Blind Flange Manufacturer In India
Best Flange Manufacturer in India since 1971.
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Leading Manufacturer, Stockist, Supplier, and Exporter of Blind Flange in India.
Teshi Group stands as a leading manufacturer, stockist, supplier, and exporter of Blind Flanges in India, renowned for its exceptional commitment to quality, precision, and customer satisfaction. With decades of industry expertise since its inception in 1971, Teshi Group has become synonymous with reliability and innovation in the pipe fittings and flanges market. Our Blind Flanges are engineered to provide effective solutions for sealing or terminating pipeline sections, ensuring the integrity and leak-proof performance of piping systems across various sectors, including oil and gas, petrochemical, power generation, chemical, and more. We offer a comprehensive selection of Blind Flanges that comply with international standards such as ANSI B16.5, catering to high-pressure applications and meeting rigorous inspection and safety requirements. Manufactured using top-grade materials like Mild Steel, Carbon Steel, Stainless Steel, Duplex, and Super Duplex Stainless Steel, our products are designed for durability and optimal functionality even under demanding conditions. Teshi Group’s dedication to quality extends to the entire production process, supported by state-of-the-art facilities and stringent quality control measures. Our extensive distribution network ensures that we can meet the needs of both domestic and international clients, delivering timely and reliable solutions. By consistently prioritizing customer satisfaction and adapting to the evolving demands of the global market, Teshi Group has solidified its position as a trusted leader in the industry, providing high-quality Blind Flanges that meet the diverse needs of clients worldwide.
About Blind Flange:-
Blind flanges are an essential type of flange used in piping systems, designed to cover the ends of pipes, valves, or pressure vessel openings. Unlike other flanges that facilitate connections, blind flanges serve as a seal, effectively blocking the flow of fluids or gases within the system. Typically made from a range of materials such as stainless steel, carbon steel, alloy steel, and more, they are manufactured to match various industry standards like ANSI, ASME, and DIN, ensuring compatibility and high performance under different pressure ratings and temperatures. Blind flanges come in multiple configurations and can be customized with or without bolt holes, depending on the specific requirements of the piping system. They play a critical role in enabling maintenance or expansion by allowing easy access to the sealed section without disrupting the entire pipeline. These flanges are commonly used in industries such as oil and gas, petrochemical, water treatment, and power generation. Due to their robust nature, they provide effective isolation, reducing the risk of leaks or pressure loss, and ensuring safety and operational efficiency in high-pressure environments. The manufacturing process of blind flanges involves precision forging, machining, and sometimes heat treatment to achieve optimal mechanical properties and dimensional accuracy. The choice of material and design considerations are paramount to ensuring that the flange can withstand the operational demands, including exposure to corrosive media or extreme temperatures. Overall, blind flanges are a vital component in industrial piping systems, providing reliable performance and safety, enabling system control, and facilitating operations such as pressure testing, inspection, and pipeline modification.
Teshi Group is a leading manufacturer, stockist, supplier, and exporter of Blind Flanges in India, renowned for its commitment to excellence and precision. Our comprehensive range of high-quality Blind Flanges is designed to meet the stringent requirements of diverse applications across various industries, including oil and gas, petrochemical, power generation, and more. With years of expertise, we have developed an extensive product lineup that prioritizes reliability, durability, and performance, ensuring the highest standards of quality are met. Our Blind Flanges serve as critical components in piping systems, effectively sealing or terminating pipelines to maintain system integrity and prevent leakage. By catering to domestic and international markets, Teshi Group has established itself as a trusted partner, delivering robust and efficient solutions that support our clients’ operations. We are dedicated to maintaining top-notch service, providing timely delivery, and adapting to the evolving needs of the global industry landscape.
