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'' |
Schedule: |
Sch10s,SCH20,SCH40,SCH80,SCH120,SCH160,SCH-STD,SCH-XS,SCH-XXS. |
Material: |
Carbon Steel ASTM A234 |
Surface Treatment: |
Black Painting / Anti Rust Oil / Hot Dip Galvanized |
Angle: |
180 Degrees |
Application: |
Oil And Gas Pipelines, Chemical Plants, Power Generation Facilities, And Refineries |
Product Name: |
ASME B16.9 180 Degree Long Radius Elbows |
Type: |
Long-radius (L/R) 180° Returns |
Size: |
From 1/2'' To 24'' |
Schedule: |
Sch10s,SCH20,SCH40,SCH80,SCH120,SCH160,SCH-STD,SCH-XS,SCH-XXS. |
Material: |
Carbon Steel ASTM A234 |
Surface Treatment: |
Black Painting / Anti Rust Oil / Hot Dip Galvanized |
Angle: |
180 Degrees |
Application: |
Oil And Gas Pipelines, Chemical Plants, Power Generation Facilities, And Refineries |
ASME B16.9 Pipe Fitting Elbow Carbon Steel ASTM A234 Butt Weld 180 Degree Long Radius Pipe 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 Seamless 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 |
ASTM A234 Grade WPB: Grade WPB is the most commonly used carbon steel grade for pipe fittings. It offers good mechanical properties and is suitable for general-purpose applications.
ASTM A234 Grade WPC: Grade WPC is a carbon steel grade that provides enhanced impact resistance at low temperatures. It is commonly used for applications requiring low-temperature service.
ASTM A234 Grade WP11: Grade WP11 is a chromium-molybdenum alloy steel grade that offers excellent high-temperature strength and corrosion resistance. It is commonly used for applications in high-temperature and high-pressure environments.
ASTM A234 Grade WP22: Grade WP22 is another chromium-molybdenum alloy steel grade with improved high-temperature strength and corrosion resistance. It is suitable for applications requiring resistance to elevated temperatures.
ASTM A234 Grade WP5: Grade WP5 is a chromium-molybdenum alloy steel grade that offers good strength and oxidation resistance at high temperatures. It is commonly used for applications in power generation and petrochemical industries.
ASTM A234 Grade WP9: Grade WP9 is a chromium-molybdenum alloy steel grade with enhanced creep resistance and high-temperature strength. It is suitable for applications involving elevated temperatures and pressures.
ASTM A234 Grade WP91: Grade WP91 is a high-strength chromium-molybdenum alloy steel grade with excellent creep resistance and corrosion resistance. It is commonly used for applications in power plants and refineries.
Smooth Flow Transition: The 180-degree long radius design of these elbows helps to maintain a smooth and uninterrupted flow of fluid within the piping system. It minimizes turbulence and pressure drop, optimizing the overall efficiency of the system.
Enhanced Flow Characteristics: The larger radius of the long radius elbows allows for a more gradual change in direction, resulting in reduced flow resistance and pressure loss. This promotes improved flow characteristics and helps to minimize energy consumption.
Improved Flow Direction: The 180-degree long radius elbows provided by these elbows allows for a complete reversal of flow direction, which can be beneficial in certain piping system configurations. It enables efficient flow redirection without the need for additional fittings or complex piping arrangements.
Stress Reduction: The longer radius of the 180-degree long radius elbows helps to distribute stress more evenly along the curvature, reducing the concentration of stress at the point of direction change. This helps to minimize the potential for stress-related issues such as fatigue or failure.
Applications of ASME B16.9 Carbon Steel 180 Degree Long Radius Elbows:
Wastewater Treatment Plants: In wastewater treatment plants, ASME B16.9 Carbon 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 Carbon 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 Carbon 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 Carbon 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 Carbon 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.
