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Product details
FLEXIBLE METAL HOSE
A flexible joint (also known as an expansion joint) is a type of piping accessory designed to absorb vibration, oscillation, thermal expansion, and installation misalignment in piping systems. Simply put, it acts like a “shock absorber” for pipelines, helping the system operate smoothly and extending its service life.
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Technical Specifications
- Size Range: DN25 – DN1200
- Standard Length: 150 mm – 300 mm (depending on type)
- Materials:
• Joint body: EPDM, NBR, Neoprene, or PTFE (for chemical environments)
• Reinforcement layer: Fabric, steel, or nylon
• Flanges: Cast iron, carbon steel, stainless steel - Connection Types:
• Flanged
• Threaded
• Quick coupling - Working Pressure: PN10 – PN25 (equivalent to 10 – 25 bar)
- Working Temperature: -20°C ~ 120°C (EPDM/NBR rubber), up to 250°C with PTFE
- Allowable Misalignment:
• Axial offset: ±10 mm
• Angular offset: ±15°
• Expansion/contraction: ±20 mm - Manufacturing Standards: DIN, BS, JIS, ANSI
- Applications:
• Water supply and drainage systems
• HVAC (heating, ventilation, air conditioning)
• Power plants, oil & gas, chemical industries
• Firefighting systems, wastewater treatment
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