Universal Flanged Stainless Steel Metal Bellows Expansion Joint Compensator
DN100-DN3500
The Universal Flanged Stainless Steel Metal Bellows Expansion Joint Compensator is a high-performance piping component designed to absorb thermal expansion and contraction, compensate for misalignment, and reduce vibration in pipeline systems. This versatile expansion joint consists of one or more stainless steel bellows as the primary elastic element, equipped with flanged connections at both ends for secure and leak-proof installation.
Delivery
FOB
minimum order
1 piece
Supply Ability
50piece /
Country of Origin
CHINA
Stock Time
30Day
Quantity:
US $100.00 - US $10000.00 / piece
Key Functions
This expansion joint serves multiple critical functions in industrial piping systems:
This expansion joint serves multiple critical functions in industrial piping systems:
Absorb thermal expansion and contraction – Compensates for dimensional changes in pipelines caused by temperature fluctuations
Reduce forces and moments – Minimizes stress on equipment connections and pipe supports
Compensate for misalignment – Accommodates axial, angular, and lateral displacement of pipes
Isolate vibration – Dampens mechanical vibrations and reduces noise transmission from connected equipment
Compensate foundation settlement – Protects piping systems from structural movement
Design and Construction
Bellows Element
The core component is a flexible metal bellows formed by precision technology into annular corrugations. The bellows can be manufactured as single-ply, two-ply, or multi-ply configurations depending on pressure and movement requirements. This elastic element provides the compensation capability while maintaining pressure integrity.
Bellows Element
The core component is a flexible metal bellows formed by precision technology into annular corrugations. The bellows can be manufactured as single-ply, two-ply, or multi-ply configurations depending on pressure and movement requirements. This elastic element provides the compensation capability while maintaining pressure integrity.
Flanged Connections
The expansion joint is equipped with standard flanges on both ends, manufactured from stainless steel or carbon steel. Flanges can be customized to meet various international standards including ANSI, DIN, EN, JIS, and GOST, ensuring compatibility with diverse piping systems worldwide.
The expansion joint is equipped with standard flanges on both ends, manufactured from stainless steel or carbon steel. Flanges can be customized to meet various international standards including ANSI, DIN, EN, JIS, and GOST, ensuring compatibility with diverse piping systems worldwide.
Movement Capabilities
This universal design is engineered to absorb three primary types of movement:
This universal design is engineered to absorb three primary types of movement:
Axial movement – Linear compression and extension along the pipe axis
Lateral movement – Parallel displacement perpendicular to the pipe axis
Angular movement – Rotational deflection from the pipe centerline
These movements can occur individually or in any combination, providing maximum flexibility in complex piping arrangements.
Material Specifications
The universal expansion joint is constructed using high-quality materials selected for durability and performance:
The universal expansion joint is constructed using high-quality materials selected for durability and performance:
Bellows Material:
Stainless Steel 304/304L – General service applications with good corrosion resistance
Stainless Steel 316/316L – Enhanced corrosion resistance for aggressive environments
Stainless Steel 321 – Heat-resistant applications
Flange Material:
Stainless Steel (304/316)
Carbon Steel (available upon request)
The operating temperature range spans from -270°C to 550°C, depending on the specific material grade selected, making this compensator suitable for cryogenic through high-temperature applications.
Performance Characteristics
The universal flanged compensator offers outstanding performance features:
The universal flanged compensator offers outstanding performance features:
Reasonable structural design – Provides good elasticity with large compensation capacity while exerting minimal counter-force on pipeline supports
Effective vibration and noise reduction – Dampens system vibrations and attenuates sound transmission
Excellent corrosion resistance – Stainless steel construction provides long service life even in aggressive media environments
Wide media compatibility – Suitable for steam, water, oil, gases, and various chemical fluids
Low flow resistance – Minimal pressure drop across the joint ensures efficient system operation
Technical Parameters
Nominal Diameter: DN15 – DN9000 (1/2"– 64")
Nominal Diameter: DN15 – DN9000 (1/2"– 64")
Nominal Pressure: 0.6 – 4.0 MPa (higher on request)
Axial Compensation: 18 – 400 mm
Temperature Range: -270°C to 550°C
Connection Type: Flanged (ANSI/DIN/EN/JIS/GOST)
