common world standards include ASA/ ANSI/ ASME (USA), BS10 (British/ Australian). Many Alloy Steel Weld Neck Flange manufacturer in India produce these Carbon Steel Weld Neck Flange from forged materials and have machined surfaces. Compare our price from WNRF Flange Manufacturers India or China you will find best rate from our company.

Our Weld Neck flange are designed for pipework from 40 mm – 1 000 mm nominal bore. Custom size flange available!

 

Standard Specification For Weld Neck Flange

  • Dimensions :ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • Size :1/2″ (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.
  • DIN :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
  • BS : BS 4504 , BS 4504, BS 1560, BS 10
  • PN :PN6, PN10, PN16, PN25, PN40
  • Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

 

Material & Grades of Weld Neck Flange :
  • Stainless Steel Weld Neck Flange : ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L Weld Neck Flange
  • Duplex & Super Duplex Steel Weld Neck Flange : ASTM A182 / ASME SA182 F44, F 45, F51, F 53, F 55, F 60, F 61 Weld Neck Flange
  • Carbon Steel Weld Neck Flange : ASTM A105 / ASME SA105 ASTM / ASME A 350 , ASTM A181 LF2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706 Weld Neck Flange
  • Low Temperature Carbon Steel Weld Neck Flange: ASTM A350, LF2, LF3 Weld Neck Flange
  • Alloy Steel Weld Neck Flange : ASTM A182 / ASME SA182 & A387 F1, F5, F9, F11, F12, F22, F91 Weld Neck Flange
  • Copper Alloy Steel Weld Neck Flange : ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200
  • Nickel Alloy Weld Neck Flange : ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020) Weld Neck Flange

 

ASME B16.5 Raised Faced Weld Neck Flange Available Types
  • ASME B16.47 Series A and B Weld Neck Flange Exporter
  • ANSI 150 Weld Neck Flange Distributors
  • High Quality Weld Neck Flange Manufacturer
  • Stainless Steel Weld Neck Flange Suppliers
  • Weld Neck Plate Flange Dealer
  • ANSI B16.5 class 150 Weld Neck Flange Stockholder
  • Carbon Steel Weld Neck Flange
  • ASTM A182 Stainless Steel Weld Neck Flange
  • Super Duplex Steel Weld Neck Forged Flange
  • High Nickel Alloy Weld Neck Flange
  • Titanium ASME B16.47 Series A and B Weld Neck Flange
  • Raised Faced Weld Neck Flange
  • Weld Neck Flange Dimensions
  • ANSI B16.5 Class 150 Weld Neck Flange
  • SS Weld Neck Flange
  • Weld Neck Raised Face Flange
  • ANSI B16.5 Weld Neck Flange
  • ASME B16.5 Weld Neck Flange
  • Duplex Steel Weld Neck Flange
  • Copper Nickel Weld Neck Pipe Flange
  • Hastelloy Flat Faced Weld Neck Flange Stockist
  • Inconel Weld Neck Flange

 

Application of Weld Neck Flange

  • ANSI B16.5 Class 150 Weld Neck Flange uses in Industrial Boilers Industry
  • ASTM A182 Stainless Steel Weld Neck Flange uses in Power Plants Industry
  • ASME B16.47 Series A and B Weld Neck Flange uses in Nuclear Plants Industry
  • Stainless Steel Weld Neck Flange uses in Oil & Gas Industry
  • Super Duplex Steel Weld Neck Flange uses in Refineries Industry
  • Industrial Weld Neck Flange uses in Ship Building Industry
  • Super Duplex Steel Weld Neck Flange Forged Flange uses in Heat Exchanger Industry
  • Carbon Steel Industrial Weld Neck Flange uses in Condensers Industry
  • Alloy Steel Industrial Weld Neck Flange uses in Paper & Pulp Industry
  • Duplex Steel Industrial Weld Neck Flange uses in Marine Applications
  • Stainless Steel Industrial Weld Neck Flanges uses in Nuclear Power Industry
  • Industrial Weld Neck Flange / Fittings System uses in Fossil Fuel Power Plants Industry

 

Specifications of Weld Neck Flange

  • Range:½” (15 NB) to 48” (1200NB)
  • Pressure Ratings: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 ETC. available with NACE MR 01-75

 

Dimensions of Weld Neck Flange

 

