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Suction cup RB20x45 Female insert fitting G1/4", 02.02.975


Part no. 02.02.975

  • Special rectangular-bellow design to suite oblong products in flow packs, such as candy bars.
  • Suitable for minor level adjustment. Can handle objects with small height differences.
  • Exceptional elastic memory, no compression set.
  • DURAFLEX® are suction cups manufactured in a specially developed material that features the elasticity of rubber and excellent wear resistance of polyurethane.
  • Swivel fitting option, prior to the locking operation, for easy positioning of the oval-rectangular cup.
Metric   Imperial
Curve radius 0.59 in
Movement, vertical max. 0.24 in
Application Bag opening/thin paper - slip sheets/film
Material Polyurethane (PU60)
Suction cup model RB
Suction cup shape Rectangular Bellows
Volume 0.37 in³
Weight 0.41 oz
Fitting size 1/4"
Fitting style Female
Fitting type G-thread
Fitting option None
Material Al
Height 0.85 in
Outer diameter 1.78 in
Width 1.78 in
Performance — lifting forces
Vertical lifting force Parallel lifting force
6 -inHg 3.37 lbf 4.72 lbf
18 -inHg 5.85 lbf 7.42 lbf
27 -inHg 8.99 lbf 12.8 lbf
Polyurethane (PU60)
Color Green transparent
Hardness 60 °Shore A
Temperature 50 – 122 °F
Material resistance
Polyurethane (PU60)
Alcohol N/A
Concentrated acids +
Ethanol +
Hydrolysis +
Methanol -
Oil +++
Oxidation -
Gasoline +
Wear resistance +++
Weather and ozone +++

Dimensional drawings

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Values specified in the data sheet are tested at:
Room temperature (20⁰C [68⁰F] ± 3⁰C [5.5⁰F])
Standard atmosphere (101.3 [29.9 inHg] ± 1.0 kPa [0.3 inHg])
Relative humidity 0-100%
Compressed air quality DIN ISO 8573-1 class 4
Support / CAD
Please use desktop version/ordinary computer to download CAD files.
Data sheets
Brochures (1)
White papers (1)
Training (4)
    • Suction cups

      • How do I know which lifting forces I need?
        • It depends on the weight of the product that should be lifted and how many suction cups that can be used for the object. Calculate the weight to be lifted per suction cup and then take the weight multiplied with the gravity force (g=9.81) and you have the lifting force needed in pound force (lbf).

      • How do I know which suction cup to choose?
        • Our recommendation is to start at the application listing to find the products we recommend to different applications. If you have questions please do not hesitate to contact our partners to find the optimum solution.

      • How should Piab suction cups be stored?
      • I have a variation of number of objects to be lifted- how can I make sure to not drop them or to use too much energy? How to optimize this type of system?
        • All suction cups not in contact with an object (open) will draw in a lot of air and demand a larger pump than actually necessary. By using different valves, such as piSAVE sense, in the suction cups, the suction cups will be normally closed until they come in contact with the handled object. Only the cups needed in the specific lifting cycle will be open and flow air. Please see the video piSAVE sense

      • What is DURAFLEX®?
        • DURAFLEX® is a patented material specially developed to feature the elasticity of rubber and the wear resistance of polyurethane. The DURAFLEX® material is mark-free.

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