Product details

RUBBER EXPANSION JOINT - SCREWED END (UNI/DIN/BS)

Rubber Expansion Joint – Threaded (UNI/DIN/BS)
The Rubber Expansion Joint – Threaded is a flexible connector used in piping systems to absorb vibration, reduce noise, compensate for thermal expansion, and correct minor installation misalignments. Unlike the flanged type, this joint uses threaded connections according to European standards (UNI – Italy, DIN – Germany, BS – United Kingdom). It is commonly applied in small to medium-sized pipelines, offering easy installation and maintenance.

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Technical Specifications

Size Range: DN15 – DN100 (½” – 4”)
Working Pressure: PN10, PN16, PN25 (depending on design and manufacturer)
Working Temperature: -20°C ~ 120°C (depending on rubber material)
Materials:
• Body: High-quality rubber (EPDM, NBR, Neoprene, Natural Rubber)
• Reinforcement: Nylon fabric or steel wire
• Threaded ends: Carbon steel, ductile iron, or stainless steel (UNI/DIN/BS standards)
Connection Type: Internal/external threaded ends according to UNI/DIN/BS standards (ISO 7/1, EN 10226)
Design Standards: ISO 4633, DIN 4809, UNI 12845
Applications:
• Water supply and drainage systems
• Firefighting systems (UNI 12845 compliance)
• Power plants, oil & gas, chemical industries
• HVAC, cooling, and wastewater treatment