Product Details
Place of Origin: Xi'an, Shaanxi, China
Brand Name: PeterTrade
Certification: ISO9001,CE, API,etc
Model Number: Blind Flanges
Payment & Shipping Terms
Minimum Order Quantity: 100 pieces
Price: negotiable
Packaging Details: Plywood case or pallet, or as per your requirement
Delivery Time: about 20-45 days for delivery
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 200 Ton/Tons Per Month
Standard: |
ANSI/ASME B16.5 |
Product Name: |
Blind Flanges Flat Face(BLFF) |
Sizes: |
1/2''-24'' |
Pressure: |
150LB |
Pressure Rating: |
150# - 2500# |
Connection Type: |
Welded, Threaded, Socket Welded |
Material: |
Carbon Steel Flanges: A105 A350LF2, A694 F60,A694 F52,A694 F65 Etc. |
Face Type: |
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
Coating: |
Black Paint, Yellow Paint, Anti-rust Oil, Galvanized |
Application: |
Oil And Gas, Chemical, Power Generation, Water Treatment, Etc. |
Standard: |
ANSI/ASME B16.5 |
Product Name: |
Blind Flanges Flat Face(BLFF) |
Sizes: |
1/2''-24'' |
Pressure: |
150LB |
Pressure Rating: |
150# - 2500# |
Connection Type: |
Welded, Threaded, Socket Welded |
Material: |
Carbon Steel Flanges: A105 A350LF2, A694 F60,A694 F52,A694 F65 Etc. |
Face Type: |
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
Coating: |
Black Paint, Yellow Paint, Anti-rust Oil, Galvanized |
Application: |
Oil And Gas, Chemical, Power Generation, Water Treatment, Etc. |
ANSI B16.5 Class 150 Carbon Steel Blind Flanges A105 Raised Face and Flat Face BLRF/BLFF for Pipelines
Introduction:
Shaanxi Peter International Trade Co., Ltd., a reputable and experienced company in the industry, is proud to offer our extensive selection of ANSI B16.5 Class 150 Blind Flanges. With a long-standing history of delivering top-quality products and exceptional service, we are dedicated to providing reliable flanges that meet the highest standards of performance.
Our ANSI B16.5 Class 150 Blind Flanges are engineered to perform reliably across a wide range of industrial applications. Manufactured from high-quality materials like carbon steel, stainless steel, and alloy steel, these flanges are designed to endure demanding operational conditions and maintain long-term reliability in piping systems.
Understanding the need for versatility, we offer our ANSI B16.5 Class 150 Blind Flanges in a broad selection of sizes, ranging from 1/2" to 24" (DN15-DN600), ensuring compatibility with diverse piping needs across various industries. These flanges are rated for Class 150 pressure, capable of handling systems with a maximum pressure of 150 pounds per square inch.
Description of Carbon Steel Blind Flanges:
A carbon steel blind flange is a solid, non-bored pipe flange used to seal off the end of a pipeline or close a connection point. It serves as a secure and permanent termination point, effectively stopping the flow or preventing leaks. These flanges are often installed at the end of a pipeline or at a location where future alterations, such as adding valves or fittings, may be required. Carbon steel blind flanges are typically made from high-strength steel and are available in various sizes and pressure ratings to meet a variety of application needs.
ANSI/ASME B16.5 Blind Flange Dimensions:
| ANSI/ASME B16.5 Class 150 BLIND FLANGES BLRF | |||||||
| Nominal Pipe size | Outside Diameter | O.D.of Raised Face | Thickness | Drilling |
Approximate Weight(lb) |
||
| D | G | T | Bolt circle diameter | Number of holes | Diameter of Bolt | ||
| 1/2'' | 89 | 35.1 | 11.2 | 60.5 | 4 | 15.7 | 2 |
| 3/4'' | 99 | 42.9 | 12.7 | 69.9 | 4 | 15.7 | 2 |
| 1'' | 108 | 50.8 | 14.2 | 79.2 | 4 | 15.7 | 2 |
| 1.1/4'' | 117 | 63.5 | 15.7 | 88.9 | 4 | 15.7 | 3 |
| 1.1/2'' | 127 | 73.2 | 17.5 | 98.6 | 4 | 15.7 | 4 |
| 2'' | 152 | 91.9 | 19.1 | 120.7 | 4 | 19.1 | 5 |
| 2.1/2'' | 178 | 104.6 | 22.4 | 139.7 | 4 | 19.1 | 7 |
| 3'' | 191 | 127 | 23.9 | 152.4 | 4 | 19.1 | 9 |
| 3.1/2'' | 216 | 139.7 | 23.9 | 177.8 | 8 | 19.1 | 13 |
| 4'' | 229 | 157.2 | 23.9 | 190.5 | 8 | 19.1 | 17 |
| 5'' | 254 | 185.7 | 23.9 | 215.9 | 8 | 22.4 | 20 |
| 6'' | 279 | 215.9 | 25.4 | 241.3 | 8 | 22.4 | 27 |
| 8'' | 343 | 269.7 | 28.4 | 298.5 | 8 | 22.4 | 47 |
| 10'' | 406 | 323.9 | 30.2 | 362 | 12 | 25.4 | 70 |
| 12'' | 483 | 381 | 31.8 | 431.8 | 12 | 25.4 | 123 |
| 14'' | 533 | 412.8 | 35.1 | 476.3 | 12 | 28.4 | 140 |
| 16'' | 597 | 469.9 | 36.6 | 539.8 | 16 | 28.4 | 180 |
| 18'' | 635 | 533.4 | 39.6 | 577.9 | 16 | 31.8 | 220 |
| 20'' | 699 | 584.2 | 42.9 | 635 | 20 | 31.8 | 285 |
| 22’’ | 749 | 641.3 | 44.5 | 692.2 | 20 | 35.1 | 355 |
| 24'' | 813 | 692.2 | 47.8 | 749.3 | 20 | 35.1 | 430 |
1.Dimensions are in millimeters(mm).
