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ASME B16.5 Stainless Steel Threaded Flanges Raised Face Class 300 for Industrial Applications
Introduction:
Our company, Shaanxi Peter International Trade Co., Ltd. is a highly reputable and well-established supplier in the market, boasting an impressive track record of over two decades. With our extensive experience and expertise, we have garnered a strong reputation as a trusted and reliable source for ASME B16.5 Stainless Steel Threaded Flanges. Our commitment to quality and customer satisfaction has made us a preferred choice for customers seeking top-notch threaded flange solutions.
Over the years, we have built solid relationships with renowned manufacturers and have access to a comprehensive range of ASME B16.5 Stainless Steel Threaded Flanges. Our inventory comprises flanges crafted from high-quality stainless steel, ensuring exceptional durability, corrosion resistance, and longevity. We understand the criticality of precision and adherence to industry standards, which is why we source flanges that conform to the stringent specifications of the ASME B16.5 standard.
Description of ASME B16.5 Stainless Steel Threaded Flanges:
ASME B16.5 is a widely recognized standard that sets the specifications for pipe flanges and flanged fittings. When it comes to ASME B16.5 Stainless Steel Threaded Flanges, the following standards and specifications are applicable:
ASME B16.5: This standard, titled "Pipe Flanges and Flanged Fittings," provides the overall guidelines for flange dimensions, materials, pressure-temperature ratings, tolerances, marking, and testing. ASME B16.5 covers various types of flanges, including threaded flanges.
Material Specifications: ASME B16.5 Stainless Steel Threaded Flanges are manufactured using stainless steel materials that comply with relevant material specifications. Commonly used stainless steel grades include ASTM A182 F304, F316, F316L, and F321, among others. These material specifications ensure the flanges possess the required mechanical properties, corrosion resistance, and compatibility with the intended application.
Dimensions: The dimensions of ASME B16.5 Stainless Steel Threaded Flanges are specified in the ASME B16.5 standard. This includes the flange sizes, outside diameter, bolt hole sizes, thickness, and overall dimensions. The dimensions are standardized to ensure interchangeability and compatibility with other ASME B16.5 flanges and components.
Pressure-Temperature Ratings: ASME B16.5 provides pressure-temperature ratings for flanges, which specify the maximum allowable pressure and temperature at which the flanges can safely operate. These ratings are based on the material, flange size, and class designation. It is crucial to select the appropriate flange rating based on the specific application requirements to ensure safe and reliable operation.
Flange Classes: ASME B16.5 categorizes flanges into different classes, such as Class 150, Class 300, Class 600, and so on. Each class corresponds to a specific pressure-temperature rating. The class designation is based on the flange's ability to withstand pressure, with higher classes indicating higher pressure capabilities.
Face Types: ASME B16.5 Stainless Steel Threaded Flanges can have either a raised face (RF) or flat face (FF) design. The raised face flange features a small raised section around the sealing surface, while the flat face flange has a smooth, flat sealing surface. The face type should be selected based on the specific sealing requirements and compatibility with the mating flange or gasket.
ASME B16.5 Stainless Steel Threaded Flange Dimensions:
| ANSI/ASME B16.5 Class 300 THREADED FLANGES THRF | ||||||||||
| Nominal Pipe size | Outside Diameter | O.D.of Raised Face | Diameter at Base of Hub | Thickness | Dia Counter Bore | Length through hub | Drilling | Approximate Weight(lb) | ||
| D | G | X | t | B2 | T2 | Bolt circle diameter | Number of holes | Diameter of Bolt | ||
| 1/2'' | 95 | 35.1 | 38.1 | 14.2 | 23.6 | 22.4 | 66.5 | 4 | 15.7 | 2 |
| 3/4'' | 117 | 42.9 | 47.8 | 15.7 | 29 | 25.4 | 82.6 | 4 | 19.1 | 3 |
| 1'' | 124 | 50.8 | 53.8 | 17.5 | 35.8 | 26.9 | 88.9 | 4 | 19.1 | 3 |
| 1.1/4'' | 133 | 63.5 | 63.5 | 19.1 | 44.4 | 26.9 | 98.6 | 4 | 19.1 | 4.5 |
| 1.1/2'' | 155 | 73.2 | 69.9 | 20.6 | 50.3 | 30.2 | 114.3 | 4 | 22.4 | 6.5 |
| 2'' | 165 | 91.9 | 84.1 | 22.4 | 63.5 | 33.3 | 127 | 8 | 19.1 | 7 |
| 2.1/2'' | 191 | 104.6 | 100.1 | 25.4 | 76.2 | 38.1 | 149.4 | 8 | 22.4 | 10 |
| 3'' | 210 | 127 | 117.3 | 28.4 | 92.2 | 42.9 | 168.1 | 8 | 22.4 | 14 |
| 3.1/2'' | 229 | 139.7 | 133.4 | 30.2 | 104.9 | 44.5 | 184.2 | 8 | 22.4 | 17 |
| 4'' | 254 | 157.2 | 146.1 | 31.8 | 117.6 | 47.8 | 200.2 | 8 | 22.4 | 24 |
| 5'' | 279 | 185.7 | 177.8 | 35.1 | 144.4 | 50.8 | 235 | 8 | 22.4 | 31 |
