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– 232 – www.zsi-foster.comWARNING: These products can expose you to chemicals including lead, which is known to the State of California to cause cancer, and which is known to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.CBN-PRB SeriesSupport With Pipe RollerThe CBN-PRB Rooftop Supports are designed for superior support of natural gas and refrigeration pipes. The roller allows for longitudinal movements of the pipe. This support is suitable for most types of roofing material or other flat surfaces.Cush-A-Block® Rooftop SupportsStandard Finish: Pre-galvanized (PG) or Hot Dipped Galvanized (HG)CBN-PRB Roller-Series with 1-5⁄8\Pre-Galv or Hot Dip Galv. Steel Channel with RollersPart No. Pipe Size(O.D.) Height A Uniform Load Lbs (kN)*CBNPRB1\8.707\1.594\2,500 *(11.12 kN)1-1⁄ 2\9.008\2\9.252\2-1⁄ 2\9.509\3\9.831\4\10.345\6\11.437\8\12.323\1.000\12\14.384\0.750\18\16.904\0\* This load is only for the capacity of the components in this assembly. Please consult roofing manufacturer or engineer for roof load capacity.5\127mm10\254mm101⁄2\267mm7-7⁄8\200mmHeightPipeSizeAHeightPipeSizeA1\8\