Thane, Maharashtra
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CS/MS FLANGE

We, "Siemens Metal And Tubes" are a "Manufacturer, Wholesaler And Supplier" of high-quality Pipe Fittings, Mild Steel Pipes, Mild Steel Bars, Stainless Steel Pipes, Mild Steel Tube etc.

Our Products

CS/MS FLANGE

We are a renowned Manufacturer, Wholesaler, and Supplier of high-quality Carbon Steel (CS) and Mild Steel (MS) Flanges, catering to diverse industrial applications. Our flanges are engineered with precision and manufactured using superior-grade materials to ensure exceptional strength, durability, and reliability.
Our CS and MS Flanges are designed to meet the demands of industries such as oil & gas, petrochemicals, power generation, construction, and water treatment. Available in a wide variety of sizes, specifications, and pressure ratings, our flanges are perfect for applications requiring secure pipe connections, leak-proof sealing, and high resistance to wear and corrosion.
With state-of-the-art manufacturing facilities and stringent quality control processes, we ensure that every product adheres to international standards and exceeds client expectations. Whether you need customized solutions or bulk supplies, we provide competitive pricing, prompt delivery, and unparalleled customer support. Partner with us for reliable CS and MS flange solutions tailored to your needs.
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+91-9838347523

Features of MS Flanges

  1. Flange-like Design: Flanges have a but weld, threaded & socket-like design that allows the pipe to be inserted into the flange.
  2. Welded Connection: They are designed to be welded to the end of a pipe, creating a secure and leak-proof connection.
  3. High Strength: Flanges offer high strength and durability.
  4. Resistant to Corrosion: They are resistant to corrosion and can withstand harsh environments.

Benefits of Flanges

  1. Secure Connection: Flanges provide a secure and leak-proof connection.
  2. High Pressure Resistance: They can withstand high pressures and temperatures.
  3. Low Maintenance: Flanges require minimal maintenance.
  4. Cost-Effective: They are a cost-effective solution for piping connections.

Applications of Flanges

  1. Oil and Gas Industry: Flanges are used in the oil and gas industry for piping connections.
  2. Chemical Industry: They are used in the chemical industry to handle corrosive fluids.
  3. Power Plants: Flanges are used in power plants for high-pressure piping connections.
  4. Other Industrial Applications: They are used in various other industrial applications, including water treatment, pharmaceuticals, and food processing.

High Quality Solutions

Types of Flanges

Class 150 Flange:

This type of flange is rated for 150 psi.

Class 300 Flange:

This type of flange is rated for 300 psi.

Class 600 Flange:

This type of flange is rated for 600 psi.

Slip On Flange

A Slip-On Flange is a type of flange that is slipped over the end of a pipe and welded in place. It has a hole that matches the pipe's diameter and is designed to fit snugly over the pipe.

Weld Neck Flange

A Weld Neck Flange is a type of flange that is designed to be welded to the end of a pipe. It has a long neck that is tapered to match the pipe's diameter, allowing for a strong and secure weld.

Blind Flange

A Blind Flange is a type of flange that is used to seal the end of a pipe or a vessel. It is a solid, flat disc with a flange on the back that is used to bolt it to another flange or a vessel.

Threaded Flange

A Threaded Flange is a type of flange that has a threaded connection, allowing it to be screwed onto a pipe or a fitting. It is designed to provide a secure and leak-proof connection.

Socket Flange

A Socket Weld Flange is a type of flange that is designed to be welded to the end of a pipe. It has a socket-like design that allows the pipe to be inserted into the flange, creating a secure and leak-proof connection.

