Product Details
Place of Origin: Xi'an, Shaanxi Province, China
Brand Name: PeterTrade(PT)
Model Number: ASME B16.9 180 Degree Long Radius Elbows
Payment & Shipping Terms
Minimum Order Quantity: 1-10 Pieces
Price: negotiable
Packaging Details: Wooden Case,plywood Case,pallet Etc.
Delivery Time: about 15-45 days, accordingly
Payment Terms: D/A, T/T, L/C,D/P
Supply Ability: 100-200 Ton/Tons Per Month
Product Name: |
ASME B16.9 180 Degree Long Radius Elbows |
Type: |
Long-radius (L/R) 180° Returns |
Size: |
From 1/2'' To 24'' |
Thickness: |
Sch10s,SCH20,SCH40,SCH80,SCH120,SCH160,SCH-STD,SCH-XS,SCH-XXS. |
Material: |
Stainless Steel A403 WP304 WP304L WP304H |
Surface Treatment: |
Black Painting / Anti Rust Oil / Hot Dip Galvanized ETC. |
Angle: |
180 Degrees |
Application: |
Industrial, Plumbing, HVAC |
Product Name: |
ASME B16.9 180 Degree Long Radius Elbows |
Type: |
Long-radius (L/R) 180° Returns |
Size: |
From 1/2'' To 24'' |
Thickness: |
Sch10s,SCH20,SCH40,SCH80,SCH120,SCH160,SCH-STD,SCH-XS,SCH-XXS. |
Material: |
Stainless Steel A403 WP304 WP304L WP304H |
Surface Treatment: |
Black Painting / Anti Rust Oil / Hot Dip Galvanized ETC. |
Angle: |
180 Degrees |
Application: |
Industrial, Plumbing, HVAC |
ASME B16.9 Stainless Steel A403 WP304 WP304H WP304L Butt Weld 180 Degree Long Radius Elbows for Piping Systems
Product Introduction:
A 180 degree pipe elbow is a fitting that allows for a complete reversal of the piping system's direction by bending it at a 180-degree angle. It is used in situations where a significant change in direction is needed, or when a pipeline needs to be reversed without creating backflow.
The long-radius (L/R) 180° returns, manufactured in accordance with ASME B16.9, are pipe fittings that can redirect fluid flow to the parallel but opposite direction. These returns have a shape resembling a half-cut circular ring and are commonly referred to as "180° L/R bends." The purpose of the L/R 180° returns is to change the direction of fluid flow by 180 degrees. This means that the fluid enters the return from one side and exits from the opposite side, flowing in parallel but opposite directions.The long radius design of these returns ensures a smooth and gradual change in the flow direction. The larger bending radius helps minimize flow disruption, pressure drop, and turbulence, resulting in improved flow characteristics and reduced energy losses.
These long-radius (L/R) 180° returns are manufactured in accordance with the ASME B16.9 standard, which specifies the requirements for factory-made wrought steel buttwelding fittings. ASME B16.9 ensures dimensional accuracy, material compatibility, and adherence to industry standards, facilitating proper fit and integration within a piping system. L/R 180° returns find application in various industries, including oil and gas, chemical, petrochemical, and process industries. They are commonly used in piping systems where a complete reversal of fluid flow is required, such as in certain process operations or system configurations.
When installing L/R 180° returns, it is crucial to ensure proper alignment and orientation to ensure the desired flow reversal. Careful planning and accurate positioning are necessary to prevent any flow restrictions, pressure drop, or potential issues with fluid dynamics.
ASME B16.9 180 Degree Long Radius Elbows Dimensions:
| ASME B16.9 long-radius (L/R) 180° return Dimensions | |||
| NPS | D(outer dimension) | O(Center to Center) | K(Back to Face) |
| 1/2″ | 21.3 | 76 | 48 |
| 3/4″ | 26.7 | 76 | 51 |
| 1″ | 33.4 | 76 | 56 |
| 1 1/4″ | 42.2 | 95 | 70 |
| 1 1/2″ | 48.3 | 114 | 83 |
| 2″ | 60.3 | 152 | 106 |
| 2 1/2″ | 73 | 190 | 132 |
| 3″ | 88.9 | 229 | 159 |
| 3 1/2″ | 101.6 | 267 | 184 |
| 4″ | 114.3 | 305 | 210 |
| 5″ | 141.3 | 381 | 262 |
| 6″ | 168.3 | 457 | 313 |
| 8″ | 219.1 | 610 | 414 |
| 10″ | 273 | 762 | 518 |
| 12″ | 323.8 | 914 | 619 |
| 14″ | 355.6 | 1067 | 711 |
| 16″ | 406.4 | 1219 | 813 |
| 18″ | 457 | 1372 | 914 |
| 20″ | 508 | 1524 | 1016 |
| 22″ | 559 | 1676 | 1118 |
| 24″ | 610 | 1829 | 1219 |
Grades of ASTM A403 Stainless Steel 180 Degree Elbows:
ASTM A403 WP 304, 304H, and 304L are specifications that cover the requirements for wrought austenitic stainless steel pipe fittings.
