Design considerations for dewatering press fabrics to permit selection of slot widths, Uhle box sizing and determination of vacuum requirements are discussed in TAPPI TIP0404-27. Recommended vacuum factors are provided for calculation of Uhle box vacuum capacity. System design considerations for piping, separation and vacuum equipment are included.
Note: This TIP revision included the partial deletion of press fabric showering recommendations. Showers are discussed in TIP 0404-61 "Paper Machine Shower Recommendations."