Alloy Steel Blind Flanges Manufacturer and Supplier In India
Naysha Steel, a prominent alloy steel blind flanges manufacturer and supplier in Mumbai, India, offers superior quality products for various industrial applications. With a commitment to excellence, we ensure precision engineering, durability, and reliable performance of our alloy steel blind flanges. Our comprehensive range of blind alloy steel flanges caters to diverse requirements, meeting international quality standards. Naysha Steel's expertise, state-of-the-art manufacturing facilities, and adherence to strict quality control measures make them a trusted choice for customers in India and beyond. Experience seamless operations and enhanced efficiency with Naysha Steel's top-notch blind alloy steel flanges. We also are top-level alloy steel flanges suppliers and dealers in india.
Types of Blind Alloy Steel Flanges
Raised face alloy steel blind flanges are commonly used in applications where a positive seal is required to prevent leakage. Flat face blind flanges alloy steel are suitable for low-pressure applications where a seal can be achieved using a full-face gasket. RTJ blind flanges alloy steel are commonly used in critical applications, such as oil and gas pipelines and petrochemical plants. These alloy steel blind flanges are often used in applications where easy assembly and disassembly are required. Our alloy blind flanges are commonly used in pipeline construction and maintenance applications. We, at Naysha Steel are premium level alloy steel blind flanges dealer. We deal with all kind of alloy steel blind flanges, suited according to your needs.
- Raised Face Blind Flanges: These flanges have a raised face on the sealing surface, which provides a flat mating surface for the gasket.
- Flat Face Blind Flanges: Flat face blind flanges have a flat sealing surface without any raised features.
- Ring Type Joint (RTJ) Blind Flanges: RTJ blind flanges feature a groove machined into the flange face and use a metallic ring gasket.
- Paddle Spacer Blind Flanges: Paddle spacer blind flanges are solid plates with no bore opening.
- Spectacle Blind Flanges: Spectacle blind flanges consist of two metal discs connected by a handle or a pin. One disc is solid, acting as a blind plate, while the other has a hole or opening.
Features of Blind Alloy Steel Flanges
- Blind Alloy Steel flanges are highly resistant to corrosion, making them suitable for use in corrosive environments.
- Blind Alloy Steel flanges possess excellent strength properties, allowing them to withstand high-pressure and high-temperature conditions.
- These flanges are designed and manufactured to be durable and long-lasting.
- Blind Alloy Steel flanges are available in a wide range of sizes, pressure ratings, and materials, allowing them to be used in diverse applications.
- Blind Alloy Steel flanges are relatively simple to install and require basic bolting and gasketing techniques.
Size of
Alloy Steel Blind Flanges
| Nominal Size |
Outside Diameter
(OD) |
Min. Thickness
(T) |
RF Dia.
(R) |
No. of Bolt Holes |
Diameter of Holes |
Bolt Circle
(BC) |
SO Bore ID
(SB) |
WN Bore ID
(WB) |
Dia. Hub Base
(HB) |
Dia. of Hub Top
(HT) |
SO LTH
(SL) |
WN LTH
(WL) |
| 1⁄2 |
3.50 |
0.38 |
1.38 |
4 |
0.62 |
2.38 |
0.88 |
0.62 |
1.19 |
0.84 |
0.56 |
1.81 |
| 3⁄4 |
3.88 |
0.44 |
1.69 |
4 |
0.62 |
2.75 |
1.09 |
0.82 |
1.50 |
1.05 |
0.56 |
2.00 |
| 1 |
4.25 |
0.50 |
2.00 |
4 |
0.62 |
3.12 |
1.36 |
1.05 |
1.94 |
1.32 |
0.62 |
2.12 |
| 11⁄4 |
4.62 |
0.56 |
2.50 |
4 |
0.62 |
3.50 |
1.70 |
1.38 |
2.31 |
1.66 |
0.75 |
2.19 |
| 11⁄2 |
5.00 |
0.62 |
2.88 |
4 |
0.62 |
3.88 |
1.95 |
1.61 |
2.56 |
1.90 |
0.81 |
2.38 |
| 2 |
6.00 |
0.69 |
3.62 |
4 |
0.75 |
4.75 |
2.44 |
2.07 |
3.06 |
2.38 |
0.94 |
2.44 |
| 21⁄2 |
7.00 |
0.81 |
4.12 |
4 |
0.75 |
5.50 |
2.94 |
2.47 |
3.56 |
2.88 |
1.06 |
2.69 |
| 3 |
7.50 |
0.88 |
5.00 |
4 |
0.75 |
6.00 |
3.57 |
3.07 |
4.25 |
3.50 |
1.12 |
2.69 |
| 31⁄2 |
8.50 |
0.88 |
5.50 |
8 |
0.75 |
7.00 |
4.07 |
3.55 |
4.81 |
4.00 |
1.19 |
2.75 |
| 4 |
9.00 |
0.88 |
6.19 |
8 |
0.75 |
7.50 |
4.57 |
4.03 |
5.31 |
4.50 |
1.25 |
2.94 |
| 5 |
10.00 |
0.88 |
7.31 |
8 |
0.88 |
8.50 |
5.66 |
5.05 |
6.44 |
5.56 |
1.38 |
3.44 |
| 6 |
11.00 |
0.94 |
8.50 |
8 |
0.88 |
9.50 |
6.72 |
6.07 |
7.56 |
6.63 |
1.50 |
3.44 |
| 8 |
13.50 |
1.06 |
10.62 |
8 |
0.88 |
11.75 |
8.72 |
7.98 |
9.69 |
8.63 |
1.69 |
3.94 |
| 10 |
16.00 |
1.12 |
12.75 |
12 |
1.00 |
14.25 |
10.88 |
10.02 |
12.00 |
10.75 |
1.88 |
3.94 |
| 12 |
19.00 |
1.19 |
15.00 |
12 |
1.00 |
17.00 |
12.88 |
12.00 |
14.38 |
12.75 |
2.12 |
4.44 |
| 14 |
21.00 |
1.31 |
16.25 |
12 |
1.12 |
18.75 |
14.14 |
13.25 |
15.75 |
14.00 |