Grade 304 is the most common stainless steel grade and is widely used in various industries.
It is an austenitic stainless steel with a high level of corrosion resistance, suitable for a wide range of applications.
ASTM A403 WP 304 specifies the requirements for seamless and welded stainless steel fittings made from Grade 304.
Grade 304H is a high-carbon variant of Grade 304 stainless steel.
It is specifically designed for high-temperature applications, as the higher carbon content improves the elevated-temperature strength of the material.
ASTM A403 WP 304H covers the requirements for seamless and welded stainless steel fittings made from Grade 304H.
Grade 304L is a low-carbon variant of Grade 304 stainless steel.
It offers improved resistance to sensitization, which is the formation of chromium carbides in the heat-affected zone during welding, leading to intergranular corrosion.
ASTM A403 WP 304L specifies the requirements for seamless and welded stainless steel fittings made from Grade 304L.
Corrosion Resistance: Stainless steel is known for its excellent corrosion resistance properties. ASME B16.9 Stainless Steel 180 Degree Long Radius Seamless Elbows are resistant to corrosion from various chemicals, acids, and environments, making them suitable for a wide range of applications, including those involving corrosive fluids.
Seamless Construction: ASME B16.9 Stainless Steel 180 Degree Long Radius Seamless Elbowsare manufactured using a seamless process, which means they are formed from a single piece of stainless steel without any welded joints. This seamless construction provides several benefits, including enhanced structural integrity, improved flow characteristics, and reduced vulnerability to leaks or failures in the welded areas.
Smooth Flow Transition: The long radius design of these elbows ensures a smooth and gradual change in the direction of fluid flow. This minimizes flow disruptions, pressure drop, and turbulence, resulting in improved flow efficiency and reduced energy losses in the piping system.
High Strength and Durability: Stainless steel offers excellent mechanical properties, including high strength and durability. ASME B16.9 Stainless Steel 180 Degree Long Radius Seamless Elbows can withstand high-pressure environments and are resistant to wear, making them suitable for demanding applications where reliability and longevity are crucial.
Hygienic and Sanitary Applications: Stainless steel is commonly used in industries that require strict hygiene standards, such as food processing, pharmaceuticals, and biotechnology. The smooth surface of ASME B16.9 Stainless Steel 180 Degree Long Radius Seamless Elbows helps to prevent bacterial growth, making them suitable for sanitary applications where cleanliness is essential.
Applications of ASME B16.9 Stainless Steel 180 Degree Long Radius Elbows:
Wastewater Treatment Plants: In wastewater treatment plants, ASME B16.9 Stainless Steel 180 Degree Long Radius Elbows are used to reverse the direction of the flow, redirecting the treated water or sludge to the desired location for further processing or disposal. They are often employed in applications such as sewage treatment, sludge handling, and water reclamation processes.
Chemical Plants: Chemical processing facilities often utilize ASME B16.9 Stainless Steel 180 Degree Long Radius Elbows to change the flow direction in pipelines handling different chemicals or fluids. These elbows allow for efficient routing of pipelines, enabling the transfer of materials between different processing units or storage tanks.
Power Generation Facilities: Power plants, including thermal power plants and nuclear power plants, utilize ASME B16.9 Stainless Steel 180 Degree Long Radius Elbows in their piping systems. These elbows help redirect the flow of steam, water, or other fluids within the power generation processes, facilitating efficient energy production.
Tight Space Installations: In applications where space is limited, such as in HVAC (heating, ventilation, and air conditioning) systems, confined areas, or retrofit projects, ASME B16.9 Stainless Steel 180 Degree Long Radius Elbows are used to navigate the piping through tight spaces or obstacles. They allow for a significant directional change within a relatively small area, optimizing the layout of the piping system.
Plumbing Systems: In residential, commercial, and industrial plumbing systems, ASME B16.9 Stainless Steel 180 Degree Long Radius Elbows can be used to redirect water or fluid flow to accommodate specific building layouts or plumbing requirements. They can be employed in water supply lines, drainage systems, or irrigation systems to change the direction of the flow as needed.
