Table E flanges are standardized components used in piping systems, offering reliable connections for valves and equipment․ They are designed to meet specific dimensional requirements, ensuring compatibility and safety in industrial applications․ These flanges are part of the BS 10 standard, which outlines precise measurements for bolt holes, outer diameters, and thickness․ Their importance lies in maintaining structural integrity under pressure, making them essential for engineers; Table E flanges are also referenced in AS 2129 and ISO 5211 standards, ensuring global compliance․ They are typically used in systems with maximum working pressures of 16 bar and temperatures up to 110°C, making them versatile for various industries․
- Key dimensions include nominal bore sizes from 15 to 200 mm․
- Outer diameters and bolt hole arrangements are standardized for consistency․
- They are compatible with PN10/PN16 and JIS B2212 10K specifications․
Understanding Table E flange dimensions is crucial for selecting the right components for piping systems, ensuring optimal performance and safety․
1․1 What Are Table E Flanges?
Table E flanges are a specific type of flange standardized under the BS 10 (British Standard) specifications․ These flanges are designed to provide a reliable and secure connection in piping systems, particularly for valves and other equipment․ They are widely used in various industries, including oil and gas, chemical plants, and water treatment facilities, due to their durability and compatibility with international standards․
Table E flanges are characterized by their specific dimensions, which are outlined in detail in the BS 10 standard․ These dimensions include the nominal bore size, outer diameter, bolt hole diameter, and thickness of the flange․ The flanges are typically manufactured in sizes ranging from 15 mm to 200 mm in nominal bore diameter, making them suitable for a wide range of applications․ The outer diameter of Table E flanges increases with the nominal bore size, ensuring a robust and leak-proof connection․
One of the key features of Table E flanges is their compatibility with other international standards, such as AS 2129 (Australian Standard) and JIS B2212 10K (Japanese Industrial Standard)․ This ensures that these flanges can be used in global projects without compromising on quality or performance․ Additionally, Table E flanges are designed to comply with ISO 5211, which governs the dimensions and specifications of flanges for use in industrial valves․
Table E flanges are available in various materials, including carbon steel, stainless steel, and alloy steel, making them suitable for different operating conditions․ They are also designed to withstand maximum working pressures of up to 16 bar and temperatures up to 110°C, ensuring their reliability in challenging environments․ The flanges are typically used in systems with PN10/PN16 rating, which indicates their pressure nominal rating․
The drilling pattern of Table E flanges is standardized, with a specific number of bolt holes arranged in a circular pattern․ This ensures that the flanges can be easily connected to other components, such as valves and pipes, using standard bolts and nuts․ The bolt hole diameter and spacing are carefully calculated to distribute the stress evenly, preventing leakage or failure under pressure․
1․2 Importance of Flange Dimensions in Engineering
In engineering, flange dimensions play a critical role in ensuring the integrity, safety, and efficiency of piping systems․ Table E flanges, like other standardized flanges, are designed with precise dimensions to meet specific operational requirements․ These dimensions are not arbitrary; they are carefully calculated to ensure that the flanges can withstand various environmental and operational conditions, including pressure, temperature, and mechanical stress․
One of the most important aspects of flange dimensions is their role in maintaining system integrity․ Properly sized flanges ensure that connections between pipes, valves, and other equipment are secure and leak-proof․ Even minor deviations in dimensions can lead to potential failures, which could result in costly repairs, downtime, and even safety hazards․ For instance, if the bolt holes or outer diameter of a Table E flange are not accurately manufactured, it could lead to misalignment or insufficient sealing, compromising the entire system․
Flange dimensions are also crucial for ensuring structural strength and durability․ Table E flanges are designed to operate under specific maximum working pressures, such as 16 bar, and temperatures up to 110°C․ The thickness of the flange, along with the arrangement and size of bolt holes, is carefully specified to distribute stress evenly and prevent deformation or failure under these conditions․ This attention to dimensional accuracy ensures that the flange can perform reliably over its expected lifespan․
In addition to their functional role, flange dimensions play a key part in facilitating ease of installation and maintenance․ Standardized dimensions, as outlined in specifications like BS 10 and AS 2129, allow engineers and technicians to quickly identify compatible components, reducing the complexity of system assembly․ This standardization also enables the use of interchangeable parts, making it easier to source replacement flanges or components when needed․
The importance of flange dimensions extends to cost efficiency․ By adhering to standardized specifications, manufacturers can produce flanges more efficiently, reducing production costs․ Additionally, standardized dimensions simplify inventory management, as components can be easily matched to specific applications․ This reduces the need for custom fabrication, which is often time-consuming and expensive․