Blind Flange Manufacturer - Dimensions
| Nominal Pipe Size | "A" (O.D.) | "B" (Thk.) | "C" (RF Dia.) | "D" (B.C.D.) | # Bolt Holes | Dia. of Bolt Holes | Approx. Weight |
| 1/2" | 3-1/2 | 7/16 | 1-3/8 | 2-3/8 | 4 | 5/8 | 2 |
| 3/4" | 3-7/8 | 1/2 | 1-11/16 | 2-3/4 | 4 | 5/8 | 2 |
| 1" | 4-1/4 | 9/16 | 2 | 3-1/8 | 4 | 5/8 | 2 |
| 1-1/4" | 4-5/8 | 5/8 | 2-1/2 | 3-1/2 | 4 | 5/8 | 3 |
| 1-1/2" | 5 | 11/16 | 2-7/8 | 3-7/8 | 4 | 5/8 | 3 |
| 2" | 6 | 3/4 | 3-5/8 | 4-3/4 | 4 | 3/4 | 4 |
| 2-1/2" | 7 | 7/8 | 4-1/8 | 5-1/2 | 4 | 3/4 | 7 |
| 3" | 7-1/2 | 15/16 | 5 | 6 | 4 | 3/4 | 9 |
| 3-1/2" | 8-1/2 | 15/16 | 5-1/2 | 7 | 8 | 3/4 | 13 |
| 4" | 9 | 15/16 | 6-3/16 | 7-1/2 | 8 | 3/4 | 17 |
| 5" | 10 | 15/16 | 7-5/16 | 8-1/2 | 8 | 7/8 | 20 |
| 6" | 11 | 1 | 8-1/2 | 9-1/2 | 8 | 7/8 | 27 |
| 8" | 13-1/2 | 1-1/8 | 10-5/8 | 11-3/4 | 8 | 7/8 | 47 |
| 10" | 16 | 1-3/16 | 12-3/4 | 14-1/4 | 12 | 1 | 67 |
| 12" | 19 | 1-1/4 | 15 | 17 | 12 | 1 | 123 |
| 14" | 21 | 1-3/8 | 16-1/4 | 18-3/4 | 12 | 1-1/8 | 139 |
| 16" | 23-1/2 | 1-7/16 | 18-1/2 | 21-1/4 | 16 | 1-1/8 | 187 |
| 18" | 25 | 1-9/16 | 21 | 22-3/4 | 16 | 1-1/4 | 217 |
| 20" | 27-1/2 | 1-11/16 | 23 | 25 | 20 | 1-1/4 | 283 |
| 24" | 32 | 1-7/8 | 27-1/4 | 29-1/2 | 20 | 1-3/8 | 415 |
Blind Flange Standard Specification
Standard Specifications |
Dimensions
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ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
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|---|---|
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Size
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1/2" (15 NB) to 48" (1200NB)
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Class
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150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
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DIN
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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
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BS
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BS 4504 , BS 4504, BS 1560, BS 10
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PN
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PN6, PN10, PN16, PN25, PN40
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Flange Face Type
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Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
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Blind Flange Material & Grades
Material & Grades |
Stainless Steel Blind Flange
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ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409
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|---|---|
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Duplex & Super Duplex Steel Blind Flange
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ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
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Carbon Steel Blind Flanges
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ASTM / ASME A/SA 105 ASTM / ASME A 350, ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706
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Low Temperature Carbon Steel Blind Flanges
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ASTM A350, LF2, and LF3
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Alloy Steel Blind Flanges
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ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
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Copper Alloy Steel Blind Flanges
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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
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Nickel Alloy Blind Flanges
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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)
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Blind Flanges Applications And Uses
Sl |
Application |
1
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ANSI B16.5 Class 150 Blind Flange uses in Industrial Boilers Industry
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|---|---|
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2
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ASTM A182 Stainless Steel Blind Flange uses in Power Plants Industry
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3
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ASME B16.47 Series A and B Blind Flange uses in Nuclear Plants Industry
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4
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Stainless Steel Blind Flange uses in Oil & Gas Industry
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5
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Super Duplex Steel Blind Flange uses in Refineries Industry
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6
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Industrial Blind Flange uses in Ship Building Industry
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7
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Super Duplex Steel Blind Flangea Forged Flange uses in Heat Exchanger Industry
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8
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Carbon Steel Industrial Blind Flange uses in Condensers Industry
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9
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Alloy Steel Industrial Blind Flange uses in Paper & Pulp Industry
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10
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Duplex Steel Industrial Blind Flange uses in Marine Applications
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11
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Stainless Steel Industrial Blind Flange uses in Nuclear Power Industry
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12
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Industrial Blind Flangea / Fittings System uses in Fossil Fuel Power Plants Industry
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Teshi Group Is A Leading Supplier Of Blind Flange in India
We supply blind flange to Agra, Ahmedabad, Ajmer, Aligarh, Allahabad, Ambattur, Amravati, Amritsar, Asansol, Aurangabad, Bangalore, Bareilly, Belgaum, Bhavnagar, Bhilai Nagar, Bhiwandi, Bhopal, Bhubaneswar, Bikaner, Chandigarh, Chennai, Coimbatore, Cuttack, Dehradun, Delhi, Dhanbad, Durgapur, Faridabad, Firozabad, Gaya, Ghaziabad, Gorakhpur, Gulbarga, Guntur, Gurgaon, Guwahati, Gwalior, Haora, Hubli and Dharwad, Hyderabad, Indore, Jabalpur, Jaipur, Jalandhar, Jalgaon, Jammu, Jamnagar, Jamshedpur, Jhansi, Jodhpur, Kalyan & Dombivali, Kanpur, Karnataka, Kochi, Kolapur, Kolkata, Kota, Loni, Lucknow, Ludhiana, Madurai, Maheshtala, Malegoan, Mangalore, Meerut, Mira, Bhayander, Moradabad, Mumbai, Nagpur,Nanded Waghala, Nashik, Navi Mumbai, Nellore, Noida, Patna, Pimpri & Chinchwad, Pune, Raipur, Rajkot, Ranchi, Saharanpur, Salem, Sangli Miraj Kupwad, Siliguri, Solapur, Srinagar, Surat, Thane, Thiruvananthapuram, Tiruchirappalli, Tirunelveli, Udaipur, Ujjain, Ulhasnagar, Vadodara, Varanasi, Vasai Virar, Vijayawada, Visakhapatnam, Warangal.
