Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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SA266 Gr2N Channel Cover Flange And Shell Side Flange Used In Heat Exchanger
The SA266 Gr2N Channel Cover Flange is a type of flange used in piping systems. It is made from SA266 Grade 2N steel, which is a low carbon, low alloy steel suitable for low temperature applications. The channel cover flange is used to connect two sections of channel or pipe together, providing a secure and leak-proof connection.
The SA266 Gr2N Channel Cover Flange has a flanged design, with bolt holes around the perimeter for attaching it to the channel or pipe. It is typically used in applications where the channel or pipe needs to be sealed, such as in oil and gas, petrochemical, and power generation industries.
The flange is available in various sizes and pressure ratings to suit different piping system requirements. It is designed to withstand high pressure and temperature conditions, ensuring the integrity and ety of the system.
The SA266 Gr2N Channel Cover Flange is a reliable and durable component used in piping systems for connecting and sealing channels or pipes.
A shell side flange is a type of flange used in heat exchangers and pressure vessels. It is located on the shell side of the equipment and is used for connecting the shell to the shell-side nozzles or piping.
The shell side flange is typically a circular plate with bolt holes around its circumference. It is designed to be bolted to the shell of the equipment, providing a secure and leak-tight connection. The flange is usually made of the same material as the shell, ensuring compatibility and strength.
The shell side flange allows for easy installation and removal of the shell-side nozzles or piping. It also provides a convenient location for maintenance and inspection activities. Additionally, the flange helps to distribute the load and stress evenly across the shell, preventing localized pressure points.
When selecting a shell side flange, factors such as material compatibility, pressure rating, and temperature limitations must be considered. The flange should be properly sized and designed to handle the specific operating conditions of the equipment.
The shell side flange plays a critical role in ensuring the integrity and performance of heat exchangers and pressure vessels. It provides a reliable connection point for the shell-side components and helps to maintain the overall structural integrity of the equipment.
Chemical Composition Requirements
| Item | Chemical Req. for ASTM A266, % | ||
| Gr. 1 & 2 | Gr. 3 | Gr. 4 | |
| C | ≤ 0.30 | ≤ 0.35 | ≤ 0.30 |
| Mn | 0.40~1.05 | 0.80~1.35 | 0.80~1.35 |
| P | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
| S | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
| Si | 0.15~0.35 | 0.15~0.35 | 0.15~0.35 |
Mechanical Properties
| Tensile | Gr. 1 | Gr. 2 & 4 | Gr. 3 |
| Requirements | |||
| T.S min. | 60~85 | 70~95 | 75~100 |
| ksi [Mpa] | [415~585] | [485~655] | [515~690] |
| Y.S min. | 30 | 36 | 37.5 |
| ksi [Mpa] | [205] | [250] | [260] |
| EL. in 2" or | 23 | 20 | 19 |
| [62.5 mm] | [21] | [18] | [17] |
| min. % | |||
| R.o.A | 38 | 33 | 30 |
| min. % |
| ASTM A266 | Brinell Hardness |
| Grade | HBW |
| 1 | 121~170 |
| 2 | 137~197 |
| 3 | 156~207 |
| 4 | 137~197 |
The key applications include:
1. Connection between heat exchanger components: Flanges are used to connect different components of a heat exchanger, such as the shell, tubes, and headers. They provide a secure and leak-proof connection, ensuring efficient heat transfer between the fluids.
2. Maintenance and repair: Flanges allow for easy maintenance and repair of heat exchangers. They enable quick disassembly and reassembly of the components, facilitating inspection, cleaning, and replacement of damaged parts.
3. Expansion and contraction: Heat exchangers are subjected to thermal expansion and contraction due to temperature variations. Flanges accommodate these movements by providing flexibility in the system, preventing stress and damage to the components.
4. Pressure containment: Flanges ensure the pressure containment of the heat exchanger. They are designed to withstand the pressure and temperature conditions of the fluids being exchanged, preventing any leakage or failure.
5. Interchangeability: Flanges provide interchangeability between different heat exchanger components. Standardized flange dimensions and ratings allow for easy replacement of parts, reducing downtime and cost.
6. Customization and adaptability: Flanges can be customized to meet specific requirements of the heat exchanger system. They can be designed to accommodate different sizes, materials, and pressure ratings, ensuring compatibility with the overall system design.
Flanges play a crucial role in the efficient operation, maintenance, and ety of heat exchangers. They provide a reliable and versatile connection between the various components, ensuring optimal heat transfer and performance.
