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90 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 NITRILE SERIES Nitrile Round Bellow (NRB) » 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 » Available in 60 durometer material » Ideal for sheet metal with different thickness and shapes » Round 1.5 Bellows cups are ideal for workpieces with uneven shapes Application » Ideal for sheet metal handling including oily stamping applications » Ideal for parts with uneven surface » Applicable for glass, plywood and other stamping materials Order information Series Code Nitrile Round Bellow NRB Material Code NBR 60 NB60 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 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) NRB030 35 28 12 6.3 35 6 14 NRB050 85 58 55 11.2 45 8 25 NRB080 236 141 136 57 70 8 61 NRB100 371 228 221 92 95 8 92 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. * Please contact factory at NASInsideSales@imi-precision.com or 1-800-272-4511 for lead times on non-standard parts Sheet Metal Slip Resistance Curved Surface Long Lifetime Oily Surface Material characteristics ratings Material Short time contact temperature (ºC) >30s Long time contact temperature (ºC) >30s Wear resistance Oil resistance Weather and ozone Nitrile -20 ˜ +110 -10 ˜ +80 l l ¡ l : Excellent ¡: Meets Industry Requirements