Flange adaptor PE100 SDR17 PN10, d50-d1000 mm

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The Georg Fischer ELGEF Plus PE100 long spigot flange adaptor is engineered for piping professionals constructing flanged transitions in polyethylene networks. Covering sizes from d50 mm up to d1000 mm in SDR17, this injection-moulded component provides a dependable connection between PE pipelines, metal flanged valves, and equipment operating at pressures up to 10 bar for water and 5 bar for gas distribution.

Technical specifications

This long version flange adaptor is designed with an extended spigot that accommodates electrofusion couplers as well as butt fusion welding machines. Its dual sealing face ensures leak-tight performance across industrial, municipal, and utility installations.

• Nominal pressure rating: 10 bar water, 5 bar gas (SDR17)
• Dimensional coverage: d50 mm to d1000 mm (DN40 to DN1000)
• Wall thickness range: from 3.0 mm (d50) up to 59.3 mm (d1000)
• Jointing surface: combined flat and serrated face for profile and flat gaskets
• Design variants: Type A (without chamfer) and Type B (with chamfer)
• Valve compatibility: suitable for GF plastic (567, 578, 565) and metal butterfly valves up to DN250

Materials and standards

Manufactured from high-grade PE100 polyethylene in RAL 9005 black, this fitting delivers exceptional resistance to corrosion, aggressive media, and mechanical stresses. The material properties prevent internal incrustation and guarantee long-term operational integrity in demanding buried and above-ground networks.

The component complies with DVS 2207 jointing standards and integrates seamlessly into the manufacturer's Track & Trace system for full batch traceability across industrial, municipal water, and natural gas conveyance projects.

Installation and jointing

Installation is carried out using infrared (IR) fusion, butt fusion, or electrofusion joining techniques per DVS 2207 procedures. The elongated spigot length provides ample clamping area for alignment clamps and electrofusion couplers without risking distortion of the sealing face.

The serrated and flat jointing face accommodates profile seals in EPDM, NBR, or FKM across the entire d50–d1000 mm range, and flat gaskets in EPDM or FKM up to d315 mm. Proper bolt tightening sequences and backing rings must be applied to ensure uniform gasket compression and durable joint tightness.