Description
The Rubber Bellow (Expansion Joint) is designed to absorb motion and stress in piping systems, providing an effective solution for thermal expansion, angular deflection, and axial displacement. Due to its excellent integral function, this flexible rubber joint is widely used across various industrial applications to protect pipeline equipment from mechanical strain.
Engineered for performance and longevity, it effectively eliminates line vibration and dampens noise while helping to equalize minor alignment inaccuracies during assembly. Its compact volume and lightweight design ensure simple installation and low maintenance requirements over time.
Size Range & Pressure Rating
Size Range: DN50 to DN300
Pressure Rating: PN16 (16 Bar)
Construction & Materials
Flange: WCB Q235-A
Sphere: Reinforced EPDM (with steel wire core and outer/inner elastomer coating)
Key Features
• Absorbs vibration and dampens noise to reduce system stress
• Handles axial extension, compression, and horizontal displacement
• Allows up to 15° deflection angle across all standard sizes
• Compact, lightweight design for easy handling and installation
• High flexibility with low maintenance requirements
• Helps equalize assembly inaccuracies during installation
Applications
Widely used across several industries, including HVAC systems, water treatment networks, power generation, industrial processing, and general pumping systems to isolate vibration and accommodate thermal expansion.




