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Flanges

Top-Quality Industrial Pipe Fittings Manufacturer & Supplier

Realbolt Engineering Industries is a leading manufacturer and supplier of high-performance industrial pipe fittings, offering a complete range of connection components for pipelines used in Oil & Gas, Petrochemical, Chemical Processing, Water Treatment, and Power Generation industries. With a commitment to quality and innovation, we deliver fittings engineered to perform reliably in high-pressure and corrosive environments.

Manufactured using advanced technology and premium raw materials, our pipe fittings ensure superior strength, dimensional accuracy, and leak-proof performance. Whether for standard or custom applications, Realbolt Engineering Industries provides fitting solutions that meet rigorous international quality standards and customer specifications.


Pipe Fitting Specifications

We offer a comprehensive range of pipe fittings in multiple types including Elbows, Tees, Reducers, Caps, Nipples, Couplings, Unions, and Crosses in Butt Weld, Socket Weld, and Threaded end connections. All products are manufactured in accordance with ANSI, ASME, MSS-SP, DIN, and other international standards.

Pipe Fittings Specifications ASTM A403/ ASME SA403
Pipe Fittings size Seamless Butt Weld Fittings : 1/2" - 10"
Welded Butt Weld Fittings : 1/2" - 48"
Pipe Fittings Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10
Buttweld Fittings Thickness SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
Buttweld Pipe FittingsType DN15-DN1200
ASTM A403 SS Buttweld Fitting Connection Welding
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom ASTM A403 Grade WP Pipe Fitting
Size Range ½" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) ASTM A403 WP Buttweld Fitting
ASTM A403 SS Buttweld Fittings Manufacturing process Push, Press, Forge, Cast, etc.
Buttweld Pipe Fittings Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
SA 403 Pipe Fittings Origin & Mills Japanese, Indian, USA, Korean, European, Ukraine, Russian
Specialized manufacturer of 90º Elbows, 45º Elbows, Tees, Cross, Reducer, Pipe Cap, Stub End, Pipe Bend

Elbow Pipe Fittings

Elbow fittings are used to change the direction of flow in a piping system, typically by 45° or 90°. They are one of the most common pipe fittings used in various industrial applications including Oil & Gas, Chemical Processing, Power Plants, and Water Treatment. These fittings offer smooth directional changes while maintaining system integrity and minimizing pressure losses.

Elbow Pipe Fittings

Production Range

Dimensions: ASME B16.9, B16.28, MSS-SP-43, DIN, EN, JIS, ISO, Custom
Size: 1/2″ (15 NB) to 48″ (1200 NB)
Types: 90° Elbow, 45° Elbow, Long Radius (LR), Short Radius (SR)
Connection: Butt Weld, Socket Weld, Threaded
Wall Thickness: Sch 5 to Sch XXS (Including Sch 10, 20, 40, 80, 160)
Standards: ANSI, ASTM, ASME, DIN, BS, EN, JIS
Material Grades: Stainless Steel, Carbon Steel, Alloy Steel, Duplex, Super Duplex, Nickel Alloys
Form: Seamless / Welded / Fabricated

Tee Pipe Fittings

A Tee is a pipe fitting used to connect three pipes together, typically in a T-shaped configuration. It allows for a branching of the flow of fluid or gas between the connected pipes. Tees are commonly used in pipelines and are available in a variety of materials such as Stainless Steel, Carbon Steel, Alloy Steel, and others. They come in different types, including Equal Tees and Reducing Tees, depending on the size of the branches and the main pipe.

Equal Tees have all three openings of the same size, while Reducing Tees have one smaller branch pipe connected to a larger pipe. Tees are often used in industries like Oil & Gas, Chemical, Power Generation, and Water Treatment.

Tee Fitting

Production Range

Dimensions: ASME B16.9, B16.28, MSS-SP-43, MSS-SP-48, Custom
Size: 1/2″ to 48″ (Various Sizes Available)
Type: Equal Tee, Reducing Tee
Material Grades: Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, Super Duplex, Nickel Alloys
Schedules: Sch 5 to Sch 160, Sch XXS
End Connections: Butt Weld, Beveled, Flanged, Threaded
Standard: ANSI, ASME, ASTM, BS, DIN

Long & Short Stub End Pipe Fittings

Stub End fittings are used with lap joint flanges in piping systems where frequent dismantling is required for inspection or maintenance. They are available in two main types: **Long Stub Ends** (Type A or C) for standard lap joint applications and **Short Stub Ends** (Type B) for use with standard flanges. These fittings offer cost-efficiency and are ideal for systems handling corrosive or high-purity media.

