Flanges
The above fittings are also manufactured in BS, DIN, JIS,
SAE & IS Standards or any other international standards.
ASTM A105:
Forged carbon steel pipe fittings, flanges, forgings, rings, shafts,
squares.
ASTM A181:
Crank shaft, rectangular bar & tube sheets.
ASTM A182:
Gr.F1/ F2/ F5/ F9/ F11/ F12/ F22/ F91/ F304/ F304H/ F304L/ F310/
F316/F316H/ F316L/ F316Ti / F321/ F347.
Wrought alloy steel & stainless steel pipe fittings & flanges and
part for high-temperature services.
ASTM A-350
GR.LF1/ LF2/ LF3/ LF5/ LF6/ LF9.
Wrought forging carbon & low-alloy steel fitting and flanges.
ASTM A-420
GR. WPL1/ WPL3/ WPL6/ WPL8/ WPL9.
Wrought carbon steel & alloy steel fittings for low temperature
services.
ANSI B16.5:
Forged flanges type WNRF, SORF, SWRF, SOLJ, SCRD, BLRF, threaded, T&G,
LG, SG & RTJ. (150# to2500#) size ranging from 1/2” to 42”
ANSI B16.36
Forged orifice flanges type (150# to2500#) size ranging from 1/2” to 8”
The above fittings can also be manufactured and supplied as per NACE
STANDARD MR0175-97.
Dimensions of Class 150 Flanges as per ANSI b 16.5
| Nominal Pipe Size |
Flange Dia |
Dia of Bolt Circle |
Dia of Bolt Holes |
No. of Flange |
Thk of Flange |
Dia of Hub |
Length through Hub |
Dia of Bore |
Dia of R/F |
Depth of Socket |
| S/O & S/W |
W/N |
L/J |
S/O & S/W |
L/J |
| O |
A |
D |
- |
C |
E |
Y |
Y |
Y |
B |
B |
R |
F |
| 15 |
88.9 |
60.3 |
15.9 |
4 |
11.1 |
30.2 |
15.9 |
47.6 |
15.9 |
22.3 |
22.9 |
34.9 |
9.5 |
| 20 |
98.4 |
69.8 |
15.9 |
4 |
12.7 |
38.1 |
15.9 |
52.4 |
15.9 |
27.7 |
28.2 |
42.9 |
11.1 |
| 25 |
107.9 |
79.4 |
15.9 |
4 |
14.3 |
49.2 |
17.5 |
55.6 |
17.5 |
34.5 |
35 |
50.8 |
12.7 |
| 32 |
117.5 |
88.9 |
15.9 |
4 |
15.9 |
58.7 |
20.6 |
57.1 |
20.6 |
43.2 |
43.7 |
63.5 |
14.3 |
| 40 |
127 |
98.4 |
15.9 |
4 |
17.5 |
65.1 |
22.2 |
61.9 |
22.2 |
49.5 |
50 |
73 |
15.9 |
| 50 |
152.4 |
120.6 |
19 |
4 |
19 |
77.8 |
25.4 |
63.5 |
25.4 |
62 |
62.5 |
92.1 |
17.5 |
| 65 |
177.8 |
139.7 |
19 |
4 |
22.2 |
90.5 |
28.6 |
69.8 |
28.6 |
74.7 |
75.4 |
104.8 |
19 |
| 80 |
190.5 |
152.4 |
19 |
4 |
23.8 |
107.9 |
30.2 |
69.8 |
30.2 |
