PPR fusion Fitting

BF Loose Flange

This PPR loose flange (back‑up flange) is matched for PPR flange adapter, widely used for bolt‑up connection between PPR piping and flanged valves, pumps and other mechanical equipment. It can freely rotate around the flange adapter stub end, greatly simplifying bolt‑hole alignment during on‑site installation.

Available in plastic or metal material options, PN16 / PN25 pressure rating. High mechanical strength, anti‑corrosion, anti‑rust, suitable for hot‑cold water supply and mild chemical piping systems. Matches ISO15874 standard for PPR fittings, size range DN50‑DN160. Easy to assemble and disassemble for equipment maintenance, ideal for industrial plumbing, commercial water‑supply projects.

Key Advantages

Freely rotatable, easy bolt‑hole alignment for field installation
PN16‑PN25 pressure grade, high mechanical strength
Anti‑corrosion, rust‑proof for long‑term service
Convenient disassembly for equipment overhaul

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electrofusion fitting

BF Loose Flange

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