| Flanges Types | Blind, Slip On, Weld Neck, Long Weld Neck, Threaded, Companion, Lap Joint |
|---|---|
| Class | 150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25, 40, 64, 100, 160 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove |
High Quality Blind Flange Carbon steel, Alloy steel, and Stainless steel blind flange ASTM A105, A350 LF2, A182 F304/F304L, F316/F316L, F11, F22 and Duplex flange.
Bhavya Flanges is a premier Blind Flanges manufacturer in India, specialising in high-performance flanges designed to securely seal the ends of piping systems. These flanges effectively block fluid flow, ensuring safety and efficiency in high-pressure applications. Engineered with precision and crafted from premium-grade materials, our Blind Flanges offer outstanding corrosion resistance and durability, making them ideal for industries such as petrochemical, maritime, and oil & gas. Their robust construction provides a secure, leak-proof closure without requiring welding, ensuring reliable pipeline performance.
Blind Flange Grade Table
| Material Type | ASTM / ASME Grade | Description / Application |
|---|---|---|
| Carbon Steel | ASTM A105 | Standard grade for high-temperature and pressure piping systems |
| Carbon Steel | ASTM A350 LF2 | Suitable for low-temperature service with good impact resistance |
| Carbon Steel | ASTM A694 F42 / F46 / F52 | Used in high-pressure transmission pipelines |
| Alloy Steel | ASTM A182 F11 | Chromium-molybdenum alloy for elevated temperature services |
| Alloy Steel | ASTM A182 F22 | Higher chromium content for high-pressure and high-temperature applications |
| Stainless Steel | ASTM A182 F304 / F304L | General corrosion resistance for chemical and food processing |
| Stainless Steel | ASTM A182 F316 / F316L | Enhanced corrosion resistance for marine and chemical environments |
| Duplex Stainless Steel | ASTM A182 F51 | High strength with excellent resistance to stress corrosion cracking |
| Super Duplex Stainless Steel | ASTM A182 F53 / F55 | Extreme strength and corrosion resistance for offshore applications |
| Nickel Alloy | ASTM B564 Inconel 600 / 625 | High-temperature and corrosive environments |
| Nickel Alloy | ASTM B564 Hastelloy C276 | Severe chemical and acidic service conditions |
As a trusted Blind Flanges supplier in India, we offer a wide range of sizes, materials, and pressure ratings to accommodate diverse industrial requirements. Each flange undergoes stringent quality testing to ensure strength and reliability, whether used for temporary or permanent sealing. Manufactured from alloy steel, carbon steel, and stainless steel, our flanges withstand extreme pressures and temperatures, ensuring long-term performance. At Bhavya Flanges, we are committed to customer satisfaction, providing premium Blind Flanges with timely delivery and competitive pricing.
Blind flanges are solid, disk-shaped flanges used to close the ends of pipe systems, valves, or pressure vessels, ensuring a safe and leak-free termination. They are commonly used in the oil and gas, petrochemical, power generating, and water treatment industries for pressure testing, maintenance, and pipeline extension. Blind flanges, available in carbon steel, alloy steel, and stainless steel grades, have outstanding strength, corrosion resistance, and durability, making them suited for high-pressure and high-temperature operating situations.
Blind Flange Weight Chart in KG, MM, PDF (ASME B16.5 – Class 300)
| Nominal Size (NB) | Outside Diameter (mm) | Thickness (mm) | Approx. Weight (kg) |
|---|---|---|---|
| 1″ | 124 | 16 | 4.5 |
| 2″ | 165 | 21 | 10.0 |
| 3″ | 210 | 24 | 18.0 |
| 4″ | 254 | 29 | 30.0 |
| 6″ | 318 | 35 | 55.0 |
| 8″ | 381 | 38 | 85.0 |
| 10″ | 445 | 41 | 125.0 |
| 12″ | 521 | 48 | 185.0 |
| Nominal Size (NB) | Outside Diameter (mm) | Thickness (mm) | Approx. Weight (kg) |
|---|---|---|---|
| ½″ | 89 | 11 | 1.5 |
| 1″ | 108 | 13 | 2.5 |
| 2″ | 152 | 16 | 6.0 |
| 3″ | 191 | 19 | 10.5 |
| 4″ | 229 | 24 | 16.0 |
| 6″ | 279 | 29 | 28.0 |
| 8″ | 343 | 32 | 45.0 |
| 10″ | 406 | 35 | 65.0 |
| 12″ | 483 | 38 | 95.0 |
| 16″ | 597 | 44 | 165.0 |
| 20″ | 711 | 48 | 255.0 |
| 24″ | 813 | 51 | 365.0 |
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.
Client Project Summary of Blind Flange Dealer in India
| 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 (rf) Blind Flange Raised Face (rf) Blind Flange
Has a slightly raised face around the gasket seating area.

Flat Face (ff) Blind Flange Flat Face (ff) Blind Flange
Typically used in low pressure applications.