Blind Flange Exporter to all major cities in the world
We export blind flange to Seoul, Hanoi, Los Angeles, Rio de, Houston, York, Dammam, Al-Khobar, Bogota, Al-Jubail, Chiyoda, Abu Dhabi, Kuwait Santiago, Perth, Busan, London, Jakarta, Surat, Courbevoie, Dallas, Calgary, Mexico Muscat, Aberdeen, City, Edmonton, Riyadh, Caracas, Ahvaz, Brisbane, Moscow, Milan, Manama, Ulsan, Jaya, Granada, Vung Petaling, Melbourne, Montreal, Port-of-Spain, La Victoria, Istanbul, Janeiro, Karachi, New Singapore, Madrid, Lagos, Atyrau, Sydney, Kuala Dubai, City, Bangkok, Toronto, Gimhae-si, Lumpur, Jeddah, Pimpri-Chinchwad, Tehran, Doha, Ho-Chi-Minh-City, Algiers, Tau, Colombo, Ernakulam, Geoje-si, Cairo, Sharjah, Lahore.
We export blind flange to Seoul, Hanoi, Los Angeles, Rio de, Houston, York, Dammam, Al-Khobar, Bogota, Al-Jubail, Chiyoda, Abu Dhabi, Kuwait Santiago, Perth, Busan, London, Jakarta, Surat, Courbevoie, Dallas, Calgary, Mexico Muscat, Aberdeen, City, Edmonton, Riyadh, Caracas, Ahvaz, Brisbane, Moscow, Milan, Manama, Ulsan, Jaya, Granada, Vung Petaling, Melbourne, Montreal, Port-of-Spain, La Victoria, Istanbul, Janeiro, Karachi, New Singapore, Madrid, Lagos, Atyrau, Sydney, Kuala Dubai, City, Bangkok, Toronto, Gimhae-si, Lumpur, Jeddah, Pimpri-Chinchwad, Tehran, Doha, Ho-Chi-Minh-City, Algiers, Tau, Colombo, Ernakulam, Geoje-si, Cairo, Sharjah, Lahore.
Teshi exports Blind Flanges in more than 50 countries. We have shipments going out monthly to different countries for our newly acquired customers. Our ready stock of Flanges helps us ship the Flange and meet the requirement and demands of our customers as fast as possible.
Frequently Asked Questions
Most frequent questions and answers
What is a blind flange?
A blind flange is a type of flange used to seal the end of a pipe, valve, or vessel, effectively blocking off the flow of fluids or gases. Unlike standard flanges, blind flanges do not have a central opening, making them ideal for closing off pipelines and preventing leaks.
What are the common applications for blind flanges?
Blind flanges are commonly used in industries such as oil and gas, chemical processing, water treatment, and power generation. They are utilized to seal off pipelines, close tanks, and secure reactors, ensuring system integrity and preventing leaks.
What are blind flanges used for?
Blind flanges are used to seal off the end of a pipe or to block off a pipeline. They can also be used to provide access to a pipeline for cleaning or maintenance.
How are blind flanges attached to pipes?
Blind flanges are typically attached to pipes using bolts and nuts. The flange is placed over the end of the pipe, and the bolts are tightened to create a tight seal.
What materials are blind flanges made of?
Blind flanges can be made of a variety of materials, including carbon steel, stainless steel, and alloy steel. The choice of material will depend on the specific application and the conditions the flange will be exposed to.
Are there different types of blind flanges?
There are different types of blind flanges, including raised face blind flanges, ring type joint blind flanges, and flat face blind flanges.
Are blind flanges easy to install?
Yes, blind flanges are generally straightforward to install. They can be bolted onto the end of a pipe or vessel using standard flange bolts and gaskets. Proper installation techniques are important to ensure a secure and leak-proof seal.
How do I choose the right blind flange for my project?
To choose the right blind flange, consider factors such as the pipe size, pressure rating, temperature, and the specific material compatibility with the fluids being transported. Consulting with a supplier or manufacturer can help ensure you select the appropriate flange for your application.
Can blind flanges be used in high-pressure or high-temperature applications?
Blind flanges can be used in high pressure and high temperature applications, but they must be made of the appropriate material and be rated for the specific conditions they will be exposed to.
Can blind flanges be reused?
Blind flanges can be reused if they are in good condition and have not been damaged or deformed during installation or removal. However, it’s important to inspect them for wear and ensure they are compatible with the current application before reusing.
Do you offer custom blind flanges?
Yes, at Teshi Group, we offer custom blind flanges tailored to your specific requirements. We can manufacture flanges in various sizes, materials, and thicknesses to meet your project needs.
How can I request a quote for blind flanges?
To request a quote for blind flanges, please contact us through our website or call our sales team. Provide details about your project, including specifications and quantities, and we will get back to you with a competitive quote.
What standards do your blind flanges comply with?
Our blind flanges are manufactured in accordance with industry standards such as ANSI, ASME, and ASTM. This ensures that they are compatible with a wide range of piping systems and meet rigorous quality requirements.
How can I contact you for more information?
For more information about our blind flanges or to discuss your specific needs, please contact us via our website or call our customer service team. We’re here to help!