Long & Short Stub End Pipe Fittings

Production Range

Dimensions: ASME B16.9, MSS-SP-43, DIN, EN, JIS, ISO, Custom
Size: 1/2″ (15 NB) to 48″ (1200 NB)
Types: Long Stub End (Type A/C), Short Stub End (Type B)
Wall Thickness: Sch 5 to Sch XXS (Including Sch 10, 20, 40, 80, 160)
Connection: Butt Weld
Standards: ANSI, ASTM, ASME, DIN, BS, EN, JIS
Material Grades: Stainless Steel, Carbon Steel, Alloy Steel, Duplex, Super Duplex, Nickel Alloys
Form: Seamless / Welded / Fabricated

Swage Nipple & Barrel Nipple

Swage Nipples and Barrel Nipples are commonly used in piping systems to connect pipes of different sizes or to serve as pipe extensions. Swage Nipples are reducer-style fittings used for changing pipe diameters in threaded or socket weld connections, whereas Barrel Nipples are straight pipe segments threaded on both ends, used for close connections between fittings or valves.

These fittings are ideal for high-pressure applications and are manufactured to strict tolerances to ensure secure and leak-proof connections. Available in various end configurations, materials, and lengths, they are widely used in industries such as Oil & Gas, Petrochemicals, and Power Plants.

Swage Nipple & Barrel Nipple

Production Range

Dimensions: ASME B16.11, MSS-SP-95, BS3799, DIN, EN, Custom
Size: 1/8″ to 4″ (Threaded or Socket Weld Ends)
Types: Swage Nipple (Concentric / Eccentric), Barrel Nipple (Close / Standard / Long)
End Connections: Plain, Threaded (NPT/BSP), Beveled, Socket Weld
Schedules: Sch 10 to Sch XXS
Material Grades: Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, Super Duplex, Nickel Alloys
Form: Seamless / Welded / Forged

Concentric & Eccentric Reducers

Reducers are pipe fittings used to connect pipes of different diameters. Concentric and eccentric reducers are designed to reduce the pipe size in a controlled manner, ensuring smooth flow and minimal turbulence. The key difference between the two types is in the way the reduction is achieved:

  • Concentric Reducer: A concentric reducer has a uniform, symmetrical shape, with a centered smaller diameter, maintaining the centerline of the pipe.
  • Eccentric Reducer: An eccentric reducer has an offset, with the smaller diameter positioned to one side, typically used in horizontal pipelines to maintain a level flowline.

Both types are commonly used in various industries, such as Oil & Gas, Power Generation, and Water Treatment, where size transitions are needed without affecting system performance.

Concentric & Eccentric Reducers

Production Range

Dimensions: ANSI B16.9, MSS SP-43, Custom
Size: 1/2″ (15 NB) to 48″ (1200 NB)
Material Grades: Stainless Steel (304, 316), Carbon Steel, Alloy Steel, Inconel, Monel, Copper Nickel
Pressure Ratings: 150, 300, 600, 900, 1500, 2500 PSI
End Types: Butt Weld, Socket Weld, Threaded
Standards: ANSI, ASME, DIN, BS, MSS, JIS
Applications: Oil & Gas, Power Generation, Water Treatment, Chemical Processing

Cap Pipe Fittings

Cap fittings are used to close the end of a pipe, preventing flow and ensuring the safety of the system. These fittings are essential in pipeline maintenance, construction, and temporary shutdowns. Cap pipe fittings are available in various materials, such as stainless steel, carbon steel, and alloy steel, to suit different applications, from high-pressure systems to corrosive environments.

Cap Pipe Fittings

Production Range

Dimensions: ANSI B16.9, B16.25, MSS SP-43, Custom
Size: 1/2″ (15 NB) to 48″ (1200 NB)
Class: 150, 300, 600, 900, 1500, 2500 LBS
Material Grades: Stainless Steel (304, 316), Carbon Steel, Alloy Steel, Inconel, Monel
Pressure Ratings: 150, 300, 600, 900, 1500, 2500 PSI
End Types: Butt Weld, Socket Weld, Threaded, Flanged
Standards: ANSI, ASME, DIN, BS, MSS, JIS