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Compressed air lines are laid with a fall, one to two percent being usual. Take offs rise from the top so condensate does not run into the consumers.

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Hoses and tubing

PU suction and delivery spiral hose

Polyurethane suction and delivery hose with an embedded spiral, 126 versions in bores from 25 to 300 mm. The range is flame retardant to DIN 4102 B1, antistatic and resistant to hydrolysis.

Wall build is selected through the design class: light, light to DIN 26057-1, medium heavy, heavy, super heavy and super heavy to DIN 26057-3. A food grade version is listed alongside the standard build.

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Buying guide

How to choose PU suction and delivery spiral hose

What matters when choosing: properties, comparison and typical applications.

Technical features

⚡Bore 25 to 300 mm - steps including 30, 40, 50, 75, 100, 125, 150, 200 and 250 mm

📏DIN 4102 B1 - flame retardant, also antistatic and hydrolysis resistant

⚙Six design classes - light, light to DIN 26057-1, medium heavy, heavy, super heavy, super heavy to DIN 26057-3

🔧Minimum bend radius 30 to 180 mm - graded by bore, 30 mm on the smallest hose

🌡Build - standard or food grade

Applications

Spiral hose conveys chips, dust, granulate and air in extraction systems, silo vehicles and woodworking machinery.

The spiral keeps the section open under suction, while the antistatic build drains charge out of the conveyed stream. The food grade version is routed in beverage plant and dry product handling.