Soft Iron Steel Flange Ring Joint Gasket R-Octagonal 1500LB
R-type ring joint gaskets are specialized sealing components used in high-pressure and high-temperature applications, particularly in the oil and gas industry. They are designed for use in ring-type joint (RTJ) flanges, which are commonly found in pipelines, valves, and other equipment requiring a robust seal.
Types of R-Type Ring Joint Gaskets:
1. Oval Ring Joint Gasket:
- Shape: Oval cross-section.
- Applications: Typically used in lower-pressure applications compared to octagonal gaskets.
- Standards: Complies with ASME B16.20 and API 6A specifications.
- Material: Made from soft iron, low-carbon steel, or stainless steel, depending on the application.
2. Octagonal Ring Joint Gasket:
- Shape: Octagonal cross-section.
- Applications: Suitable for higher-pressure and higher-temperature applications due to their superior sealing performance.
- Standards: Complies with ASME B16.20 and API 6A specifications.
- Material: Made from soft iron, low-carbon steel, or stainless steel.
Key Features:
- High Sealing Performance: Both oval and octagonal gaskets provide excellent sealing under extreme conditions.
- Durability: Designed to withstand high pressures, temperatures, and corrosive environments.
- Reusability: Can often be reused if not damaged during installation or removal.
- Precision Machined: Manufactured to tight tolerances to ensure a proper fit and seal.
Applications:
- Oil and gas pipelines
- Refineries
- Chemical processing plants
- High-pressure vessels
- Wellhead equipment
Installation Tips:
1. Ensure the flange faces are clean and free of damage.
2. Align the gasket properly within the groove of the RTJ flange.
3. Tighten bolts evenly and gradually to the specified torque to avoid distortion.
Standards and Specifications:
- ASME B16.20: Covers metallic gaskets for pipe flanges, including RTJ gaskets.
- API 6A: Specifies requirements for wellhead and christmas tree equipment, including RTJ gaskets.
By selecting the appropriate type (oval or octagonal) and material, R-type ring joint gaskets can provide reliable and long-lasting seals in demanding industrial environments.
| Ring Gasket Material | Maximum Hardness |
| Brinell | Rockwell "B" Scale |
| Soft iron | 90 | 56 |
| Low-carbon steel | 120 | 68 |
| 4-6 chrome 1 ⁄ 2 Mo | 130 | 72 |
| Type 410 | 170 | 86 |
| Type 304 | 160 | 83 |
| Type 316 | 160 | 83 |
| Type 347 | 160 | 83 |
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Soft Iron Steel Flange Ring Joint Gasket R-Octagonal 1500LB Images
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