90.7 |
91.4 |
127 |
20.6 |
| 100 |
228.6 |
190.5 |
19 |
8 |
23.8 |
134.9 |
33.3 |
76.2 |
33.3 |
116.1 |
116.8 |
157.2 |
23.8 |
| 125 |
254 |
215.9 |
22.2 |
8 |
23.8 |
163.5 |
36.5 |
88.9 |
36.5 |
143.8 |
144.5 |
185.7 |
23.8 |
| 150 |
279.4 |
241.3 |
22.2 |
8 |
25.4 |
192.1 |
39.7 |
88.9 |
39.7 |
170.7 |
170.4 |
215.9 |
27 |
| 200 |
342.9 |
298.4 |
22.2 |
8 |
28.6 |
246.1 |
44.4 |
101.6 |
44.4 |
221.5 |
222.4 |
269.9 |
31.7 |
| 250 |
406.4 |
361.9 |
25.4 |
12 |
30.2 |
304.8 |
49.2 |
101.6 |
49.2 |
276.3 |
277.4 |
323.8 |
33.3 |
| 300 |
482.6 |
431.8 |
25.4 |
12 |
31.8 |
365.1 |
55.6 |
114.3 |
55.6 |
327.1 |
328.2 |
381 |
39.7 |
| 350 |
533.4 |
476.2 |
28.6 |
12 |
34.9 |
400 |
57.1 |
127 |
79.4 |
359.1 |
360.2 |
412.7 |
41.3 |
| 400 |
596.6 |
539.7 |
28.6 |
16 |
36.5 |
457.2 |
63.5 |
127 |
87.3 |
410.5 |
411.2 |
469.9 |
44.4 |
| 450 |
635 |
577.8 |
31.7 |
20 |
39.7 |
504.8 |
68.3 |
139.7 |
96.8 |
461.8 |
462.3 |
533.4 |
49.2 |
| 500 |
698.5 |
635 |
31.7 |
20 |
42.9 |
558.8 |
73 |
144.5 |
103.2 |
513.1 |
514.3 |
584.4 |
54 |
| 600 |
812.8 |
749.3 |
34.9 |
20 |
47.6 |
663.6 |
82.5 |
152.4 |
111.1 |
615.9 |
615.9 |
692.1 |
63.5 |
Dimensions of Class 300 Flanges as per ANSI B 16.5
| Nominal Pipe Size |
Flange Dia |
Dia of Bolt Circle |
Dia of Bolt Holes |
No. of Flange |
Thk of Flange |
Dia of Hub |
Length through Hub |
Dia of Bore |
Dia of R/F |
Depth of Socket |
| S/O & S/W |
W/N |
L/J |
S/O & S/W |
L/J |
| O |
A |
D |
- |
C |
E |
Y |
Y |
Y |
B |
B |
R |
F |
| 15 |
95.2 |
66.7 |
15.9 |
4 |
14.3 |
38.1 |
22.2 |
52.4 |
22.2 |
22.3 |
22.9 |
34.9 |
9.5 |
| 20 |
117.5 |
82.5 |
19 |
4 |
15.9 |
47.6 |
25.4 |
57.1 |
25.4 |
27.7 |
28.2 |
42.9 |
11.1 |
| 25 |
123.8 |
88.9 |
19 |
4 |
17.5 |
54 |
27 |
61.9 |
27 |
34.5 |
35 |
50.8 |
12.7 |
| 32 |
133.3 |
98.4 |
19 |
4 |
19 |
63.5 |
27 |
65.1 |
27 |
43.2 |
43.7 |
63.5 |
14.3 |
| 40 |
155.6 |
114.3 |
22.2 |
4 |
20.6 |
69.884.1 |
30.2 |
68.3 |
30.2 |
49.5 |
50 |
73 |
15.9 |
| 50 |
165.1 |
127 |
19 |
8 |
22.2 |
100 |
33.3 |
69.8 |
33.3 |
62 |
62.5 |
92.1 |
17.5 |
| 65 |
190.5 |
149.2 |
22.2 |
8 |
25.4 |
117.5 |