Weld Neck Flanges dimensions

 

ANSI/ASME/ASA B16.5 150lb/sq.in. Flange WN-RF
ø
D
b
g
m
a
J*
h
k
Holes
l
Kg.
1/2″
88,9
11,1
34,9
30,2
21,3
15,7
47,6
60,3
4
15,9
0,500
3/4″
98,4
12,7
42,9
38,1
26,7
20,8
52,4
69,8
4
15,9
0,700
1″
107,9
14,3
50,8
49,2
33,5
26,7
55,6
79,4
4
15,9
1,100
1 1/4″
117,5
15,9
63,5
58,8
42,2
35,1
57,1
88,9
4
15,9
1,500
1 1/2″
127,0
17,5
73,0
65,1
48,3
40,9
61,9
98,4
4
15,9
1,800
2″
152,4
19,0
92,1
77,8
60,3
52,6
63,5
120,6
4
19,0
2,700
2 1/2″
177,8
22,2
104,8
90,5
73,1
62,7
69,8
139,7
4
19,0
4,400
3″
190,5
23,8
127,0
107,9
88,9
78,0
69,8
152,4
4
19,0
5,200
3 1/2″
215,9
23,8
139,7
122,2
101,6
90,2
71,4
177,8
8
19,0
6,400
4″
228,6
23,8
157,2
134,9
114,3
102,4
76,2
190,5
8
19,0
7,500
5″
254,0
23,8
185,7
163,5
141,2
128,3
88,9
215,9
8
22,2
9,200
6″
279,4
25,4
215,9
192,1
168,4
154,2
88,9
241,3
8
22,2
11,000
8″
342,9
28,6
269,9
246,1
219,1
202,7
101,6
298,4
8
22,2
18,300
10″
406,4
30,2
323,8
304,8
273,0
254,5
101,6
361,9
12
25,4
25,000
12″
482,6
31,7
381,0
365,1
323,8
304,8
114,3
431,8
12
25,4
39,000
14″
533,4
34,9
412,7
400,0
355,6
336,5
127,0
476,2
12
28,6
51,000
16″
596,9
36,5
469,9
457,2
406,4
387,3
127,0
539,7
16
28,6
60,000
18″
635,0
39,7
533,4
504,8
457,2
438,1
139,7
577,8
16
31,7
71,000
20″
698,5
42,9
584,2
558,8
508,0
488,9
144,5
635,0
20
31,7
88,000
22″
749,3
46,0
641,2
609,6
558,8
539,7
149,2
692,1
20
34,9
102,000
24″
812,8
47,6
692,1
663,6
609,6
590,5
152,4
749,3
20
34,9
119,000
*
The data “J” corresponds to the STD schedule

 

ANS I/ ASME / ASA B16.5 300lb/sq.in. Flange WN-RF
ø
D
b
g
m
a
J*
h
k
Holes
l
Kg.
1/2″
95,2
14,3
34,9
38,1
21,3
15,7
52,4
66,7
4
15,9
0,900
3/4″
117,5
15,9
42,9
47,6
26,7
20,8
57,1
82,5
4
19,0
1,500
1″
123,8
17,5
50,8
54,0
33,5
26,7
61,9
88,9
4
19,0
1,900
1 1/4″
133,3
19,0
63,5
63,5
42,2
35,1
65,1
98,4
4
19,0
2,600
1 1/2″
155,6
20,6
73,0
69,8
48,3
40,9
68,3
114,3
4
22,2
3,300
2″
165,1
22,2
92,1
84,1
60,3
52,6
69,8
127,0
8
19,0
3,600
2 1/2″
190,5
25,4
104,8
100,0
73,1
62,7
76,2
149,2
8
22,2
5,400
3″
209,5
28,6
127,0
117,5
88,9
78,0
79,4
168,3
8
22,2
7,400
3 1/2″
228,6
30,2
139,7
133,3
101,6
90,2
81,0
184,1
8
22,2
8,900
4″
254,0
31,7
157,2
146,0
114,3
102,4
85,7
200,0
8
22,2
11,900
5″
279,4
34,9
185,7
177,8
141,2
128,3
98,4
234,9
8
22,2
16,000
6″
317,5
36,5
215,9
206,4
168,4
154,2
98,4
269,9
12
22,2
20,200
8″
381,0
41,3
269,9
260,3
219,1
202,7
111,1
330,2
12
25,4
31,000
10″
444,5
47,6
323,4
320,7
273,0
254,5
117,5
387,3
16
28,6
44,300
12″
520,7
50,8
381,0
374,6
323,8
304,8
130,2
450,8
16
31,7
64,000
14″
584,2
54,0
412,7
425,4
355,6
336,5
142,9
514,3
20
31,7
88,000
16″
647,7
57,1
469,9
482,6
406,4
387,3
146,0
571,5
20
34,9
113,000
18″
711,2
60,3
533,4
533,4
457,2
438,1
158,7
628,6
24
34,9
134,000
20″
774,7
63,5
584,2
587,4
508,0
488,9
161,9
685,8
24
34,9
171,000
22″
838,2
66,7
641,2
641,2
558,8
539,7
165,1
742,9
24
41,3
195,000
24″
914,4
69,8
692,1
701,7
609,6
590,5
168,3
812,8
24
41,3
238,000
*
The data “J” corresponds to the STD schedule

