Flanged universal metal expanison joint
DN200-DN3000
The Flanged Universal Metal Expansion Joint is a highly versatile pipeline compensation solution designed to absorb complex movements in piping systems. This product consists of two metal bellows joined by a central pipe section, with flanged end connections on both sides for easy installation . The dual-bellows configuration enables superior movement absorption capabilities compared to single-bellows designs.
Delivery
FOB
minimum order
1 piece
Supply Ability
20-30piece / Month
Country of Origin
China
Stock Time
20-25Day
Quantity:
US $1000.00 - US $100000.00 / piece
## Design Features
The universal expansion joint comprises two flexible bellows separated by an intermediate spool piece, allowing it to accommodate multiple types of pipeline displacement simultaneously . The flanged ends facilitate straightforward connection to existing pipework and equipment, eliminating the need for specialized welding during installation.
Depending on the specific model, this expansion joint may be equipped with tie rod assemblies that distribute evenly around the circumference . With two tie rods positioned at 180 degrees, the joint can deflect both angularly and laterally. When three or more tie rods are fitted, the joint provides lateral deflection capability only .
## Movement Absorption
The Flanged Universal Metal Expansion Joint is primarily designed to absorb lateral movements in all planes . Additionally, it can accommodate angular movements and, with special design configurations, some degree of axial movement . The amount of lateral deflection the joint can handle depends on two key factors: the angular absorption capacity of each individual bellows and the length of the central pipe section. Increasing or decreasing the spool pipe length directly affects the lateral deflection capability .
## Engineering Considerations
This expansion joint is available in both **restrained** and **unrestrained** configurations . The restrained version incorporates tie rods capable of withstanding the thrust forces generated by internal pressure, making it suitable for applications where pressure loads must be managed . The unrestrained version does not resist pressure thrust and requires properly designed anchors and pipe alignment guides within the piping system .
When installing this product, adequate anchors and guides must be provided to ensure proper operation and to protect the piping system from excessive stress . The thermal expansion of the central pipe section is absorbed by the two bellows elements, contributing to the overall system flexibility .
The Flanged Universal Metal Expansion Joint is engineered for reliable performance across a broad temperature range, from -270°C to +900°C, depending on material selection . The product is available in sizes ranging from DN15 to DN6000, accommodating applications from small-bore instrumentation lines to large-diameter industrial piping systems . It is particularly well-suited for low to medium pressure applications where large lateral and axial movements must be compensated .
## Applications
This expansion joint finds widespread use in industries where thermal expansion and contraction, mechanical vibration, or pipeline settlement must be managed. Typical applications include power generation facilities, chemical processing plants, oil and gas systems, pressure vessels, and heating networks . The universal design provides effective compensation for complex pipeline configurations where movements occur in multiple directions simultaneously .
The universal expansion joint comprises two flexible bellows separated by an intermediate spool piece, allowing it to accommodate multiple types of pipeline displacement simultaneously . The flanged ends facilitate straightforward connection to existing pipework and equipment, eliminating the need for specialized welding during installation.
Depending on the specific model, this expansion joint may be equipped with tie rod assemblies that distribute evenly around the circumference . With two tie rods positioned at 180 degrees, the joint can deflect both angularly and laterally. When three or more tie rods are fitted, the joint provides lateral deflection capability only .
## Movement Absorption
The Flanged Universal Metal Expansion Joint is primarily designed to absorb lateral movements in all planes . Additionally, it can accommodate angular movements and, with special design configurations, some degree of axial movement . The amount of lateral deflection the joint can handle depends on two key factors: the angular absorption capacity of each individual bellows and the length of the central pipe section. Increasing or decreasing the spool pipe length directly affects the lateral deflection capability .
## Engineering Considerations
This expansion joint is available in both **restrained** and **unrestrained** configurations . The restrained version incorporates tie rods capable of withstanding the thrust forces generated by internal pressure, making it suitable for applications where pressure loads must be managed . The unrestrained version does not resist pressure thrust and requires properly designed anchors and pipe alignment guides within the piping system .
When installing this product, adequate anchors and guides must be provided to ensure proper operation and to protect the piping system from excessive stress . The thermal expansion of the central pipe section is absorbed by the two bellows elements, contributing to the overall system flexibility .
The Flanged Universal Metal Expansion Joint is engineered for reliable performance across a broad temperature range, from -270°C to +900°C, depending on material selection . The product is available in sizes ranging from DN15 to DN6000, accommodating applications from small-bore instrumentation lines to large-diameter industrial piping systems . It is particularly well-suited for low to medium pressure applications where large lateral and axial movements must be compensated .
## Applications
This expansion joint finds widespread use in industries where thermal expansion and contraction, mechanical vibration, or pipeline settlement must be managed. Typical applications include power generation facilities, chemical processing plants, oil and gas systems, pressure vessels, and heating networks . The universal design provides effective compensation for complex pipeline configurations where movements occur in multiple directions simultaneously .
