Metric Polyurethane Tubing | Parker Series UM

NOTICE: Parker Parflex division will discontinue offering Series U Polyurethane Tubing August 1, 2019.

The recommended replacement is likely the new Series 95U, available July 1, 2019.

Polyether Base


Return to Plastic Tubing Selection Page


  • 90 to 95 Shore A durometer
  • Excellent kink and abrasion resistance
  • Excellent hydrolytic stability
  • Flexible and easy to assemble onto designated fittings
  • Polyurethane tubing exhibits the elongation and recovery characteristics of rubber and the chemical resistance associated with plastics

Sizes and Specifications

Part Number Tube O.D. (mm) Tube I.D. (mm) Average Wall Thickness (mm) Working Pressure (psi, at 73°F/23°C) Minimum Burst (psi, at 73°F/23°C)
UM4x2.5-XXXX 4 2.5 0.75 131 377
UM6x4-XXXX 6 4.0 1.00 131 377
UM8x5-XXXX 8 5.0 1.50 131 377
UM10x6.5-XXXX 10 6.5 1.75 131 377
UM12x8-XXXX 12 8.0 2.00 131 377


Available Colors Maximum Working Pressure (bar)
tubing-parker-um-series-colors.png tubing-parker-um-series-pressure-rating.png


  • The suggested operating temperature range for service at rated pressures with compatible fluids is -40°F to 180°F (-40°C to 82°C)


Use with The Following Parker Fittings

  • Prestolok Brass
  • Par-Barb

A tube support should be used with this tubing for maximum holding power where end loading, vibration or pressure spikes may occur. See compatibility chart for plastic tubing with fittings.



How to Order