Double Tie Rod Expansion Joint

Product Description

Double Tie Rod Expansion Joint, also known as Double Tie Rod Compensator, is a pressure-balanced expansion device designed for pipeline systems requiring lateral movement compensation and pressure thrust control. The double tie rod structure provides enhanced stability and strength, allowing the expansion joint to effectively absorb thermal expansion, vibration, and mechanical displacement while maintaining pipeline alignment.

It is widely used in power generation, petrochemical, chemical processing, steel plants, heating systems, and industrial piping applications, especially for medium and large diameter pipelines with complex movement requirements.

Key Features

Pressure Thrust Control
The double tie rod system effectively absorbs internal pressure forces and prevents excessive pipeline movement.

Enhanced Structural Stability
Dual tie rods provide stronger support compared with standard tie rod expansion joints, ensuring reliable operation under demanding conditions.

Multi-directional Compensation
Designed to absorb lateral and angular movements caused by thermal expansion, vibration, and equipment displacement.

High Fatigue Resistance
High-quality bellows materials ensure long service life under repeated expansion and contraction cycles.

Customized Design Available
Available with customized dimensions, materials, movement capacity, and connection methods according to project requirements.

Applications

• Power Plant Steam Pipelines

• Petrochemical Process Piping

• Chemical Industry Pipelines

• District Heating Systems

• Boiler and Exhaust Systems

• Industrial Gas Pipelines

• Large Equipment Connections

• High Temperature Pipeline Systems

Technical Specifications

• Product Type: Double Tie Rod Bellows Expansion Joint

• Movement Type: Lateral Movement / Angular Movement / Combined Movement

• Bellows Material: Stainless Steel / Alloy Steel

• Tie Rod Material: Carbon Steel / Stainless Steel

• Connection: Flange Connection / Welding Connection

• Medium: Steam, Air, Gas, Hot Water, Chemical Media

• Pressure & Temperature: Customized According to Operating Conditions

• Design Standard: Customized Engineering Design Available

Advantages

• Strong pressure thrust restraint capability

• Suitable for complex pipeline layouts

• Improves system safety and stability

• Reduces pipeline stress and equipment damage

• Long service life under harsh conditions

• Suitable for OEM and project-based customization

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