Pipe Fittings

Pipe Fittings

At Diya Steelloy, we offer a wide range of precision-engineered Pipe Fittings to meet the diverse requirements of the piping and flow control industry. Our comprehensive inventory includes Elbows, Tees, Reducers, Couplings, Unions, Caps, Crosses, and Nipples, available in various sizes, pressure classes, and configurations. Manufactured from high-grade Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, and Nickel Alloys, these fittings are designed for high-pressure, high-temperature, and corrosive environments. They are widely used in oil & gas, petrochemical, chemical, power generation, shipbuilding, water treatment, and construction industries, offering superior leak-proof performance, durability, dimensional accuracy, and ease of installation.

Dimensional Table for Pipe Fittings

Fitting Type Size Range Standards Material Grades Applications
Elbows (45°, 90°, 180°) ½” NB to 48” NB ASME B16.9 / B16.28 SS 304/316, CS A234 WPB, Alloy WP11/22 Directional change in pipelines
Tees (Equal & Reducing) ½” NB to 48” NB ASME B16.9 SS, CS, Alloy, Duplex Flow division or redirection
Reducers (Concentric & Eccentric) ½” NB to 48” NB ASME B16.9 SS 316, CS A234, Alloy WP12 Change in pipe diameter
Couplings (Full, Half, Reducing) ½” NB to 6” NB ASME B16.11 SS 304/316, CS, Alloy Steel Joining of pipes
Unions (Threaded / Socket Weld) ½” NB to 4” NB ASME B16.11 Stainless, Carbon, Alloy Steel Easy dismantling of piping systems
Caps (End Caps / Dome Caps) ½” NB to 48” NB ASME B16.9 SS, CS, Alloy Close ends of pipelines
Crosses (Equal & Reducing) ½” NB to 24” NB ASME B16.9 SS, CS, Duplex Flow distribution in four directions
Nipples (Hex, Barrel, Swage) ½” to 12” length ASTM A733 / MSS SP-95 SS, CS, Alloy Steel Connecting two fittings or valves

Types of Pipe Fittings

Elbows (45°, 90°, 180°)

Pipe elbows are essential fittings used to change the direction of flow in piping systems. Available in 45°, 90°, and 180° configurations, these elbows help reroute pipelines while maintaining smooth flow and minimizing pressure loss. Manufactured in a wide range of materials including stainless steel, carbon steel, alloy steel, duplex steel, and high-nickel alloys, elbows are available in long-radius (LR) and short-radius (SR) types to suit different pressure and space requirements. They are extensively used in oil & gas, petrochemical, power generation, water treatment, and structural piping systems.

Elbow Fittings
Key Features:-

  • Available in 45°, 90°, and 180° angles with long and short radius options.

  • Manufactured in compliance with ASME B16.9, B16.28, and other international standards.

  • Fabricated from high-quality stainless steel, carbon steel, alloy steel, and special alloys.

  • Ensures smooth directional change and reduces turbulence and pressure drop in pipelines.

  • Widely used in industries such as oil & gas, petrochemical, power plants, and HVAC systems.



Tees (Equal & Reducing)

Pipe Tees are essential components used to connect three sections of pipe at a 90-degree angle, facilitating the smooth distribution or collection of fluids. Equal Tees have three branches of the same size, while Reducing Tees feature one branch smaller than the run pipe to allow for controlled flow between different pipe sizes. Manufactured from stainless steel, carbon steel, alloy steel, duplex steel, and high-performance alloys, these fittings are known for their robust construction, corrosion resistance, and pressure-handling capabilities. Tees are widely used in chemical processing, oil & gas, water supply, power generation, and industrial piping systems.

Pipe Tees
Key Features:-

  • Available in Equal and Reducing configurations to suit various piping layouts.

  • Conforms to ASME B16.9, MSS-SP-75, and other international piping standards.

  • Offered in a wide range of materials including stainless, carbon, alloy, and duplex steels.

  • Ensures leak-proof, high-integrity joints for fluid handling and distribution systems.

  • Ideal for use in process piping, water treatment, gas transmission, and energy sectors.



Reducers (Concentric & Eccentric)

Reducers are vital pipe fittings used to connect pipes of different diameters, ensuring a smooth transition in flow within piping systems. Concentric Reducers have a symmetrical shape where the centerlines of both ends align, making them suitable for vertical piping and systems requiring uniform flow. Eccentric Reducers have an offset centerline, ideal for horizontal piping to prevent air accumulation or liquid pooling. Manufactured from high-quality carbon steel, stainless steel, alloy steel, and other specialty materials, these reducers offer excellent durability, corrosion resistance, and pressure-handling capability. They are extensively used in chemical, petrochemical, power plants, water treatment, and HVAC industries.

Reducers
Key Features:-

  • Available in Concentric and Eccentric designs for versatile piping requirements.

  • Manufactured according to ASME B16.9, MSS-SP-75, and other global standards.

  • Constructed from premium materials ensuring high strength and corrosion resistance.

  • Designed to provide smooth flow transition, minimizing turbulence and pressure loss.

  • Ideal for use in oil & gas, chemical processing, water supply, and HVAC applications.



