PVDF Butt Fusion Unions

Georg Fischer SYGEF Standard PVDF butt fusion unions provide reliable, detachable connections for chemical distribution, semiconductor processing, and high-purity water piping systems. Manufactured from high-grade polyvinylidene fluoride with SDR21 wall thickness, these PN16 union assemblies allow straightforward maintenance and equipment disassembly without cutting pipelines.

Technical characteristics

Engineered for high thermal endurance and chemical inertness, these thermoplastic unions integrate seamlessly into automated butt fusion networks.

• Material: Polyvinylidene fluoride (PVDF) with premium FKM gasket sealing
• Nominal pressure & rating: SDR21 / PN16 (16 bar at 20°C)
• Temperature range: -20°C to +140°C for aggressive industrial media
• Dimensional range: d20 to d110 mm with metric butt fusion spigots
• Joining methods: Infrared (IR Plus), bead and crevice free (BCF Plus), and heated tool butt welding