Moreover, proper flange dimensions are essential for safety․ In industrial settings, where piping systems often handle hazardous materials or operate under extreme conditions, any failure could lead to accidents, environmental damage, or equipment loss․ Accurate dimensions ensure that flanges can withstand these conditions, maintaining the safety of both personnel and equipment․
Standard Specifications for Table E Flanges
Table E flanges are manufactured to meet rigorous international standards, ensuring reliability and compatibility across various applications․ They comply with specifications such as BS 10, AS 2129, and ISO 5211, which outline dimensions, tolerances, and material requirements․ These flanges are designed for a maximum working pressure of 16 bar and can operate at temperatures up to 110°C․ Nominal bore sizes range from 15 to 200 mm, with standardized outer diameters and bolt hole arrangements․ Compliance with JIS B2212 10K further ensures their suitability for global engineering projects․
2․1 BS 10 Table E Dimensions
BS 10 Table E flanges are designed to meet the rigorous standards outlined in the British Standard BS 10: 1962 specification․ These flanges are widely used in piping systems where high integrity and precise dimensions are critical․ The BS 10 Table E dimensions are specifically tailored for flanges with a maximum working pressure of 16 bar (232 psi) and are suitable for temperatures ranging from -20°C to 110°C (-4°F to 230°F)․ This makes them ideal for applications in industrial, chemical, and petroleum industries where reliable performance is essential․
The dimensions of BS 10 Table E flanges are carefully defined, ensuring consistency across manufacturers and applications․ For example, a nominal bore size of 15 mm corresponds to an outer diameter of 95 mm, with a thickness of 14 mm and 4 bolts arranged in a circular pattern․ Similarly, larger sizes, such as a 200 mm nominal bore, feature an outer diameter of 340 mm, a thickness of 38 mm, and 12 bolts for secure connections․ These measurements are standardized to ensure compatibility with other piping components and to simplify installation processes․
One of the key advantages of BS 10 Table E flanges is their versatility․ They are available in a variety of materials, including carbon steel, stainless steel, and ductile iron, allowing them to be used in diverse environments․ The flanges are also designed with a raised face (RF) or plain face (PF) finish, providing a smooth and secure sealing surface for gaskets․ This ensures leak-free connections, which are critical in high-pressure and high-temperature applications․
The bolt holes in BS 10 Table E flanges are evenly spaced and sized to accommodate standard bolts, ensuring uniform stress distribution during tightening․ This feature minimizes the risk of flange warping or gasket failure under operational conditions․ Additionally, the flanges are manufactured with precise tolerances to ensure a perfect fit with mating components, reducing the likelihood of leaks or mechanical failures․
- Nominal bore sizes: 15 mm to 200 mm
- Maximum working pressure: 16 bar (232 psi)
- Temperature range: -20°C to 110°C (-4°F to 230°F)
- Materials: Carbon steel, stainless steel, ductile iron
- Finish: Raised face (RF) or plain face (PF)
These specifications ensure that BS 10 Table E flanges meet the highest standards of quality and performance, making them a cornerstone in modern piping systems․
2․2 AS 2129 Table E Specifications
AS 2129 Table E flanges are a critical component in piping systems, adhering to the Australian Standard AS 2129:2017․ These flanges are designed for use in high-pressure and high-temperature applications, making them a preferred choice in industries such as oil and gas, chemical processing, and power generation․ The AS 2129 Table E specifications provide detailed dimensions, tolerances, and material requirements, ensuring reliability and consistency in performance․
The AS 2129 standard categorizes Table E flanges as “high-pressure” flanges, with a maximum working pressure of 2500 psi (172 bar)․ This classification makes them suitable for demanding environments where operational integrity is paramount․ The flanges are manufactured in nominal bore sizes ranging from 15 mm to 600 mm, offering versatility for various piping systems․ For example, a 50 mm nominal bore size corresponds to an outer diameter of 165 mm, a thickness of 25 mm, and 4 bolts for secure connections․ These dimensions are meticulously defined to ensure compatibility with other piping components․
One of the key features of AS 2129 Table E flanges is their robust design․ They are available in a variety of materials, including carbon steel, stainless steel, and duplex steel, allowing them to withstand corrosive and extreme temperature environments․ The flanges are also manufactured with either a Raised Face (RF) or Flat Face (FF) finish, providing a secure sealing surface for gaskets․ This ensures leak-free connections, which are critical in high-pressure applications․
The bolt holes in AS 2129 Table E flanges are evenly spaced and sized to accommodate standard bolts, ensuring uniform stress distribution during tightening․ This feature minimizes the risk of flange warping or gasket failure under operational conditions․ Additionally, the flanges are manufactured with precise tolerances to ensure a perfect fit with mating components, reducing the likelihood of leaks or mechanical failures․
AS 2129 Table E flanges are also designed with a focus on safety and durability․ Their ability to operate in temperatures ranging from -50°C to 500°C (-58°F to 932°F) makes them ideal for use in extreme environments․ Furthermore, the standard includes requirements for non-destructive testing (NDT), ensuring that all flanges meet rigorous quality standards before being placed into service․
