Adaptor Flange Supplier
Flange Adaptor used to join plain need pipe to flanged valves, fittings and pipes. The flange adaptors are manufactured as per following data.
As a trusted Adaptor flange supplier, we provide high-quality flange adapters designed to ensure secure, leak-proof connections between mismatched piping systems. These adapters are crucial in linking pipes, valves, pumps, and other equipment where there are variations in Pipe Outside Diameter or the Nominal Bore of the flanged fitting. Typically manufactured as long sleeves, our flanged adapters offer enhanced grip strength and help prevent pipe pull-out during high-pressure operations. Engineered for durability and compatibility, our solutions meet the diverse demands of modern industrial and process piping systems.

Structure and Design of Trusted Adaptor Flange Supplier
As a leading Adaptor flange supplier, we provide flange adapters that typically consist of two parts: a flanged end and a plain end. The flanged end is engineered to match standard flange dimensions, including size, pressure class (ANSI rating), and face type (such as raised face or flat face), allowing it to be securely bolted to the mating flange with bolts, nuts, and gaskets. The plain end is designed to fit inside or over the end of the pipe or fitting it connects to, ensuring a smooth transition and maintaining structural integrity in various industrial piping systems.
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
As a reliable Adaptor Flange Supplier, we provide flange adapters widely used across industries like oil and gas, chemical processing, water treatment, and HVAC systems. Engineers and technicians use them to quickly modify, extend, or repair pipelines—without relying on extensive welding or pipe cutting. This adaptability simplifies installation and maintenance, helping clients save on operational costs and reduce downtime significantly.
Installation
As a trusted Adaptor Flange Supplier, we ensure each flange adapter delivers optimal performance in demanding industrial environments. To install a flange adapter, technicians align the flanged end with the mating flange, place the gasket correctly, and tighten the bolts evenly to create a leak-proof seal. Proper installation prevents leaks that could cause environmental hazards, product loss, and safety risks. Our flange adapters withstand high fluid pressure and temperature variations, offering long-term reliability and robust performance.

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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Half Pipe Sleeve, Half Repair Pipe Sleeve, Pre-Stressed Metallic Sleeve.