38.1 |
76.2 |
38.1 |
74.7 |
75.4 |
104.8 |
19 |
| 80 |
209.5 |
168.3 |
22.2 |
8 |
28.6 |
146 |
42.9 |
79.4 |
42.9 |
90.7 |
91.4 |
127 |
20.6 |
| 100 |
254 |
200 |
22.2 |
8 |
31.8 |
177.8 |
47.6 |
85.7 |
47.6 |
116.1 |
116.8 |
157.2 |
23.8 |
| 125 |
279.4 |
234.9 |
22.2 |
8 |
34.9 |
206.4 |
50.8 |
98.4 |
50.8 |
143.8 |
143.5 |
185.7 |
- |
| 150 |
317.5 |
269.9 |
22.2 |
12 |
36.5 |
206.3 |
52.4 |
98.4 |
52.4 |
170.7 |
170.4 |
215.9 |
- |
| 200 |
381 |
330.2 |
25.4 |
12 |
41.3 |
260.3 |
61.9 |
111.1 |
61.9 |
221.5 |
222.4 |
269.9 |
- |
| 250 |
444.5 |
387.3 |
28.6 |
16 |
47.6 |
320.7 |
66.7 |
117.5 |
95.2 |
276.3 |
277.4 |
323.8 |
- |
| 300 |
520.7 |
450.8 |
31.7 |
16 |
50.8 |
374.6 |
73 |
130.2 |
101.6 |
327.1 |
328.2 |
381 |
- |
| 350 |
584.2 |
514.3 |
31.7 |
20 |
54 |
425.4 |
76.2 |
142.9 |
111.1 |
359.1 |
360.2 |
412.7 |
- |
| 400 |
647.7 |
571.5 |
34.9 |
20 |
57.2 |
482.6 |
82.5 |
146 |
120.6 |
410.5 |
411.2 |
469.9 |
- |
| 450 |
711.2 |
628.5 |
34.9 |
24 |
60.3 |
533.4 |
88.9 |
158.7 |
130.2 |
461.8 |
462.3 |
533.4 |
- |
| 500 |
774.7 |
685.8 |
34.9 |
24 |
63.5 |
587.4 |
95.2 |
161.9 |
139.7 |
513.1 |
514.3 |
584.4 |
- |
| 600 |
914.4 |
812.8 |
41.3 |
24 |
69.8 |
701.7 |
106.4 |
168.3 |
152.4 |
615.9 |
615.9 |
692.1 |
- |
Dimensions of Class 600 Flanges as per ANSI B 16.5
| Nominal Pipe Size |
Flange Dia |
Dia of Bolt Circle |
Dia of Bolt Holes |
No. of Flange |
Thk of Flange |
Dia of Hub |
Length through Hub |
Dia of Bore |
Dia of R/F |
Depth of Socket |
| S/O & S/W |
W/N |
L/J |
S/O & S/W |
L/J |
| O |
A |
D |
- |
C |
E |
Y |
Y |
Y |
B |
B |
R |
F |
| 15 |
95.2 |
66.7 |
15.9 |
4 |
14.3 |
38.1 |
22.2 |
52.4 |
22.3 |
22.3 |
22.8 |
34.9 |
9.5 |
| 20 |
117.5 |
82.5 |
19 |
4 |
15.9 |
47.6 |
25.4 |
57.1 |
25.4 |
27.7 |
28.1 |
42.9 |
11.1 |
| 25 |
123.8 |
88.9 |
19 |
4 |
17.5 |
54 |
27 |
61.9 |
26.9 |
34.5 |
35 |
50.8 |
12.7 |
| 32 |
133.3 |
98.4 |
19 |
4 |
20.6 |
63.5 |
28.6 |
66.7 |
28.4 |
43.2 |
43.6 |
63.5 |
14.2 |
| 40 |
155.6 |
114.3 |
22.2 |
4 |
22.2 |
69.8 |
31.7 |
69.8 |
31.7 |
49.5 |
50 |
73 |
15.8 |
| 50 |
165.1 |
127 |
19 |
8 |
25.4 |
