| Flanges Types | Blind |
|---|---|
| Class | Pn 6, 150 Lbs, 10, 300 Lbs, 16, 25, 600 Lbs, 40, 900 Lbs, 64, 1500 Lbs, 100, 160, 2500 Lbs Asa 150, Asa 300 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Large Male Female (lmf), Small Tongue, Groove, Flat Face (ff), Small Male Female (smf), Ring Type Joint (rtj), Large Tongue & Groove, Lap Joint Face (ljf) |
Trusted Blind Flange Manufacturer in India Supplying ASME Blind Flanges in ASTM A105, A350 LF2, A182 F304, F316, F11, F22, Duplex and Super Duplex Material Grades
Bohra Metals & Alloys is a renowned Blind Flanges manufacturer in India, specializing in high-performance flanges designed for sealing the ends of piping systems. These flanges effectively block flow in pipelines, ensuring safety and efficiency in high-pressure applications. Our Blind Flanges, which are made with premium-grade materials and precision engineering, offer remarkable corrosion resistance and durability, making them appropriate for use in petrochemical, maritime, and oil and gas industries. They provide a safe and leak-proof closure for vital pipeline systems because of their sturdy construction, which does away with the necessity for welding. As a trusted Blind Flanges supplier in India, we offer flanges in various sizes, materials, and pressure ratings to meet diverse industrial requirements. Our flanges undergo extensive testing to ensure their strength and dependability, whether they are used for temporary or permanent sealing. They are made of alloy steel, carbon steel, and stainless steel and are resistant to high pressures and temperatures, guaranteeing long-term performance. Bohra Metals & Alloys places a high value on client satisfaction by providing premium Blind Flanges along with timely service and affordable prices.
Blind Flange Weight Chart – ASME B16.5
Class 600 Blind Flange Weight Chart in KG, MM, PDF
| Nominal Size (NB) | Size (Inch) | Approx. Weight (kg) |
|---|---|---|
| 25 | 1″ | 7.0 |
| 32 | 1¼″ | 9.5 |
| 40 | 1½″ | 12.0 |
| 50 | 2″ | 16.0 |
| 65 | 2½″ | 22.0 |
| 80 | 3″ | 28.0 |
| 100 | 4″ | 45.0 |
| 150 | 6″ | 85.0 |
| 200 | 8″ | 135.0 |
| 250 | 10″ | 195.0 |
| 300 | 12″ | 290.0 |
| 400 | 16″ | 510.0 |
| 500 | 20″ | 760.0 |
| 600 | 24″ | 1080.0 |
Class 900 Blind Flange Weight Chart in KG
| Nominal Size (NB) | Size (Inch) | Approx. Weight (kg) |
|---|---|---|
| 25 | 1″ | 10.0 |
| 40 | 1½″ | 18.0 |
| 50 | 2″ | 24.0 |
| 80 | 3″ | 42.0 |
| 100 | 4″ | 65.0 |
| 150 | 6″ | 120.0 |
| 200 | 8″ | 190.0 |
| 250 | 10″ | 280.0 |
| 300 | 12″ | 410.0 |
Class 1500 & 2500 (Typical Range)
| Class | Size Range | Approx. Weight Range |
|---|---|---|
| 1500 | 1″–12″ | 20 kg – 620 kg |
| 2500 | 1″–12″ | 35 kg – 980 kg |
Blind flanges are solid, bore-free flanges made especially to provide the highest level of safety and dependability when sealing the end of pipelines, valves, or pressure vessels. They are widely employed in sectors of the economy where regular inspection, pressure testing, or short-term flow isolation are necessary. Blind flanges offer a robust physical barrier that protects downstream equipment, helps avoid leaks, and makes it simple to expand or modify the system in the future without having to disassemble the entire pipeline.
Blind flanges are available in a variety of materials, including carbon steel, alloy steel, stainless steel, and duplex steel. They are suited for both high-pressure and extreme temperature applications. Their strong design provides great resistance to mechanical stress, corrosion, and deformation over long periods of use. Blind flanges are available in a variety of pressure classes and worldwide standards, providing a dependable solution for essential pipe systems in the oil and gas, petrochemical, power, and process sectors.
Client Project Summary of Blind Flange Exporter
| Product Supplied | Quantity | Cities (India) |
|---|---|---|
| ASTM A105 Blind Flanges for Pipeline End Closure | 210 Pieces | Surat |
| Blind Flanges for High-Pressure Industrial Piping Systems | 285 Pieces | Hyderabad |
| Alloy Steel Blind Flanges for Heavy Engineering Applications | 240 Pieces | Coimbatore |
| Heat-Treated Blind Flanges for Refinery & Petrochemical Use | 190 Pieces | Indore |
Type of Sub-products
Raised Face Blind Flanges Raised Face Blind Flanges
Most common; allows better gasket compression and sealing
Flat Face Blind Flanges Flat Face Blind Flanges
Used where mating flange is flat (e.g., cast iron systems)