Couplings (Full, Half, Reducing)

Couplings are essential pipe fittings used to connect two pipes together in a straight line, ensuring a secure and leak-free connection. Full Couplings are used to join small bore pipes, Half Couplings are typically welded directly to a branch pipe, and Reducing Couplings connect pipes of different diameters. These fittings are manufactured from high-grade carbon steel, stainless steel, alloy steel, and specialty metals to meet the demanding requirements of various industrial applications. Known for their strength, pressure resistance, and corrosion durability, couplings are widely used in oil & gas, plumbing, chemical processing, power generation, and marine applications.

Couplings
Key Features:-

  • Available in Full, Half, and Reducing types to suit various pipe joining needs.

  • Designed and manufactured as per ASME B16.11 and MSS-SP-83 standards.

  • Precision threading or socket weld ends for leak-proof and durable connections.

  • High resistance to temperature, pressure, and corrosive environments.

  • Widely used in pipelines, refineries, shipbuilding, chemical plants, and plumbing networks.



Unions (Threaded / Socket Weld)

Pipe unions are compact and versatile fittings designed to connect two pipes and allow future disconnection without cutting or welding. Available in Threaded and Socket Weld types, unions offer easy assembly and disassembly in piping systems, especially where regular maintenance or part replacement is required. Manufactured from durable carbon steel, stainless steel, alloy steel, and special alloys, unions are ideal for industrial piping, chemical processing, water treatment, and oil & gas applications. They are engineered to deliver leak-proof performance, precise alignment, and resistance to pressure and temperature variations.

Unions
Key Features:-

  • Available in Threaded and Socket Weld ends to match different piping connections.

  • Constructed to provide easy detachment and reattachment of piping without damage.

  • Manufactured as per ASME B16.11, MSS-SP-83, and other international standards.

  • Leak-proof design with high resistance to pressure and corrosion.

  • Widely used in refineries, process piping, shipbuilding, and chemical plants.



Caps (End Caps / Dome Caps)

Pipe caps, also known as End Caps or Dome Caps, are fittings used to seal the end of a pipe or pressure vessel. Designed to protect piping systems by blocking off the end, caps help prevent contamination, leakage, or unwanted flow. Available in a variety of materials like stainless steel, carbon steel, alloy steel, and non-ferrous metals, these caps are used in plumbing, petrochemical, pharmaceutical, food processing, and water treatment industries. With excellent pressure handling, corrosion resistance, and formability, caps are essential for safe and durable pipeline terminations.

Pipe Caps
Key Features:-

  • Available in Butt Weld, Socket Weld, and Threaded end connections.

  • Designed to seal and protect pipe ends from external damage or contamination.

  • Compliant with ASME B16.9, MSS-SP-43, and DIN standards.

  • Suitable for use in high-pressure and high-temperature environments.

  • Ideal for end-of-line applications and temporary or permanent pipe closures.



Crosses (Equal & Reducing)

Cross fittings, also known as pipe crosses, are used to connect four pipes at right angles to each other. These fittings come in two main types – Equal Cross, where all four ends are of the same diameter, and Reducing Cross, where one or more outlets differ in size. Fabricated from high-quality stainless steel, carbon steel, alloy steel, and other specialty materials, crosses are widely used in refineries, petrochemical plants, chemical processing, water distribution, and high-pressure piping systems. They provide efficient branching in complex piping networks while maintaining durability and strength.

Pipe Crosses
Key Features:-

  • Available in Equal and Reducing configurations to suit varied system layouts.

  • Manufactured as per international standards like ASME B16.9 and MSS-SP-75.

  • High tensile strength and corrosion resistance for demanding applications.

  • Precisely engineered to ensure leak-proof connections and uniform flow distribution.

  • Suitable for both high-pressure and high-temperature piping systems.



Nipples (Hex, Barrel, Swage)

Pipe Nipples are short lengths of pipe with male threads on one or both ends, used for connecting two other fittings or pipes. They come in various types including Hex Nipples, Barrel Nipples, and Swage Nipples, each designed for specific connection requirements. These fittings are manufactured from high-grade stainless steel, carbon steel, alloy steel, and other corrosion-resistant materials. Nipples are essential in plumbing, oil & gas, chemical processing, hydraulic systems, and pressure piping applications, offering quick and reliable joint solutions.

Pipe Nipples
Key Features:-

  • Available in Hex, Barrel, and Swage types with threaded or plain ends.

  • Manufactured in accordance with ASTM, ASME, and DIN standards for high reliability.

  • Excellent resistance to corrosion, heat, and pressure for critical environments.

  • Ideal for connecting pipes, valves, and equipment in tight or confined spaces.

  • Available in custom lengths and finishes such as black, galvanized, and polished.



Applications of Pipe Fittings


  • Widely used in plumbing systems for directing, connecting, and controlling the flow of water and gases.

  • Essential in oil & gas pipelines for handling high-pressure and corrosive fluids across upstream, midstream, and downstream operations.

  • Used in chemical and petrochemical plants for conveying hazardous and high-temperature fluids safely and reliably.

  • Applied in HVAC systems for efficient distribution of heating and cooling media across industrial and commercial setups.

  • Utilized in food processing and pharmaceutical industries where hygiene and corrosion resistance are critical.

  • Implemented in fire protection and sprinkler systems for reliable and leak-proof fluid distribution.

  • Used in marine and offshore structures to ensure secure piping under harsh environmental conditions.

Products

Go Back Top