2.Dimensions can be specified by different purchasers.
Features of ANSI/ASME Class 150 Blind Flanges:
1. High Pressure Rating and Robust Design
ANSI/ASME Class 150 Blind Flanges are rated for a pressure of 150 psi, making them suitable for moderate pressure systems and ensuring effective sealing and long-term durability under standard operating conditions. They are typically made from materials such as carbon steel, stainless steel, and alloy steel, offering high strength and corrosion resistance, capable of withstanding harsh operational environments.
2. Leak-Proof Sealing
Blind flanges are solid with no bore, effectively sealing the end of pipes or connection points and preventing fluid or gas leakage, ensuring system safety. This design provides a secure and permanent termination point for areas where no further passage is needed.
3. Versatility in Size and Application
ANSI/ASME Class 150 Blind Flanges are available in a wide range of sizes, from 1/2" to 24" (DN15-DN600), ensuring they can meet the needs of various industries and applications, offering extensive adaptability for diverse piping systems.
4. Corrosion Resistance and Long-Term Durability
Depending on the material, these flanges offer excellent corrosion resistance, especially the stainless steel and alloy steel versions, making them ideal for harsh environments like chemical plants and offshore installations. Additionally, they are designed for long-term use, able to withstand wear, temperature changes, and pressure, ensuring reliable performance over time.
5. Easy Installation and Industry Compliance
ANSI/ASME Class 150 Blind Flanges comply with industry standards such as ANSI B16.5, ensuring consistent quality and compatibility with other piping components. They are also easy to install, making them ideal for systems that may require future maintenance or modifications, such as the addition of valves or fittings.
6. Cost-Effectiveness and Customization Options
Carbon steel blind flanges provide a cost-effective solution for systems that do not require higher corrosion resistance. These flanges can also be customized to meet specific industry needs and environmental conditions, with options for additional coatings or surface treatments to meet special requirements.
Advantages of ANSI/ASME B16.5 Class 150 Carbon Steel Blind Flanges:
The ANSI/ASME B16.5 Class 150 carbon steel blind flanges offer significant advantages in industrial applications, starting with their cost-effectiveness. The carbon steel material makes these blind flanges relatively inexpensive, making them an ideal choice for projects that are sensitive to cost, especially in large-scale piping systems. Despite their affordable price, they still provide high strength and sufficient pressure resistance, ensuring long-term stability under certain pressure conditions.
These blind flanges are highly effective in sealing. Due to their solid design, they effectively close off pipe ends, preventing any fluid or gas leakage, thus ensuring the safety and integrity of the entire system. This leak protection is crucial in many industrial applications, such as oil and gas, chemical, and water treatment industries.
Although carbon steel is relatively prone to corrosion, its corrosion resistance can be significantly enhanced through special coatings or surface treatments (such as hot-dip galvanizing or epoxy coating), making these flanges suitable for harsher environments. This design allows the carbon steel blind flanges to operate in outdoor or humid conditions for extended periods, ensuring that their sealing function remains unaffected by environmental factors.
Additionally, the ANSI/ASME B16.5 Class 150 carbon steel blind flanges comply with strict industry standards, ensuring compatibility with other piping components. These flanges not only perform excellently in terms of pressure and temperature but also offer ease of installation and maintenance. Their simplified installation process and reliable performance make them an ideal choice in piping systems that require regular maintenance or replacement.
Overall, the ANSI/ASME B16.5 Class 150 carbon steel blind flanges, with their high cost-effectiveness, excellent sealing performance, and customizable features, provide reliable solutions across multiple industrial fields, demonstrating exceptional durability during long-term use.
