Rectangular Metal Expansion Joints
1500*1500*1000
Rectangular metal expansion joints are precision-engineered flexible connectors designed to compensate for thermal growth, mechanical vibration, and structural misalignment in large-scale ducting systems. Built with multi-ply bellows and robust corner constructions, they ensure system reliability in demanding industrial environments where circular joints are not applicable.
Delivery
FOB
minimum order
1 piece
Supply Ability
3piece / Month
Country of Origin
CHINA
Stock Time
25-30Day
Quantity:
US $500.00 - US $10000.00
/ piece
**Rectangular Metal Expansion Joints**
**1. Overview**
Rectangular metal expansion joints are precision-engineered flexible connectors designed to compensate for thermal growth, mechanical vibration, and structural misalignment in large-scale ducting systems. Built with multi-ply bellows and robust corner constructions, they ensure system reliability in demanding industrial environments where circular joints are not applicable.
**2. Key Advantages**
- **Superior Movement Capacity** – Capable of absorbing axial extension/compression, lateral deflection, and angular rotation simultaneously, reducing stress on adjacent equipment and supports.
- **Custom-Engineered Geometry** – Manufactured to match any rectangular or square cross-section, with corner designs available in mitered, round, or camera-type styles to suit specific flow and stress conditions.
- **High-Temperature & Corrosion Resistance** – Available in stainless steel (304/316L/321), or carbon steel, with optional internal liners and purge connections to protect bellows from high-velocity abrasive media.
- **Reinforced Corners** – Critical stress points are reinforced with gussets or multi-layer welds, significantly extending service life under cyclic thermal loading.
- **Zero Maintenance** – All-metal construction eliminates the need for rubber or fabric replacement, offering long-term cost savings.
- **Custom-Engineered Geometry** – Manufactured to match any rectangular or square cross-section, with corner designs available in mitered, round, or camera-type styles to suit specific flow and stress conditions.
- **High-Temperature & Corrosion Resistance** – Available in stainless steel (304/316L/321), or carbon steel, with optional internal liners and purge connections to protect bellows from high-velocity abrasive media.
- **Reinforced Corners** – Critical stress points are reinforced with gussets or multi-layer welds, significantly extending service life under cyclic thermal loading.
- **Zero Maintenance** – All-metal construction eliminates the need for rubber or fabric replacement, offering long-term cost savings.
**3. Technical Specifications (Typical Range)**
| Parameter | Specification |
| Size Range | Custom dimensions – any width, height, and length |
| Design Pressure | Up to 0.05 – 1.0 MPa (higher available upon request) |
| Design Temperature | -40°C to +850°C |
| Bellows Material | AISI 304, 316L, 321, or carbon steel |
| End Connections | Flanged (ANSI/BS/DIN) or butt-welded ends |
| Hardware Options | Internal sleeves, external covers, tie rods, drain ports |
| Size Range | Custom dimensions – any width, height, and length |
| Design Pressure | Up to 0.05 – 1.0 MPa (higher available upon request) |
| Design Temperature | -40°C to +850°C |
| Bellows Material | AISI 304, 316L, 321, or carbon steel |
| End Connections | Flanged (ANSI/BS/DIN) or butt-welded ends |
| Hardware Options | Internal sleeves, external covers, tie rods, drain ports |
**4. Typical Applications**
- **Power Generation** – Gas turbine exhausts, heat recovery steam generator (HRSG) ducts.
- **Petrochemical & Refining** – Catalytic cracker flue gas lines, regenerator ducts.
- **HVAC & Ventilation** – Large industrial air handling units and fume extraction systems.
- **Cement & Steel Mills** – Hot air conduits and dust collector inlets.
- **Petrochemical & Refining** – Catalytic cracker flue gas lines, regenerator ducts.
- **HVAC & Ventilation** – Large industrial air handling units and fume extraction systems.
- **Cement & Steel Mills** – Hot air conduits and dust collector inlets.