DIMENSION OF PIPE FLANGES AS PER TABLE BS- 10

Table D: For Working Steam Pressure upto 50 Ibs per sq. inch

Nominal
O.D of
Dia. of
Dia. of
No. of
Dia. of
Thickness
Pipe size
Pipe
Flange
Bolt Circle
Bolt
Bolt
1/2"
21.3
95.3
66.7
4
12.7
4.8
3/4"
26.7
101.6
73.0
4
12.7
4.8
1"
33.4
114.3
82.6
4
12.7
4.8
1 1/4"
42.2
120.7
87.6
4
12.7
6.4
1 1/2"
48.3
133.4
98.4
4
12.7
6.4
2"
60.3
152.4
114.3
4
15.9
7.9
2 1/2"
73.0
165.1
127.0
4
15.9
7.9
3"
88.9
184.2
146.1
4
15.9
9.5
3 1/2"
101.6
203.2
165.1
4
15.9
9.5
4"
114.3
215.9
177.8
4
15.9
9.5
5"
141.3
254.0
209.6
8
15.9
12.7
6"
168.3
279.4
228.6
8
15.9
12.7
7"
190.5
304.8
260.4
8
15.9
12.7
8"
219.1
336.6
292.1
8
15.9
12.7
9"
244.5
368.3
323.9
8
15.9
15.9
10"
273.0
406.4
355.6
8
19.1
15.9
12"
323.9
457.2
406.4
12
19.1
15.9
14"
355.6
527.1
469.9
12
22.2
19.1
16"
406.4
577.9
520.7
12
22.2
19.1
18"
457.2
641.4
584.2
12
22.2
22.2
20"
508.0
704.9
641.4
16
22.5
25.4
24"
609.6
825.5
755.7
16
25.4
28.6

Table E: For Working Steam Pressure 50 Ibs upto 100 Ibs per sq. inch

Nominal
Dia. of
Dia. of
No. of
Dia. of
Thickness
Pipe Size
Flange
Bolt Circle
Bolt
Bolt
1/2"
95.3
66.7
4
12.7
6.4
3/4"
101.6
73.0
4
12.7
6.4
1"
114.3
82.6
4
12.7
7.1
1 1/4"
120.7
87.3
4
12.7
7.9
1 1/2"
133.4
98.4
4
12.7
8.7
2"
152.4
114.3
4
15.9
9.5
2 1/2"
165.1
127.0
4
15.9
10.3
3"
184.2
146.1
4
15.9
11.1
3 1/2"
203.2
165.1
8
15.9
11.9
4"
215.9
177.8
8
15.9
12.7
5"
254.0
209.6
8
15.9
14.3
6"
279.4
228.6
8
19.1
17.5
7"
304.8
260.4
8
19.1
19.1
8"
336.6
292.1
8
19.1
19.1
9"
368.3
323.9
12
19.1
20.6
10"
406.4
355.6
12
19.1
22.2
12"
457.2
406.4
12
22.2
25.4
14"
527.2
469.9
12
22.2
25.4
16"
577.9
520.7
12
22.2
25.4
18"
641.4
584.2
16
22.2
28.6
20"
704.9
647.4
16
22.2
31.8
24"
825.5
755.7
16
25.4
38.1

Table F: For Working Steam Pressure above 100 Ibs and upto 150 Ibs per sq. inch

Nominal
O.D. of
Dia of
Dia of
No. of
Dia. of
Thickness
Pipe Size
Pipe
Flange
Bolt Circle
Bolt
Bolt
1/2"
21.3
95.3
66.7
4
12.7
9.5
3/4"
26.7
101.6
73.0
4
12.7
9.5
1"
33.4
120.7
87.3
4
15.9
9.5
1 1/4"
42.2
133.4
98.4
4
15.9
12.7
1 1/2"
48.3
139.7
104.8
4
15.9
12.7
2"
60.3
165.1
127.0
4
15.9
15.9
2 1/2"
73.0
184.2
146.1
8
15.9
15.9
3"
88.9
203.2
165.1
8
15.9
15.9
3 1/2"
101.6
215.9
177.8
8
15.9
19.1
4"
114.3
228.6
190.5
8
15.9
19.1
5"
141.3
279.4
235.0
8
19.1
22.2
6"
168.3
304.8
260.4
12
19.1
22.2
7"
190.3
336.6
292.1
12
19.1
22.2
8"
219.1
368.3
323.9
12
19.1
25.4
9"
244.5
406.4
355.6
12
22.2
25.4
10"
273.0
431.8
381.0
12
22.2
25.4
12"
323.0
489.0
438.2
16
22.2
28.6
14"
355.6
552.5
495.3
16
25.4
31.8
16"
406.4
609.6
552.5
20
25.4
31.8
18"
457.2
673.1
609.6
20
28.6
34.9
20"
508.0
736.6
673.1
24
28.6
38.1
24"
609.6
850.9
781.1
24
31.8
41.3