84.1 |
36.5 |
73 |
36.5 |
62 |
62.4 |
92.1 |
17.4 |
| 65 |
190.5 |
149.2 |
22.2 |
8 |
28.6 |
100 |
41.3 |
79.4 |
41.1 |
74.7 |
75.4 |
104.8 |
19 |
| 80 |
209.5 |
168.3 |
22.2 |
8 |
31.8 |
117.5 |
46 |
82.5 |
45.9 |
90.7 |
91.4 |
127 |
- |
| 100 |
273 |
215.9 |
25.4 |
8 |
38.1 |
152.4 |
54 |
101.6 |
53.8 |
116.1 |
116.8 |
157.2 |
- |
| 125 |
330.2 |
266.7 |
28.6 |
8 |
44.4 |
188.9 |
60.3 |
114.3 |
60.4 |
143.8 |
141.5 |
185.7 |
- |
| 150 |
355.6 |
292.1 |
28.6 |
12 |
47.6 |
222.2 |
66.7 |
117.5 |
66.5 |
170.7 |
171.4 |
215.9 |
- |
Dimensions of Class 900 Flanges as per ANSI B 16.5
| Nominal Pipe Size |
Flange Dia |
Dia of Bolt Circle |
Dia of Bolt Holes |
No. of Flange |
Thk of Flange |
Dia of Hub |
Length through Hub |
Dia of Bore |
Dia of R/F |
Depth of Socket |
| S/O & S/W |
W/N |
L/J |
S/O & S/W |
L/J |
| O |
A |
D |
- |
C |
E |
Y |
Y |
Y |
B |
B |
R |
F |
| 15 |
120.6 |
82.5 |
22.2 |
4 |
22.2 |
38.1 |
31.7 |
60.3 |
31.7 |
22.3 |
22.8 |
34.9 |
9.5 |
| 20 |
130.2 |
88.9 |
22.2 |
4 |
25.4 |
44.4 |
34.9 |
69.8 |
35.0 |
27.7 |
28.1 |
42.9 |
11.1 |
| 25 |
149.2 |
101.6 |
25.4 |
4 |
28.6 |
52.4 |
41.3 |
73.0 |
41.1 |
34.5 |
35.0 |
50.8 |
12.7 |
| 32. |
158.7 |
111.1 |
25.4 |
4 |
28.6 |
63.5 |
41.3 |
73.0 |
41.1 |
43.2 |
43.6 |
63.5 |
14.2 |
| 40 |
177.8 |
123.8 |
28.6 |
4 |
31.8 |
69.8 |
44.4 |
82.5 |
44.4 |
49.5 |
50.0 |
73.0 |
15.8 |
| 50 |
215.9 |
165.1 |
25.4 |
8 |
38.1 |
104.8 |
57.1 |
101.6 |
57.1 |
62.0 |
62.4 |
92.1 |
17.4 |
| 65 |
244.5 |
190.5 |
28.6 |
8 |
41.3 |
123.8 |
63.5 |
104.8 |
63. |
74.7 |
75.4 |
104.8 |
19.0 |
| 80 |
241.3 |
190.5 |
25.4 |
8 |
38.1 |
127.0 |
53.9 |
101.6 |
53.8 |
90.7 |
91.4 |
127.0 |
- |
| 100 |
292.1 |
234.9 |
31.7 |
8 |
44.4 |
158.7 |
69.8 |
114.3 |
69.8 |
116.1 |
116.8 |
157.2 |
- |
| 125 |
349.2 |
279.4 |
35.0 |
8 |
50.8 |
190.5 |
79.3 |
127.0 |
79.2 |
143.8 |
141.5 |
185.7 |
- |
| 150 |
381.0 |
317.5 |
31.7 |
12 |
55.6 |
234.9 |
85.8 |
139.7 |
85.8 |
170.7 |
171.4 |
215.9 |
- |
Dimensions of Class 1500 Flanges as Per ANSI B 16.5
| Nominal Pipe Size |
Flange Dia |
Dia of Bolt Circle |
Dia of Bolt Holes |