- Nominal bore sizes: 15 mm to 600 mm
- Maximum working pressure: 2500 psi (172 bar)
- Temperature range: -50°C to 500°C (-58°F to 932°F)
- Materials: Carbon steel, stainless steel, duplex steel
- Finish: Raised Face (RF) or Flat Face (FF)
2․3 JIS B2212 10K Table E Equivalents
JIS B2212 10K Table E flanges are an essential component in piping systems, adhering to the Japanese Industrial Standard (JIS) B2212:2004․ These flanges are designed for use in high-pressure applications, making them a preferred choice in industries such as oil and gas, chemical processing, and power generation․ The JIS B2212 standard provides detailed dimensions, tolerances, and material requirements, ensuring reliability and consistency in performance․
The “10K” designation refers to the pressure rating of the flange, which corresponds to a maximum working pressure of 10 kgf/cm² (approximately 145 psi or 10 bar)․ This classification makes them suitable for moderate to high-pressure environments where operational integrity is crucial․ The flanges are manufactured in nominal bore sizes ranging from 10 mm to 1000 mm, offering versatility for various piping systems․ For instance, a 100 mm nominal bore size corresponds to an outer diameter of 180 mm, a thickness of 18 mm, and 8 bolts for secure connections․ These dimensions are meticulously defined to ensure compatibility with other piping components․
One of the key features of JIS B2212 10K Table E flanges is their robust design․ They are available in a variety of materials, including carbon steel, stainless steel, and cast iron, allowing them to withstand corrosive and moderate temperature environments․ The flanges are also manufactured with either a Raised Face (RF) or Flat Face (FF) finish, providing a secure sealing surface for gaskets․ This ensures leak-free connections, which are critical in high-pressure applications․
The bolt holes in JIS B2212 10K Table E flanges are evenly spaced and sized to accommodate standard bolts, ensuring uniform stress distribution during tightening․ This feature minimizes the risk of flange warping or gasket failure under operational conditions․ Additionally, the flanges are manufactured with precise tolerances to ensure a perfect fit with mating components, reducing the likelihood of leaks or mechanical failures․
JIS B2212 10K Table E flanges are also designed with a focus on safety and durability․ Their ability to operate in temperatures ranging from -20°C to 400°C (-4°F to 752°F) makes them ideal for use in demanding environments․ Furthermore, the standard includes requirements for non-destructive testing (NDT), ensuring that all flanges meet rigorous quality standards before being placed into service․
- Nominal bore sizes: 10 mm to 1000 mm
- Maximum working pressure: 10 kgf/cm² (approximately 145 psi or 10 bar)
- Temperature range: -20°C to 400°C (-4°F to 752°F)
- Materials: Carbon steel, stainless steel, cast iron
- Finish: Raised Face (RF) or Flat Face (FF)
2․4 ISO 5211 Compliance for Table E Flanges
ISO 5211 is an international standard that provides specifications for flanges used in piping systems, including Table E flanges․ Compliance with ISO 5211 ensures that these flanges meet rigorous dimensional, material, and performance requirements, making them suitable for a wide range of industrial applications․ This standard is particularly important in global markets, as it promotes uniformity and interchangeability of flanges across different regions and industries․
The ISO 5211 standard covers various aspects of flange design and manufacturing, including nominal sizes, pressure ratings, bolt sizes, and material specifications․ For Table E flanges, ISO 5211 defines their dimensions, such as the outer diameter, bolt circle diameter, and thickness, ensuring consistency and reliability․ These flanges are designed to operate under specific pressure and temperature conditions, and ISO compliance guarantees their performance in these environments․
One of the key benefits of ISO 5211 compliance is its focus on safety and reliability․ By adhering to this standard, manufacturers ensure that Table E flanges can withstand the stresses and loads encountered in industrial piping systems․ The standard also specifies allowable tolerances for critical dimensions, ensuring that flanges can be easily assembled with other piping components without issues․
In addition to dimensional requirements, ISO 5211 also addresses material quality and testing procedures․ Table E flanges must be manufactured from materials that meet specific strength and durability criteria, such as carbon steel, stainless steel, or other alloys․ The standard may also require non-destructive testing (NDT) to detect any defects in the material or manufacturing process, further enhancing the reliability of the flanges․
For engineers and designers, ISO 5211 compliance simplifies the selection and specification of Table E flanges․ By referencing this standard, professionals can quickly determine the appropriate flange size and material for their application, saving time and reducing the risk of errors․ Additionally, ISO compliance ensures that flanges from different manufacturers are interchangeable, facilitating global supply chain operations․
Another important aspect of ISO 5211 is its alignment with other international standards, such as ASME and DIN․ This harmonization allows Table E flanges to be used in diverse industrial settings, from chemical plants to oil refineries, without compromising compatibility or performance․ The standard also provides guidelines for flange marking, which includes essential information like the nominal size, pressure rating, and material grade, ensuring traceability and compliance with regulatory requirements․