Table H: For Working Steam Pressure above 150 Ibs and upto 250 Ibs per sq. inch

Nominal
Dia of
Dia. of
No. of
Dia. of
Thickness
Pipe size
Flange
Bolt Circle
Bolt
Bolt
1/2"
114.3
82.6
4
15.9
12.7
3/4"
114.3
82.6
4
15.9
12.7
1"
120.78
87.3
4
15.9
14.3
1 1/4"
133.4
98.4
4
15.9
17.5
1 1/2"
139.7
104.8
4
15.9
17.5
2"
165.1
127.0
4
15.9
19.1
2 1/2"
184.2
146.1
8
15.9
19.1
3"
203.2
165.1
8
15.9
22.2
3 1/2"
215.9
177.8
8
15.9
22.2
4"
228.6
190.5
8
15.9
25.4
5"
279.4
235.0
8
19.1
28.6
6"
304.8
260.4
12
19.1
28.6
7"
336.6
292.1
12
19.1
31.8
8"
368.3
323.9
12
19.1
31.8
9"
406.4
355.6
12
22.2
34.9
10"
431.8
381.0
12
22.2
34.9
12"
489.0
438.2
16
22.2
38.1
14"
552.5
495.3
16
25.4
41.3
16"
609.6
552.5
20
25.4
44.5
18"
673.1
609.6
20
28.6
47.6
20"
736.6
673.1
24
28.6
50.8
24"
850.9
781.1
24
31.8
57.2


FORGED FLANGES TO ANSI B 16.5 (ASA 150 / 300 LBS)

Slip On Flange

Slip On Flange

Weld Neck Flange

Welding Neck Flange

Blind Flange

Blind Flange

150 LBS

Nominal
Flange
Dia of
Dia of
Length through Hub
Dia of Bore
Pipe Size
Pipe size
Dia
Bolt
Bolt
No. of
Thk. of
Dia of
S/O & S/W
W/N
L/J
S/O & S/W
L/J
Dia of
Depth of
Circle
Holes
Holes
Flange
Hub
R/F
Socket
(MM)
(INCH.)
O
A
D
C
E
Y
Y
Y
B
B
R
F
15
1/2
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
3/4
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
1
107.9
79.4
15.9
4
14.3
49.2
17.5
55.6
17.5
34.5
35.0
50.8
12.7
32
1 1/4
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
1 1/2
127.0
98.4
15.9
4
17.5
65.1
22.2
61.9
22.2
49.5
50.0
73.0
15.9
50
2
152.4
120.6
19.0
4
19.0
77.8
25.4
63.5
25.4
62.0
62.5
92.1
17.5
65
2 1/2
177.8
139.7
19.0
4
22.2
90.5
28.6
69.8
28.6
74.7
75.4
104.8
19.0
80
3
190.5
152.4
19.0
4
23.8
107.9
30.2
69.8
30.2
90.7
91.4
127.0
20.6
100
4
228.6
190.5
19.0
8
23.8
134.9
33.3
76.2
33.3
116.1
116.8
157.2
23.8
125
5
254.0
215.9
22.2
8
23.8
163.5
36.5
88.9
36.5
143.8
144.5
185.7
23.8
150
6
279.4
241.3
22.2
8
25.4
192.1
39.7
88.9
39.7
170.7
171.4
215.9
27.0
200
8
342.9
298.4
22.2
8
28.6
246.1
44.4
101.6
44.4
221.5
222.2
269.9
31.7
250
10
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
12
482.6
431.8
25.4
12
31.8
365.1
55.6
114.3
55.6
327.1
328.2
381.0
39.7
350
14
533.4
476.2
28.6
12
34.9
400.0
57.1
127.0
79.4
359.1
360.2
412.7
41.3
400
16
596.9
539.7
28.6
16
36.5
457.2
63.5
127.0
87.3
410.5
411.2
469.9
44.4
450
18
635.0
577.8
31.7
16
39.7
504.8
68.3
139.7
96.8
461.8
462.3
533.4
49.2
500
20
698.5
635.0
31.7
20
42.9
558.8
73.0
144.5
103.2
513.1
514.3
584.2
54.0
600
24
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


