Catagorized by type
Find the joint that best fits your needs.
Metallic Joints
Expansion joints manufactured in stainless steel or carbon steel with corrugated metal bellows. Designed to absorb axial movements in high-pressure and temperature systems, ensuring tightness and extreme durability in critical industrial applications.
✓ Diameter range: DN 15 to DN 6000+ mm with customization capability
✓ Thermal resistance: up to 750°C with pressures PN 1 to PN 150
✓ Design and analysis under ASME VIII, EJMA Standards, and PED 2014/68/EU marked
✓ Service life of 25+ years under normal operating conditions
Rubber Joints
Anti-vibration expansion joints with elastomer bellows (EPDM, NBR, Viton). Ideal for absorbing axial, lateral movements and mechanical vibrations in low-medium pressure systems and moderate temperatures.
✓ Nominal pressure: PN 2.5 to PN 25 bar
✓ Vibration and noise isolation for rotary equipment
✓ Diameter range: DN 20 to DN 3000 mm
✓ Special elastomers available (Hypalon, Butyl) for specific fluids
Textile Joints
Technical fabric compensators for hot gas, smoke, and vapor ducts. Constructed with layers of fiberglass or ceramic fiber fabric coated with silicone or Teflon, offering maximum flexibility and high-temperature resistance without rigid metal structures.
✓ Thermal resistance: up to 1,100ºC in continuous service
✓ Zero internal pressure, ideal for ducts and chimneys
✓ Installation with angular, parallel, or custom flanges
✓ Light weight and easy handling on site
PTFE Joints
Expansion joints with PTFE bellows for chemically aggressive services. Universal inert material with maximum chemical resistance, especially suitable for chemical, pharmaceutical, and food industries with full compatibility for corrosive fluids.
✓ Universal chemical compatibility with acids, alkalis and solvents
✓ Low material adhesion and continuous self‑cleaning
✓ Service temperature: -20ºC to +200ºC
✓ Extended service life and zero maintenance
Dismantling Spools
Detachable joints to facilitate the installation, inspection and replacement of valves, pumps and equipment in pressurized systems. Available with metal bellows technology for absolute tightness without perishable gaskets.
✓ Technology without perishable gaskets, with permanent tightness (Series 416)
✓ PED 2014/68/EU certification for pressure equipment
✓ Unlimited warranty and service without preventive maintenance
Flexible Hoses
Metal flexible pipes and hoses with corrugations for pressurized fluid conduction under high temperatures and vibrations, and cable protection in industrial applications.
✓ Working pressure: PN 6 to PN 300 bar depending on model
✓ Size range: DN 6 to DN 300 mm
✓ Resistance to vibrations, shocks and repeated bending
✓ Accessories in carbon or stainless steel with external protection options
Custom Design and Manufacturing
At Coraci we offer comprehensive advanced engineering solutions for the customization of expansion joints. de expansión. We customize each expansion joint to the unique requirements of the customer's application, adapting to their specific parameters in accordance with EJMA and EN14917 standards, ensuring maximum reliability and service life to guarantee performance, durability, and utmost safety.
Every Coraci compensator is manufactured with a focus on quality, traceability and maximum safety for critical applications such as energy, petrochemicals, desalination and large infrastructures.
✓ Custom design according to the client’s drawings, conditions and specifications
✓ FEA simulation and calculation, ensuring optimal behaviour under pressure and fatigue
✓ Selection of materials (AISI 304, 316, Inconel, Hastelloy) according to chemical and thermal requirements
✓ Rapid prototyping and certification according to CE and PED standards
✓ Direct on‑site assistance and technical training for safe installation