 

ANS I /ASME / ASA B16.5 600lb/sq.in. Flanges WN-RF
ø
D
b
g
m
J
h
k
Holes
l
Kg.
1/2″
95,2
14,3
34,9
38,1
22,3
22,2
66,7
4
15,9
0,800
3/4″
117,5
15,9
42,9
47,6
27,7
25,4
82,5
4
19,0
1,400
1″
123,8
17,5
50,8
54,0
34,5
27,0
88,9
4
19,0
1,600
1 1/4″
133,3
20,6
63,5
63,5
43,2
28,6
98,4
4
19,0
2,100
1 1/2″
155,6
22,2
73,0
69,8
49,5
31,7
114,3
4
22,2
3,100
2″
165,1
25,4
92,1
84,1
62,0
36,5
127,0
8
19,0
3,700
2 1/2″
190,5
28,6
104,8
100,0
74,7
41,3
149,2
8
22,2
5,400
3″
209,5
31,7
127,0
117,5
90,7
46,0
168,3
8
22,2
7,300
3 1/2″
228,6
34,9
139,7
133,3
103,4
49,2
184,1
8
25,4
8,900
4″
273,0
38,1
157,2
152,4
116,1
54,0
215,9
8
25,4
11,800
5″
330,2
44,4
185,7
188,9
143,8
60,3
266,7
8
28,6
24,500
6″
355,6
47,6
215,9
222,2
170,7
66,7
292,1
12
28,6
29,500
8″
419,1
55,6
269,9
273,0
221,5
76,2
349,2
12
31,7
43,000
10″
508,0
63,5
323,8
342,8
276,3
85,7
431,8
16
34,9
70,000
12″
558,8
66,7
381,0
400,0
327,1
92,1
488,9
20
34,9
86,000
14″
603,2
69,8
412,7
431,8
359,1
93,7
527,0
20
38,1
100,000
16″
685,8
76,2
469,9
495,3
410,5
106,4
603,2
20
41,3
142,000
18″
742,9
82,5
533,4
546,1
461,8
117,5
654,0
20
44,4
175,000
20″
812,8
88,9
584,2
609,6
513,1
127,0
723,9
24
44,4
232,000
22″
869,9
95,2
641,2
666,7
564,4
133,3
777,9
24
47,6
292,000
24″
939,8
101,6
692,1
717,5
615,9
139,7
838,2
24
50,8
330,000

 

Dimensional Tolerance of ASME B16.5 Weld Neck Flange

Outside Diameter
≤ 24 = 1.6 mm | > 24 = ± 3.2 mm		 Inside Diameter
not applicable
Diameter of Contact Face
1.6 mm Raised Face = ± 0.8 mm
6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm		 Outside Diameter of Hub
≤ 12 = + 2.4 mm / – 1.6 mm | ≥ 14 = ± 3.2 mm
Diameter of Counterbore
not applicable		 Drilling
Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm
Eccentricity of Bolt Circle with Respect to Facing
≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max.
Thickness
≤ 18 = + 3.2 mm / – 0 | ≥ 20 = + 4.8 mm / – 0		 Length thru Hub
≤ 18 = + 3.2 mm / – 0.8 mm | ≥ 20 = + 4.8 mm / – 1.6 mm