BU-Lok Valves & Fitting India Pvt Ltd, an ISO 9001:2015 Certified Company, is a trusted leader in the manufacturing and supply of a wide range of high-quality elbow fittings. We take pride in offering materials with complete certifications, adhering to stringent international standards. Our comprehensive production range includes carbon steel elbows, stainless steel elbows, alloy steel elbows, and elbows crafted from special alloys like Monel, Inconel, and Hastelloy. We possess the capability to manufacture elbows with sizes ranging up to 48" and wall thicknesses from 1.5 mm to 40 mm for various specifications.
Elbows are indispensable pipe fittings used to alter the direction of fluid flow in pipes, typically at angles of 90°, 45°, or 180°. Commonly referred to as bends, they are available in a variety of materials, including stainless steel, carbon steel, alloy steel, nickel alloys, duplex, and cupro nickel.
A pipe elbow is a fitting that is used to change the direction of a piping system. It is a curved piece of pipe that can be made at various angles or degrees to allow pipes to be joined at different angles. Pipe elbows are commonly available in angles of 45 degrees and 90 degrees, but they can also be manufactured to other specific angles as needed.
Directional Change: The most fundamental purpose of a pipe elbow is to alter the direction of fluid flow. By providing a smooth and gradual change in the direction of the pipe, elbows enable pipes to navigate around obstacles or change course as needed in a piping system.
Turbulence Reduction: Pipe elbows are designed to create a gradual change in flow direction, which helps reduce turbulence and pressure drop within the piping system. This is crucial for maintaining the efficiency of fluid transport and preventing damage to equipment downstream.
Space Optimization: In tight or confined spaces, pipe elbows are used to make turns and changes in direction without the need for excessive space or complex routing of pipes. Short radius elbows, in particular, are useful in such situations.
Flow Control: In certain applications, the angle of a pipe elbow can be adjusted to control the rate or direction of flow. For example, a partially opened 90-degree elbow can act as a flow control valve.
Preventing Vibrations: Pipe elbows can be strategically placed to absorb and dampen vibrations in the piping system, reducing the risk of damage to pipes and equipment caused by excessive vibrations.
Reducing Stress and Fatigue: Elbows help distribute stress and fatigue evenly throughout the piping system, reducing the risk of pipe failure due to excessive stress at sharp bends.
Connecting Pipes of Different Sizes: In cases where pipes of different sizes need to be connected, reducing elbows are used to transition from a larger diameter pipe to a smaller one or vice versa.
Adapting to Space Constraints: Long radius elbows are used when ample space is available, allowing for smoother flow and reduced friction, while short radius elbows are employed in tight spaces.
Optimizing Hydraulic Systems: In hydraulic systems, the correct selection and placement of pipe elbows are critical to ensuring the proper functioning of the system and achieving the desired flow characteristics.
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Outside Diameter: |
Seamless Elbow ( 1/2″～24″), ERW / Welded / Fabricated Elbow (1/2″～48″) |
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Wall Thickness: |
3mm – 40mm / SCH3, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
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Bending Radius: |
R=1D – 10D, 15D, 20D |
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Product’s Angle: |
5° – 180° Elbows, 90° and 45° Long Radius Elbows, Long Radius Returns, Short Radius Elbows and Returns |
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Value Added Services: |
Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering |
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Production Grades: |
Stainless Steel, Alloy Steel, Duplex, Nickel Alloys, Low temperature Steel, Carbon Steel, Cupro Nickel |
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ASME: |
ANSI B16.9, ANSI B16.28, MSS-SP-43 |
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DIN: |
DIN2605, DIN2615, DIN2616, DIN2617, DIN28011 |
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EN: |
EN 10253-1, EN 10253-2 |
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ASTM A403 – ASME SA403 |
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
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ASME B16.9 |
Factory-Made Wrought Fittings Buttwelding |
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ASME B16.25 |
Buttwelding Ends |
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ASME B16.28 |
Wrought Steel Short Radius Elbows and Buttwelding Returns |
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MSS SP-43 |
Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications |
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Stainless Steel Elbow |
ASTM A403 WP Gr. 304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L |
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Carbon Steel Elbow |
ASTM A 234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70. |
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Low Temperature Carbon Steel Elbow |
ASTM A420 WPL3, A420 WPL6 |
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Alloy Steel Elbow |
ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 |
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Duplex Steel Elbow |
ASTM A 815, ASME SA 815 UNS NO S31803, S32205. Werkstoff No. 1.4462 |
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Nickel Alloy Elbow |
ASTM / ASME SB 336 UNS 2200 ( NICKEL 200 ), UNS 2201 (NICKEL 201 ), UNS 4400 (MONEL 400 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS n10276 ( HASTELLOY C 276 ) |
At BU-Lok Valves & Fitting India Pvt Ltd, we prioritize the safe transit of our products. To ensure that your elbow fittings reach you in pristine condition, we employ robust packaging methods. For international exports, our standard practice involves securely packaging the fittings in wooden cases. Each and every elbow fitting is meticulously marked with essential information, including Grade, Lot No, Size, Degree, and our distinctive trade mark. Additionally, we are fully equipped to accommodate custom marking requests to meet your unique specifications and requirements.
Our commitment to excellence is unwavering, and this is reflected in our stringent quality assurance processes. At BU-Lok Valves & Fitting India Pvt Ltd, every fitting and flange undergoes rigorous inspection at every stage of the production journey. This begins with the procurement of raw materials and extends through each manufacturing step until the final product is ready for dispatch. Our team conducts meticulous visual examinations to ensure strict adherence to internationally recognized codes and standards, including ASTM, ASME, MSS, DIN, EN, and JIS. We are also pleased to offer the option of engaging certified Inspection Agencies to oversee material reports, dimensions, and the overall quality conformity of our products.
Rest assured, when you choose BU-Lok Valves & Fitting India Pvt Ltd, you are selecting a partner committed to delivering elbow fittings of superior quality and reliability.
If you have any inquiries or require further information about our products and services, please do not hesitate to contact us.
