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RODLESS CYLINDER COMPARISON

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CABLE-TYPE

TRAC-TROL guides on close-tolerance metal bearings, completely separated from piston and cable seals. When loaded, there is still no effect on sealing mechanism.

BAND-TYPE

Load transmitted directly to piston and could effect sealing detrimentally.
TRAC-TROL has superior sealing mechanism which allows hydraulic service for very smooth, long-life performance. Hydraulic service not possible.
Must seal entire length of extrusion.
TRAC-TROL seals through two nylon covered aircraft type, pre-stressed, steel cables held to +.004 on the O.D., many times stronger than load carried. Must seal entire length of tube, exposing much more surface to air loss and contamination problems.
TRAC-TROL has low-cost cable and rod wipers available for extremely contaminated areas. Not available. Real problems in contaminated areas.
TRAC-TROL offers 7 bore sizes in 2 styles, total of 16 models. Only 4 sizes available, one company.
Two sizes from another.

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