No. of Flange |
Thk of Flange |
Dia of Hub |
Length through Hub |
Dia of Bore |
Dia of R/F |
Depth of Socket |
| S/O & S/W |
W/N |
L/J |
S/O & S/W |
L/J |
| O |
A |
D |
- |
C |
E |
Y |
Y |
Y |
B |
B |
R |
F |
| 15 |
120.6 |
82.5 |
22.2 |
4 |
22.2 |
38.1 |
31.7 |
60.3 |
31.7 |
22.3 |
22.8 |
34.9 |
9.5 |
| 20 |
130.2 |
88.9 |
22.2 |
4 |
25.4 |
44.4 |
34.9 |
69.8 |
34.9 |
27.7 |
28.1 |
42.9 |
11.1 |
| 25 |
149.2 |
101.6 |
25.4 |
4 |
28.6 |
52.4 |
41.3 |
73 |
41.3 |
34.5 |
35 |
50.8 |
12.7 |
| 32 |
158.7 |
111.1 |
25.4 |
4 |
28.6 |
63.5 |
41.3 |
73 |
41.3 |
43.2 |
43.6 |
63.5 |
14.2 |
| 40 |
177.8 |
123.8 |
28.6 |
4 |
31.8 |
69.8 |
44.4 |
82.5 |
44.4 |
49.5 |
50 |
73 |
15.8 |
| 50 |
215.9 |
165.1 |
25.4 |
8 |
38.1 |
104.8 |
57.1 |
101.6 |
57.1 |
62 |
62 |
92.1 |
17.4 |
| 65 |
244.5 |
190.5 |
28.6 |
8 |
41.3 |
123.8 |
63.5 |
104.8 |
63.5 |
74.7 |
75.4 |
104.8 |
19 |
| 80 |
266.7 |
203.2 |
31.7 |
8 |
47.6 |
133.3 |
73 |
117.5 |
73 |
90.7 |
91.4 |
127 |
- |
Dimensions of Class 2500 Flanges As per ANSI B 16.5
| Nominal Pipe Size |
Flange Dia |
Dia of Bolt Circle |
Dia of Bolt Holes |
No. of Flange |
Thk of Flange |
Dia of Hub |
Length through Hub |
Dia of Bore |
Dia of R/F |
Depth of Socket |
| S/O & S/W |
W/N |
L/J |
S/O & S/W |
L/J |
| O |
A |
D |
- |
C |
E |
Y |
Y |
Y |
B |
B |
R |
F |
| 15 |
133.3 |
88.9 |
22.2 |
4 |
30.2 |
42.9 |
39.7 |
73.0 |
39.7 |
22.3 |
22.3 |
34.9 |
- |
| 20 |
139.7 |
95.2 |
22.2 |
4 |
31.7 |
50.8 |
42.9 |
79.4 |
42.9 |
27.7 |
57.7 |
42.9 |
- |
| 25 |
158.7 |
107.9 |
25.4 |
4 |
34.9 |
57.1 |
47.7 |
88.9 |
47.7 |
34.5 |
34.5 |
50.8 |
- |
| 32. |
184.1 |
130.2 |
28.6 |
4 |
38.1 |
73.0 |
52.4 |
95.2 |
52.4 |
43.2 |
43.2 |
63.5 |
- |
| 40 |
203.2 |
146.0 |
31.7 |
4 |
44.4 |
79.4 |
60.3 |
111.1 |
60.3 |
49.5 |
49.5 |
73.0 |
- |
| 50 |
234.9 |
171.4 |
28.6 |
8 |
50.8 |
95.2 |
69.8 |
127.0 |
69.8 |
62.4 |
62.0 |
92.1 |
- |
| 65 |
266.7 |
196.8 |
31.7 |
8 |
57.1 |
114.3 |
79.4 |
142.9 |
79.4 |
74.7 |
74.7 |
104.8 |
- |
| 80 |
304.8 |
228.6 |
34.9 |
8 |
66.7 |
133.3 |
92.1 |
168.3 |
92.1 |
90.7 |
90.7 |
127.0 |
- |
Our Product Range
