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Steel Blind Flange
We offer stainless steel blind flange in various
specifications and configurations to suit the requirement of the clients. We
use latest technology and comprehensive quality control systems in
manufacturing our product. These blind steel flange are made from high
quality steel which provides long lasting durability and high performance.
Our blind stainless steel flange are sturdy and gives high performance
meeting global demands at very reasonable prices. We assures delivery of the
products within stipulated time period.
Stainless Steel : ASTM A 182, A 240
Grade : F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H,
317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex
stainless steel UNS S32750
Carbon Steel : ASTM A 105, ASTM A 181
Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91
Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy
800, 825, Hastelloy C22,C276
ANSI B 900 Class
| Pipe |
Flange
Dimension |
RF |
Drilling
Dimension |
| Size |
|
A |
C |
G |
H |
I |
J |
Outer Diametermeter
mm |
Overall Diameter
mm |
Plate Thickness min
mm |
Face Diameter
mm |
Number of Holes |
Bolt Hole Diameter
mm |
PCD
mm |
| ½ |
21.30 |
120.6 |
22.30 |
35.10 |
4 |
22.30 |
82.50 |
| ¾ |
26.70 |
130.0 |
25.40 |
42.90 |
4 |
22.30 |
88.90 |
| 1 |
33.40 |
149.3 |
28.40 |
50.80 |
4 |
25.40 |
101.6 |
| 1 ¼ |
42.20 |
158.7 |
28.40 |
63.50 |
4 |
25.40 |
111.2 |
| 1 ½ |
48.30 |
177.8 |
31.70 |
73.15 |
4 |
28.40 |
123.9 |
| 2 |
60.30 |
215.9 |
38.10 |
91.90 |
8 |
25.40 |
165.1 |
| 2 ½ |
73.00 |
244.3 |
41.10 |
104.6 |
8 |
28.40 |
190.5 |
| 3 |
88.90 |
241.3 |
38.10 |
127.0 |
8 |
25.40 |
190.5 |
| 4 |
114.3 |
292.1 |
44.40 |
157.2 |
8 |
31.70 |
234.9 |
| 5 |
141.3 |
349.2 |
50.80 |
185.7 |
8 |
35.00 |
279.4 |
| 6 |
168.3 |
381.0 |
55.60 |
215.9 |
12 |
31.70 |
317.5 |
| 8 |
219.1 |
469.9 |
63.50 |
269.7 |
12 |
38.10 |
393.7 |
| 10 |
273.0 |
546.1 |
69.85 |
323.8 |
16 |
38.10 |
469.9 |
| 12 |
323.8 |
609.6 |
79.25 |
381.0 |
20 |
38.10 |
533.4 |
| 14 |
355.6 |
641.3 |
85.80 |
412.7 |
20 |
41.10 |
558.8 |
| 16 |
406.4 |
704.8 |
88.90 |
469.9 |
20 |
44.40 |
615.9 |
| 18 |
457.2 |
787.4 |
101.6 |
533.4 |
20 |
50.80 |
685.8 |
| 20 |
508.0 |
857.2 |
107.9 |
584.2 |
20 |
53.80 |
749.3 |
| 24 |
609.6 |
1041.4 |
139.7 |
692.1 |
20 |
66.55 |
901.7 |
Notes
- Steel blind flange weights are based on manufacturer's data and
are approximate.
