Customable 304/316/321 Stainless Steel Metal Bellows Expansion joint Compensator
DN25-DN3000.
Our custom-engineered metal bellows expansion joints are precision-manufactured from premium-grade 304, 316, and 321 stainless steel to deliver reliable performance across a wide range of industrial piping systems. Designed to absorb thermal expansion, vibration, and misalignment, these compensators protect pipelines, equipment, and structural components from stress, fatigue, and premature failure.
Delivery
FOB
minimum order
1 piece
Supply Ability
50piece / Month
Country of Origin
China
Stock Time
30Day
Quantity:
US $1.00 - US $10000.00 / piece
Material Options
The 304 stainless steel grade offers excellent corrosion resistance and cost-effectiveness, making it ideal for general-purpose applications involving water, steam, and mild chemicals. The 316 grade provides superior resistance to chlorides and aggressive media, making it suitable for marine environments, chemical processing, and pharmaceutical applications. The 321 grade is stabilized with titanium, offering outstanding resistance to intergranular corrosion at elevated temperatures, which makes it the preferred choice for high-temperature exhaust, turbine, and aerospace-related piping systems.
Design and Construction
Each expansion joint consists of a flexible metallic bellows, end fittings, and optional internal sleeves, covers, and tie rods. The bellows are formed through hydraulic or mechanical processes to ensure uniform wall thickness, precise convolution geometry, and consistent spring rates. The number of convolutions, bellows length, diameter, and connection type can all be customized to meet specific thermal movement, pressure, and installation requirements.
Key Features
Fully customizable in diameter, length, convolution count, and connection style
Available with flanged, welded, threaded, or grooved ends
Capable of absorbing axial, lateral, and angular movements
High pressure and temperature resistance
Excellent fatigue life and corrosion resistance
Optional liners to reduce flow turbulence and prevent bellows erosion
Optional external covers for mechanical protection
Tie rods available for pressure thrust restraint
Applications
These stainless steel expansion joints are widely used in HVAC systems, district heating networks, chemical plants, petrochemical refineries, power generation facilities, marine piping, food processing, and semiconductor manufacturing. They are equally effective in steam lines, exhaust systems, gas turbines, heat exchangers, pumps, and compressor connections.
Customization Service
We provide full customization based on customer drawings, specifications, or operating conditions. Our engineering team can assist with movement calculation, bellows design, material selection, and connection configuration to ensure optimal performance and service life. Whether you require a single unit or large-volume production, we deliver consistent quality with short lead times and competitive pricing.
For further technical data, drawings, or quotations, please contact our sales team with your specific requirements.
The 304 stainless steel grade offers excellent corrosion resistance and cost-effectiveness, making it ideal for general-purpose applications involving water, steam, and mild chemicals. The 316 grade provides superior resistance to chlorides and aggressive media, making it suitable for marine environments, chemical processing, and pharmaceutical applications. The 321 grade is stabilized with titanium, offering outstanding resistance to intergranular corrosion at elevated temperatures, which makes it the preferred choice for high-temperature exhaust, turbine, and aerospace-related piping systems.
Design and Construction
Each expansion joint consists of a flexible metallic bellows, end fittings, and optional internal sleeves, covers, and tie rods. The bellows are formed through hydraulic or mechanical processes to ensure uniform wall thickness, precise convolution geometry, and consistent spring rates. The number of convolutions, bellows length, diameter, and connection type can all be customized to meet specific thermal movement, pressure, and installation requirements.
Key Features
Fully customizable in diameter, length, convolution count, and connection style
Available with flanged, welded, threaded, or grooved ends
Capable of absorbing axial, lateral, and angular movements
High pressure and temperature resistance
Excellent fatigue life and corrosion resistance
Optional liners to reduce flow turbulence and prevent bellows erosion
Optional external covers for mechanical protection
Tie rods available for pressure thrust restraint
Applications
These stainless steel expansion joints are widely used in HVAC systems, district heating networks, chemical plants, petrochemical refineries, power generation facilities, marine piping, food processing, and semiconductor manufacturing. They are equally effective in steam lines, exhaust systems, gas turbines, heat exchangers, pumps, and compressor connections.
Customization Service
We provide full customization based on customer drawings, specifications, or operating conditions. Our engineering team can assist with movement calculation, bellows design, material selection, and connection configuration to ensure optimal performance and service life. Whether you require a single unit or large-volume production, we deliver consistent quality with short lead times and competitive pricing.
For further technical data, drawings, or quotations, please contact our sales team with your specific requirements.
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