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FIG 171
171 Single Pipe Roll

Size Range: 1" through 30"

Material: Cast iron roll and sockets, steel roll rod

Finish: Plain, Zinc Plated (Hot-Dip Galvanized optional) or Resilient Coated

Service: For suspension of pipe from two rods where longitudinal expansion and contraction may occur.

Approvals: Complies with Federal Specification A-A-1192A (Type 41), WW-H-171-E (Type 42), ANSI/MSS SP-69 and MSS SP-58 (Type 41).

Adjustment: Adjustable socket permits vertical adjustment at the roll.

Maximum Temperature: 400° F at roller, 300° F at resilient coated roller.

How to size:

  1. If the roll is to support non-insulated pipe, select the size directly from nominal pipe size (column 1) in the submittal table.
  2. If used with pipe covering protection saddle, see Figs. 160 – 166A submittals for size of pipe roll.


  • Provides for vertical adjustment; nut at bottom of hanger rod fits into the socket preventing loosening or turning due to vibration.
  • Pipe roll is designed for two point surface contact with pipe or saddle.

Features: Advantages of pipe rollers with a protective resilient coated covering.

  • Non conductive pipe rollers - prevent the passing of current from pipeline to structure.
  • Corrosion resistant - for protection against severe weather conditions, moderate corrosive conditions such as marine atmospheres and weather resistant to ultra-violet radiation.
  • Low coefficient of friction between pipe and resilient coated pipe roller.


  • Specify pipe roll size.
  • Order should include figure number, name and finish in all cases. Hanger rods and nuts to be ordered separately.
  • Be certain to order oversized rolls when insulation and protection saddles makes this necessary.

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