Link-Flex | Premium Expansion Joints for Industrial Applications

Trusted Manufacturer of Industrial Expansion Joints

Link-Flex has been a leading manufacturer of expansion joints designed to absorb thermal expansion, vibration, and movement in piping and duct systems. Our products are built to withstand extreme temperatures, pressures, and corrosive environments.

With decades of engineering expertise, we serve critical industries where performance and safety are non-negotiable. From custom solutions to standard configurations, Link-Flex ensures every joint meets rigorous quality standards.

High-temperature resistance
Corrosion-resistant materials
Custom engineering support
ISO-compliant manufacturing

Our Expansion Joint Products

Explore our range of high-performance expansion joints engineered for industrial reliability and longevity.

Model 751 - Single Metal Expansion Joint

Designed for axial movement compensation in high-pressure piping systems. Ideal for steam and gas applications.

Material: Stainless Steel 304/316
Pressure Rating: Up to 300 PSI
Temp Range: -300°F to 1200°F
Ends: Flanged, Welded, or Threaded

Model 752 - Double Metal Expansion Joint

Enhanced flexibility with dual bellows for greater movement absorption in complex piping networks.

Material: Inconel 625 or SS 321
Pressure Rating: Up to 250 PSI
Temp Range: -400°F to 1400°F
Features: Internal Liner, External Cover

Style 50 - Rectangular Duct Joint

Heavy-duty expansion joint for HVAC, exhaust, and flue gas systems with rectangular cross-sections.

Material: Carbon Steel with Refractory Lining
Pressure Rating: Up to 15 PSI
Temp Range: -50°F to 1800°F
Seal: High-temp Fabric or Metal

Style 5 - Universal Expansion Joint

Absorbs axial, lateral, and angular movements. Perfect for systems with multidirectional thermal expansion.

Material: SS 304L, SS 316L
Pressure Rating: Up to 200 PSI
Design: Two Bellows with Center Spool
Applications: Power Plants, Refineries

Style 20 - Hinged Expansion Joint

Controls angular rotation in one plane. Used in systems requiring directional stability under pressure thrust.

Material: Forged Steel Hinges, SS Bellows
Pressure Rating: Up to 400 PSI
Angular Deflection: ±5° per hinge
Use Case: Piping with Anchors & Guides

Style 25 - Gimbal Expansion Joint

Allows angular rotation in any plane. Ideal for complex movement scenarios in large-diameter piping.

Material: Carbon Steel Frame, SS Bellows
Pressure Rating: Up to 350 PSI
Angular Movement: ±10° in any direction
Applications: Turbine Inlet/Outlet

Style 15 - Externally Pressurized Joint

Designed for high-pressure applications where internal pressure would otherwise cause instability.

Material: SS 316, Alloy 800
Pressure Rating: Up to 500 PSI
Design: External Pressure Chamber
Benefits: No Pressure Thrust, Stable

Style 60 - Toroidal Expansion Joint

High-cycle fatigue resistance with toroidal-shaped convolutions. Suitable for pulsating systems.

Material: SS 321, Inconel 600
Pressure Rating: Up to 275 PSI
Flex Life: >100,000 cycles
Applications: Compressors, Pumps

Why Choose Link-Flex?

Our expansion joints are engineered for performance, safety, and long-term reliability in the most demanding environments.

Extreme Temperature Resistant

Engineered to perform reliably from cryogenic to 1800°F environments.

Corrosion Resistant Materials

Constructed with stainless steel, Inconel, and specialty alloys for harsh chemical exposure.

Custom Engineering

Tailored solutions for unique pressure, movement, and space constraints.

Industrial-Grade Durability

Built to last in power plants, refineries, and heavy industrial facilities.

Frequently Asked Questions

What is an expansion joint?

An expansion joint is a flexible element in a piping or duct system that absorbs thermal expansion, vibration, and movement to prevent stress and damage to connected equipment.

What materials are used in Link-Flex joints?

We use stainless steel (304, 316, 321), Inconel, carbon steel, and specialty alloys depending on temperature, pressure, and corrosion requirements.

Can you customize expansion joints?

Yes, Link-Flex offers full custom engineering services to meet specific dimensional, pressure, temperature, and movement requirements.

What industries use your products?

Our expansion joints are used in petrochemical, power generation, HVAC, pulp & paper, semiconductor, and industrial processing facilities.

How do I select the right expansion joint?

Selection depends on movement type (axial, lateral, angular), pressure, temperature, media, cycle life, and space constraints. Contact our engineering team for support.

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Precision Expansion Joints for Demanding Industries