Plasson 2778 adaptor kit converts compatible Plasson compression fittings for barrier PE pipe. Match the kit to the pipe and fitting size.

The Plasson 2778 Barrier Pipe Adaptor Kit is designed to facilitate a secure and certified connection between standard fittings and barrier polyethylene (PE) pipe in potable water or contaminated-ground installations. It enables installers to convert a regular plastic compression fitting to accommodate MDPE barrier pipe without replacing the entire body.

Key Features:

• Converts standard Plasson compression fittings to accept barrier PE pipe
• No pipe end preparation required — reduces installation time and labour
• Certified for potable use: UK Water Regulations Part 4, conforms to BS 6920, BS 8588 (barrier‑pipe permeation tested)
• Suitable for use in contaminated-ground environments and domestic water supply systems
• Compatible with all leading brands of barrier pipe

Specifications:

• Model: 2778 series (also shown as PB 2778… kits)
• Size options: 25 mm (OD approx. 26.2–27.78 mm), 32 mm (OD approx. 33.3–34.78 mm) & 63mm (OD approx. 64.3–67.75mm)
• Seal material: NBR rubber
• Nut material: Polypropylene high‑grade copolymer
• Split ring material: Acetal copolymer
• Application: Barrier PE pipe connections in potable water systems
• Working pressure: Typically matches PN 10/12.5 for barrier main pipe systems