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88 VAC U U M A N D ACC E S S O R I E S 7 For more information or for additional configurations, please contact us at NASInsideSales@imi-precision.com POLYURETHANE SERIES Polyurethane Round Flat (PRF) » Large stroke and great flexibility, easy to fit close to workpiece with various shapes » Large inner support structure to protect the sheet metal from deformation and damage during handling process » Tread pattern efficiently increases the friction force between cups and workpiece in order to prevent the oily metal sheets from slipping during the handling process » Modular structure design rated for quick evacuation and increasing strokes per minute » Polyurethane material available in 70 durometer, excellent wear resistance and oil resistance » Round cups are ideal for sheet metal with different thickness and shapes Application » Ideal for sheet metal handling including oily stamping applications » Applicable for glass, plywood and other stamping materials Order information Technical parameters Model Vertical pull-out force (N) Lateral pull-out force (N) Lateral pull-out force N (oily surface) Inner volume (cm3) Minimum curve radius of workplace (mm) Recommended hose diameter (mm) Weight (g) PRF30 45 35 31 4.5 25 6 4 PRF50 112 67 58 18.6 35 8 10 PRF80 285 147 134 56 60 8 25 PRFl00 420 205 189 105 70 8 42 Note: Vacuum level is -60kPa. The above pull-out force are specified without any safety factor. The value will changes according to different surface conditions of workpiece. For weights of cups with 1.25" Square Mount, add 10g. Series Code Polyurethane Round Flat PRF Material & Durometer Code Polyurethane 70 PU70 Fitting Code 3/8" NPT Female N38F 3/8" Pipe NPSC P38F* 3/8" Tapered BSPT T38F* G3/8 BSPP Female G38F 1.25" Square Mount 125S Size Code 30 mm 030 50 mm 050 80 mm 080 100 mm 100 XXX XXX XXXX XXXX Sheet Metal Slip Resistance * Please contact factory at NASInsideSales@imi-precision.com or 1-800-272-4511 for lead times on non-standard parts Material characteristics ratings Material Short time contact temperature (ºC) >30s Long time contact temperature (ºC) >30s Wear resistance Oil resistance Weather and ozone Polyurethane -20 ˜ +110 -10 ˜ +80 l l l l : Excellent ¡: Meets Industry Requirements Curved Surface Long Lifetime Oily Surface