|
ANSI B 1500 Class
| Pipe |
Flange
Dimension |
RF |
Drilling
Dimension |
| Size |
|
A |
C |
G |
H |
I |
J |
Outer Diametermeter
mm |
Overall Diameter
mm |
Plate Thickness min
mm |
Face Diameter
mm |
Number of Holes |
Bolt Hole Diameter
mm |
PCD
mm |
| ½ |
21.30 |
120.6 |
22.30 |
35.10 |
4 |
22.30 |
82.50 |
| ¾ |
26.70 |
130.0 |
25.40 |
42.90 |
4 |
22.30 |
88.90 |
| 1 |
33.40 |
149.3 |
28.40 |
50.80 |
4 |
25.40 |
101.6 |
| 1 ¼ |
42.20 |
158.7 |
28.40 |
63.50 |
4 |
25.40 |
111.2 |
| 1 ½ |
48.30 |
177.8 |
31.70 |
73.15 |
4 |
28.40 |
123.9 |
| 2 |
60.30 |
215.9 |
38.10 |
91.90 |
8 |
25.40 |
165.1 |
| 2 ½ |
73.00 |
244.3 |
41.10 |
104.6 |
8 |
28.40 |
190.5 |
| 3 |
88.90 |
266.7 |
47.70 |
127.0 |
8 |
31.70 |
203.2 |
| 4 |
114.3 |
311.1 |
53.80 |
157.2 |
8 |
35.00 |
241.3 |
| 5 |
141.3 |
374.6 |
73.15 |
185.7 |
8 |
41.10 |
292.1 |
| 6 |
168.3 |
393.7 |
82.50 |
215.9 |
12 |
38.10 |
317.5 |
| 8 |
219.1 |
482.6 |
91.90 |
269.7 |
12 |
44.40 |
393.7 |
| 10 |
273.0 |
584.2 |
107.9 |
323.8 |
12 |
50.80 |
482.6 |
| 12 |
323.8 |
673.1 |
123.9 |
381.0 |
16 |
53.80 |
571.5 |
| 14 |
355.6 |
749.3 |
133.3 |
412.7 |
16 |
60.45 |
635.0 |
| 16 |
406.4 |
825.5 |
146.0 |
469.9 |
16 |
66.55 |
704.8 |
| 18 |
457.2 |
914.4 |
162.0 |
533.4 |
16 |
73.15 |
774.7 |
| 20 |
508.0 |
984.2 |
177.8 |
584.2 |
16 |
79.25 |
831.8 |
| 24 |
609.6 |
1168.4 |
203.2 |
692.1 |
16 |
91.90 |
990.6 |
Notes
- ANSI B 1500 Class weights are based on manufacturer's data and
are approximate.
|
ANSI B 2500 Class
| Pipe |
Flange
Dimension |
RF |
Drilling
Dimension |
| Size |
|
A |
C |
G |
H |
I |
J |
Outer Diametermeter
mm |
Overall Diameter
mm |
Plate Thickness min
mm |
Face Diameter
mm |
Number of Holes |
Bolt Hole Diameter
mm |
PCD
mm |
| ½ |
21.30 |
133.4 |
30.20 |
35.10 |
4 |
22.40 |
88.90 |
| ¾ |
26.70 |
139.7 |
31.75 |
42.90 |
4 |
22.40 |
95.30 |
| 1 |
33.40 |
158.8 |
35.10 |
50.80 |
4 |
25.40 |
108.0 |
| 1 ¼ |
42.20 |
184.2 |
38.10 |
63.50 |
4 |
28.40 |
130.0 |
| 1 ½ |
48.30 |
203.2 |
44.50 |
73.15 |
4 |
31.75 |
146.1 |
| 2 |
60.30 |
235.0 |
50.80 |
91.90 |
8 |
28.40 |
171.5 |
| 2 ½ |
73.00 |
266.7 |
57.15 |
104.6 |
8 |
31.75 |
196.9 |
| 3 |
88.90 |
304.8 |
66.55 |
127.0 |
8 |
35.10 |
228.6 |
| 4 |
114.3 |
355.6 |
76.20 |
157.2 |
8 |
41.10 |
273.1 |
| 5 |
141.3 |
419.1 |
91.90 |
185.7 |
8 |
47.80 |
323.9 |
| 6 |
168.3 |
482.6 |
108.0 |
215.9 |
8 |
53.80 |
368.3 |
| 8 |
219.1 |
552.5 |
127.0 |
269.7 |
12 |
53.80 |
438.2 |
| 10 |
273.0 |
673.1 |
165.1 |
323.8 |
12 |
66.55 |
539.8 |
| 12 |
323.8 |
762.0 |
184.2 |
381.0 |
12 |
73.15 |
619.3 |
Notes
- Weights of ANSI B 2500 Class flanges are based on manufacturer's
data and are approximate.
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