Grades of Carbon Steel Flanges:
| Grade | Description | Common Applications | Chemical Composition | Yield Strength (min) | Tensile Strength (min) | Charpy Impact Test |
|---|---|---|---|---|---|---|
| A105 | General carbon steel flange for use in standard industrial applications at room temperature. | Common pipeline systems in oil, natural gas, chemical, and water treatment industries. | Carbon (C): 0.35%, Manganese (Mn): 0.60-0.90%, Silicon (Si): 0.10-0.35% | 250 MPa (36 ksi) | 450-620 MPa (65-90 ksi) | Above -20°C (-4°F) |
| A350 LF2 | Low temperature carbon steel flange for use in low temperature environments, with good resistance to brittle fracture at low temperatures. | Used in low-temperature environments such as LNG (Liquefied Natural Gas) and cryogenic equipment. | Carbon (C): 0.30%, Manganese (Mn): 0.60-0.90%, Phosphorus (P): ≤ 0.035% | 250 MPa (36 ksi) | 485 MPa (70 ksi) | Above -46°C (-50°F) |
| A105N | A105 flange with annealed treatment, offering better mechanical properties and reduced internal stress. | Common use in oil, natural gas, and chemical industries. | Carbon (C): 0.35%, Manganese (Mn): 0.60-0.90%, Silicon (Si): 0.10-0.35% | 290 MPa (42 ksi) | 485 MPa (70 ksi) | Above -20°C (-4°F) |
| A106 | High-temperature carbon steel flange used in high-temperature fluid transmission pipelines. | Steam pipelines, hot oil pipelines, and other high-temperature industrial applications. | Carbon (C): 0.30%, Manganese (Mn): 0.60-0.90%, Sulfur (S): ≤ 0.03% | 205 MPa (30 ksi) | 415 MPa (60 ksi) | Above -20°C (-4°F) |
| A333 Gr.6 | Low temperature carbon steel flange for use in extremely low-temperature environments, especially for the transmission of cryogenic fluids. | LNG pipelines, low-temperature chemical products. | Carbon (C): 0.30%, Manganese (Mn): 0.90%, Phosphorus (P): ≤ 0.035% | 275 MPa (40 ksi) | 485 MPa (70 ksi) | Above -46°C (-50°F) |
| A350 LF3 | Carbon steel flange for use in low-temperature conditions, offering high resistance to brittle fracture at very low temperatures. | Used for extremely low-temperature fluids or gases, cryogenic applications. | Carbon (C): 0.30%, Manganese (Mn): 0.60-0.90%, Phosphorus (P): ≤ 0.035% | 290 MPa (42 ksi) | 485 MPa (70 ksi) | Above -46°C (-50°F) |
| A694 F42/F46/F52 | High-strength carbon steel flanges, typically used for high-pressure and high-strength applications. | High-pressure pipeline systems in the oil and gas industry. | Carbon (C): 0.30%, Manganese (Mn): 1.00-1.40%, Phosphorus (P): ≤ 0.030% | 290-355 MPa (42-51 ksi) | 485-620 MPa (70-90 ksi) | Above -20°C (-4°F) |
Applications of ASME B16.5 Class 150 Carbon Steel Blind Flanges:
ASME B16.5 Class 150 carbon steel blind flanges have a wide range of applications in various industries due to their specific design and capabilities. Some common applications include:
Petrochemical Industry: Carbon steel blind flanges are often used in the petrochemical industry for sealing off the ends of pipelines, tanks, and pressure vessels. They provide a secure and leak-proof termination point, which is essential for containing hazardous materials and maintaining system integrity.
Oil and Gas Industry: These blind flanges are utilized in oil and gas facilities for closing off pipe ends during maintenance, repair, or decommissioning activities. They are also employed in pipeline systems to create terminations that can be easily modified or reopened for future expansions.
Power Generation: In power plants, ASME B16.5 Class 150 carbon steel blind flanges are employed in steam, water, and gas piping systems. They serve as closure devices for pipe terminations and provide a means to isolate sections of the piping network during maintenance and repairs.
Chemical Processing: Carbon steel blind flanges are used in chemical processing facilities to seal openings and provide a secure termination point for pipelines, reactors, and storage vessels. They help prevent leaks and maintain the integrity of the system when handling corrosive or hazardous chemicals.
Water Treatment and Distribution: These flanges find application in water treatment facilities and distribution systems for capping off unused pipe ends, creating blockages, or providing access points for future expansion or modification of the infrastructure.
Overall, ASME B16.5 Class 150 carbon steel blind flanges are versatile components that play a crucial role in creating secure terminations, facilitating maintenance, and ensuring the integrity of piping systems across a wide range of industrial applications.
