250mm Polyurethane Ducting Medium Grade

250 mm Polyurethane Ducting Medium Grade is clear polyurethane ducting with a copper coated steel helix. It is the largest polyurethane bore stocked, for collector inlets and plant trunks moving high volumes of abrasive material.

Key features

• Nominal inside diameter 250 mm
• Clear polyurethane wall, so a blockage is visible without pulling the run apart
• Copper coated steel helix, anti-static when bonded to earth
• Abrasion resistance well beyond PVC for sawdust, grain and abrasive powders
• Weather resistant, suiting outdoor and semi exposed runs
• Temperature range -5°C to +80°C

Applications

• Cyclone and collector inlets
• Main plant trunk runs
• Bulk grain and seed handling
• Sawmill extraction systems
• High volume powder transfer

Compatibility and fitting

• Sized on inside diameter: 250 mm ducting fits a 250 mm spigot
• Clamp to spigots with a worm drive clamp
• Bond the copper coated helix to earth; it is only anti-static if it is actually earthed
• For plain air and fume with no abrasive content, grey PVC ducting costs less and lasts as long

How is a duct this size supported?

On saddles or straps at regular intervals, taking the weight off the connections. A 250 mm duct full of material is heavy, and hanging it off its spigots pulls the joints open.

Two people or one?

Two. The duct is light for its size but a 250 mm coil is unwieldy, and getting it onto a collector inlet single handed usually ends with a kinked first metre.

Every size is listed in polyurethane ducting medium grade.

Dispatched from our Brisbane warehouse. Australia-wide delivery, or collect from the warehouse once your order is confirmed ready.