ADAPTOR FLANGE
Flange Adaptor used to join plain need pipe to flanged valves, fittings and pipes. The flange adaptors are manufactured as per following data.
Pipe Outside Diameter, Nominal bore of the flanged fitting. The flanged adopters are usually manufactured as Long sleeves, to prevent pipe pull out.A flange adapter is a crucial component used in piping systems to connect pipes, valves, pumps, and other equipment. Its primary function is to facilitate a secure and leak-proof connection between two different types of flanges or piping systems that would otherwise be incompatible due to differences in size, pressure rating, or material composition.
Structure and Design
Flange adapters typically consist of two parts: a flanged end and a plain end. The flanged end is designed to match the dimensions and specifications of a standard flange, including its size, pressure class (ANSI rating), and face type (such as raised face or flat face). This allows the adapter to be bolted directly to the mating flange using bolts, nuts, and gaskets. The plain end of the adapter is usually designed to fit inside or over the end of the pipe or fitting it is connecting to, providing a smooth transition and maintaining structural integrity.
Materials
Flange adapters are manufactured from a variety of materials to suit different applications and operating conditions. Common materials include carbon steel, stainless steel, ductile iron, and various alloys. The choice of material depends on factors such as the fluid being transported, temperature, pressure, and environmental considerations such as corrosion resistance.
Applications
Flange adapters find widespread use in industries such as oil and gas, chemical processing, water treatment, and HVAC systems. They are particularly useful in scenarios where pipelines need to be modified, extended, or repaired without the need for extensive welding or pipe cutting. This versatility allows for easier installation and maintenance of piping systems, reducing downtime and operational costs.
Installation
Installing a flange adapter involves aligning the flanged end with the mating flange, ensuring proper gasket placement, and tightening the bolts evenly to achieve a leak-proof seal. Proper installation is critical to prevent leaks, which can lead to environmental hazards, loss of product, and safety risks. Flange adapters are designed to withstand the forces exerted by fluid pressure and temperature variations, ensuring long-term reliability and performance in demanding industrial environments.
Specification
Size Range: Flange adapters are manufactured in sizes ranging from small diameters (e.g., 1/2 inch) to very large sizes (e.g., 60 inches or larger), depending on the application and the size of the pipes they are connecting.
Pressure Rating: The pressure rating of flange adapters conforms to industry standards such as ANSI (American National Standards Institute) ratings, which include classes like 150, 300, 600, 900, 1500, and 2500. The pressure rating indicates the maximum pressure the flange adapter can withstand under normal operating conditions.
Material: Flange adapters are available in various materials to suit different applications. Common materials include:
- Carbon Steel: Suitable for general-purpose applications where corrosion resistance is not a primary concern.
- Stainless Steel: Provides excellent corrosion resistance and is suitable for corrosive environments.
- Ductile Iron: Known for its strength and durability, often used in water and wastewater applications.
- Alloys: Specialty alloys like Inconel, Monel, and Hastelloy are used for applications requiring high strength or resistance to specific chemicals.
Face Type: Flange adapters come with different face types to match standard flange face configurations, such as raised face (RF), flat face (FF), and ring-type joint (RTJ). This ensures proper sealing when connected to corresponding flanges.
End Connection Type: Flange adapters may have different end connection types on the plain end, such as:
- Socket Weld: For welding directly to pipes or fittings.
- Threaded: For screwing onto pipes or fittings.
- Grooved: For use with grooved piping systems.
Standards Compliance: Flange adapters are manufactured to comply with industry standards such as ASTM (American Society for Testing and Materials), ASME (American Society of Mechanical Engineers), and API (American Petroleum Institute), ensuring quality, compatibility, and reliability.
Coatings: Optional coatings or linings may be available for flange adapters to enhance corrosion resistance or provide other specific properties, such as epoxy coatings or Teflon linings.
Testing & Certifications
- Non-destructive testing (NDT)
- 100% magnetic particle inspection (MPI) for stiffener to shell weld (fillet)
- 100% ultrasonic testing of vent plug welds
- 100% MPI fo hinge welds
- Hydro Test as per ASME Secion VIII Div. 1 clause UG-99 Dimensional & Visual
- Hardness
- Load Testing of Hook & Hinge
- Painting Inspection
- Any other as per client requirement.
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