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Polyurethane Tubing Purple

Purple Polyurethane Tubing for Reliable Pneumatic Circuit Routing

Coilhose Pneumatics offers Polyurethane Tubing made from an ether (polytetra-methylene glycol ether) based compound, which will not hydrolyze or degrade when exposed to water. This purple polyurethane tubing is intended for industrial automation, machine building and maintenance.

Select tubing by outside diameter, inside diameter, pressure, temperature, bend radius and compatibility with the fitting and operating environment.

Download Tubing Datasheet

Key Benefits

  • Polyurethane construction
  • Compatible with suitable push-to-connect and other pneumatic fittings
  • Useful for organized machine plumbing
  • Color coding helps circuit identification
  • Suitable for OEM and maintenance use
  • Flexible material for compact routing

Common Applications

  • Industrial automation
  • Pneumatic cylinders
  • Valve manifolds
  • Packaging equipment
  • Machine tools
  • OEM equipment

Frequently Asked Questions

What is polyurethane tubing used for?

It carries compressed air or other compatible media between pneumatic components.

How do I select the correct tube size?

Match outside diameter to the fitting and ensure the inside diameter provides adequate flow.

Can it be used with push-to-connect fittings?

Yes, when the tube material, outside diameter and hardness are compatible with the fitting.

Does tubing length affect performance?

Yes. Long or undersized lines can increase pressure drop and slow actuator response.

Should tubing be cut square?

Yes. A clean square cut helps the tube seal correctly in push-to-connect fittings.

Why use colored pneumatic tubing?

Color can identify circuits, machine zones or functions during installation and maintenance.

How do I choose between nylon, polyethylene and polyurethane?

Consider pressure, flexibility, bend radius, abrasion, chemical exposure and temperature.

What should be checked before installation?

Confirm tube size, fitting compatibility, pressure, temperature and routing.

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