2.19 |
4.94 |
| 16 |
23.50 |
1.38 |
18.50 |
16 |
1.12 |
21.25 |
16.16 |
15.25 |
18.00 |
16.00 |
2.44 |
4.94 |
| 18 |
25.00 |
1.50 |
21.00 |
16 |
1.25 |
22.75 |
18.18 |
17.25 |
19.88 |
18.00 |
2.62 |
5.44 |
| 20 |
27.50 |
1.62 |
23.00 |
20 |
1.25 |
25.00 |
20.20 |
19.25 |
22.00 |
20.00 |
2.81 |
5.62 |
| 22 |
29.50 |
1.75 |
25.25 |
20 |
1.38 |
27.25 |
22.22 |
21.25 |
24.25 |
22.00 |
3.07 |
5.82 |
| 24 |
32.00 |
1.81 |
27.25 |
20 |
1.38 |
29.50 |
24.25 |
23.25 |
26.12 |
24.00 |
3.19 |
5.94 |
Uses of Alloy Blind Flanges
Alloy blind flanges play a crucial role in pipeline systems, particularly where the closure of an open end is required. These flanges provide a tight seal, preventing leaks and ensuring the integrity of the pipeline. They are commonly used in oil and gas, petrochemical, and water distribution industries. Pressure vessels are containers that hold liquids or gases at high pressures. We are a branded alloy steel blind flanges supplier that suppply across various domains for multiple uses.
Quality of Blind Flanges Alloy Steel
Blind flanges alloy steel are known for their exceptional corrosion resistance properties. They are resistant to rust, oxidation, and most chemical and environmental corrosive agents. This resistance ensures the longevity and reliability of the flanges, making them suitable for use in corrosive environments, such as marine, chemical processing, and offshore industries. Blind Alloy Steel flanges are manufactured from Alloy Steels that exhibit high strength and durability. Naysha Steel is one-of-a-kind of alloy steel flanges supplier that only supplies A-1 quality flanges. We never disappoint our clients.
Alloy Steel Blind Flanges Manufacturer : Grades & Classes
- ASTM A182 F1
- ASTM A182 F5
- ASTM A182 F9
- ASTM A182 F11
- ASTM A182 F22
- ASTM A182 F91
- Class 150
- Class 300
- Class 600
- Class 900
- Class 1500
- Class 2500
Please find below our manufacturing and Sales network below: (Contact us for detailed information for your nearest branches)
- Alloy Steel Blind Flanges manufacturer and contractor in Hyderabad
- Alloy Steel Blind Flanges manufacturer and supplier in Chennai
- Alloy Steel Blind Flanges manufacturer and stockists in Pune
- Alloy Steel Blind Flanges manufacturer and dealer in Faridabad
- Alloy Steel Blind Flanges manufacturer and warehousing in Chandigarh
- Alloy Steel Blind Flanges manufacturer and wholesalor in Delhi
- Alloy Steel Blind Flanges manufacturer and trader in Coimbatore
- Alloy Steel Blind Flanges manufacturer and stockholder in Bangalore
Industries served by Alloy Steel Blind Flanges
In the oil and gas industry, blind Alloy Steel flanges are used in pipelines, storage tanks, and offshore platforms. They are employed for closing off openings during maintenance, repair, or when a branch connection is not required. Petrochemical plants utilize blind Alloy Steel flanges in equipment such as reactors, distillation columns, and storage vessels. These flanges provide a secure and leak-proof seal when closing off unused openings or isolating sections of the process.
Oil and Gas Industries
The oil and gas industry includes a wide range of from drilling and
production to refining and marketing. Some of the major players in this
include oil and gas companies, service providers, equipment.
Petroleum Industries
In the drilling process, stainless steel is used to make drill bits, pipes, and other
equipment that must withstand high pressures and temperatures. Stainless steel is
also used to make pumps, valves, and fittings for the transportation.
Shipbuilding in India
In storage applications, stainless steel is used to make tanks and containers that
can safely store corrosive and hazardous chemicals. It is also used in piping
systems for chemical transfer and distribution chemical industry.
Marking & Pricing
Products are packaged to ensure that there is no damage during of goods transport. In case of exports, standard export packaging is done with utmost care in wooden covering or boxing. All products are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make
customized marking on our products.
Quality Assurance
At Naysha Steel, all fittings and flanges are subject to strict inspection at each and every stage of the production process, from starting material
purchasing to product dispatch. They are visually examined for compliance to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards.
Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality compliance
of products.
Test Certificates: Manufacturer Test Certificate as per EN 10204 / 3.1B Raw Materials Certificate, 100% Radiography Test Report, Third
Party Inspection Report