300 LBS
Length through Hub
Dia of Bore
Nominal Pipe
Flange Dia
Dia of Bolt
Dia of Bolt
No. of
Thk. of
Dia of
S/O & S/W
W/N
L/J
S/O & S/W
L/J
Dia of
Depth of
Size
Circle
Holes
Holes
Flange
Hub
R/F
Socket
(MM)
(INCH.)
O
A
D
C
E
Y
Y
Y
B
B
R
F
15
1/2
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
3/4
117.5
82.5
19.0
4
15.9
47.6
25.4
57.1
25.4
27.7
28.2
42.9
11.1
25
1
123.8
88.9
19.0
4
17.5
54.0
27.0
61.9
27.0
34.5
35.0
50.8
12.7
32
1 1/4
133.3
98.4
19.0
4
19.0
63.5
27.0
65.1
27.0
43.2
43.7
63.5
14.3
40
1 1/2
155.6
114.3
22.2
4
20.6
69.8
30.2
68.3
30.2
49.5
50.0
73.0
15.9
50
2
165.1
127.0
19.0
8
22.2
84.1
33.3
69.8
33.3
62.0
62.5
92.1
17.5
65
2 1/2
190.5
149.2
22.2
8
25.4
100.0
38.1
76.2
38.1
74.7
75.4
104.8
19.0
80
3
209.5
168.3
22.2
8
28.6
117.5
42.9
79.4
42.9
90.7
91.4
127.0
20.6
100
4
254.0
200.0
22.2
8
31.8
146.0
47.6
85.7
47.6
116.1
116.8
157.2
23.8
125
5
279.4
234.9
22.2
8
34.9
177.8
50.8
98.4
50.8
143.8
144.5
185.7
-
150
6
317.5
269.9
22.2
12
36.5
206.4
52.4
98.4
52.4
170.7
171.4
215.9
-
200
8
381.0
330.2
25.4
12
41.3
260.3
61.9
111.1
61.9
221.5
222.2
269.9
-
250
10
444.5
387.3
28.6
16
47.6
320.7
66.7
117.5
95.2
276.3
277.4
323.8
-
300
12
520.7
450.8
31.7
16
50.8
374.6
73.0
130.2
101.6
327.1
328.2
381.0
-
350
14
584.2
514.3
31.7
20
54.0
425.4
76.2
142.9
111.1
359.1
360.2
412.7
-
400
16
647.7
571.5
34.9
20
57.2
482.6
82.5
146.0
120.6
410.5
411.2
469.9
-
450
18
711.2
628.5
34.9
24
60.3
533.4
88.9
158.7
130.2
461.8
462.3
533.4
-
500
20
774.7
685.8
34.9
24
63.5
587.4
95.2
161.9
139.7
513.1
514.3
584.2
-
600
24
914.4
812.8
41.3
24
69.8
701.7
106.4
168.3
152.4
615.9
615.9
692.1
-


 

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