| 6'' | 318 | 215.9 | 206.2 | 36.6 | 171.4 | 52.3 | 269.7 | 12 | 22.4 | 39 |
| 8'' | 381 | 269.7 | 260.4 | 41.1 | 222.2 | 62 | 330.2 | 12 | 25.4 | 58 |
| 10'' | 445 | 323.9 | 320.5 | 47.8 | 276.2 | 66.5 | 387.4 | 16 | 28.4 | 81 |
| 12'' | 521 | 381 | 374.7 | 50.8 | 328.6 | 73.2 | 450.9 | 16 | 31.8 | 115 |
| 14'' | 584 | 412.8 | 425.5 | 53.8 | 360.4 | 76.2 | 514.4 | 20 | 31.8 | 165 |
| 16'' | 648 | 469.9 | 482.6 | 57.2 | 411.2 | 82.6 | 571.5 | 20 | 35.1 | 220 |
| 18'' | 711 | 533.4 | 533.4 | 60.5 | 462.0 | 88.9 | 628.7 | 24 | 35.1 | 280 |
| 20'' | 775 | 584.2 | 587.2 | 63.5 | 512.8 | 95.3 | 685.8 | 24 | 35.1 | 325 |
| 22’’ | 838 | 641.4 | 641.4 | 65.3 | 563.6 | 99.8 | 743.0 | 24 | 41.2 | 370 |
| 24'' | 914 | 692.2 | 701.5 | 69.9 | 614.4 | 106.4 | 812.8 | 24 | 41.2 | 490 |
1.Dimensions are in millimeters(mm).
2.Dimensions can be specified by different purchasers.
The Differences between Raised Face(RF) and Flat Face(FF):
Raised Face (RF) Flanges:
Sealing Surface: RF flanges have a small raised section around the sealing surface. The raised face provides a compression area for the gasket, allowing it to deform and create a reliable seal when the flange is bolted to another flange.
Standard Design: RF flanges are the most commonly used flange type and are widely specified in various industries. They provide a secure and effective sealing solution for a wide range of applications.
Gasket Compatibility: RF flanges are compatible with a variety of gasket materials, including spiral-wound gaskets, ring-type joint (RTJ) gaskets, and flat gaskets. The raised face allows for proper compression and sealing of the gasket.
Bolt Length: RF flanges typically require longer bolts compared to FF flanges due to the added thickness of the raised face. The longer bolts ensure proper engagement and secure tightening of the flange assembly.
Flat Face (FF) Flanges:
Sealing Surface: FF flanges have a smooth, flat sealing surface without any protrusions or indentations. The flat face provides a flush contact area for the gasket, creating a reliable seal when compressed between two mating FF flanges.
Applications: FF flanges are commonly used in applications where the presence of a raised face could cause interference or damage, such as with certain types of valve connections or equipment with limited space.
Gasket Compatibility: FF flanges typically require flat gaskets, such as full-face gaskets or flat ring gaskets. These gaskets cover the entire face of the flange, ensuring a proper seal across the entire surface.
Bolt Length: FF flanges require shorter bolts compared to RF flanges since there is no raised face to account for. The shorter bolts provide sufficient clamping force for the flange assembly.
Applications of ASME B16.5 Stainless Steel Threaded Flanges:
ASME B16.5 Stainless Steel Threaded Flanges find applications in various industries where threaded connections are required. Some common applications include:
Oil and Gas Industry: Stainless Steel Threaded flanges are used in oil and gas pipelines for joining sections of pipe or equipment with threaded connections. They provide a secure and reliable connection, especially in low-pressure and non-critical applications.
Petrochemical Industry: In petrochemical plants, stainless steel threaded flanges are utilized for connecting pipes, valves, and equipment. They are suitable for low-pressure systems handling fluids such as water, chemicals, and gases.
Chemical Industry: Stainless Steel Threaded flanges are employed in chemical processing plants for connecting pipelines and equipment. They are commonly used in applications involving corrosive chemicals and fluids.
Water Treatment: Stainless Steel Threaded flanges are utilized in water treatment facilities for connecting pipes, valves, and pumps. They are commonly employed in non-critical water distribution systems.
Food and Beverage Industry: Stainless Steel Threaded flanges can be found in food processing plants and beverage production facilities. They are used for connecting pipes and equipment in non-sanitary applications.
Power Generation: Stainless Steel Threaded flanges are used in power plants for various applications such as steam systems, water circulation, and fuel lines. They are suitable for low-pressure and moderate-temperature environments.
Stainless Steel threaded flanges are generally used in low-pressure applications compared to welded flanges. They are suitable for systems operating at lower temperatures and pressures where a reliable and easily removable connection is required. When selecting ASME B16.5 Stainless Steel Threaded Flanges for a specific application, it is crucial to consider factors such as operating conditions, fluid compatibility, and system requirements.
