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Suction cup D20-2 Silicone, 1/8" NPT male, with dual flow control valve, D20-2.20.02DC


Part no. D20-2.20.02DC

  • Suitable for objects with curved or irregular surfaces
  • Grips around corners and edges.
Metric   Imperial
Curve radius 0.31 in
Movement, vertical max. 0.18 in
Application Plastic injection molded parts
Material Silicone (SIL)
Suction cup model D
Suction cup shape Deep
Volume 0.15 in³
Weight 0.08 oz
Fitting size 1/8"
Fitting style Male
Fitting type NPT-thread
Fitting option Dual flow control valve
Height 0.99 in
Outer diameter 0.87 in
Performance — lifting forces
Vertical lifting force
6 -inHg 1.33 lbf
18 -inHg 3.37 lbf
27 -inHg 4.05 lbf
Silicone (SIL)
Color Red
Hardness 50 °Shore A
Temperature -40 – 392 °F
Material resistance
Silicone (SIL)
Alcohol ++
Concentrated acids -
Ethanol N/A
Hydrolysis +
Methanol N/A
Oil -
Oxidation +++
Gasoline -
Wear resistance ++
Weather and ozone +++

Dimensional drawings

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Spare parts
Part no.
Suction cup D20-2 Silicone D20-2.20
Fitting 1/8" NPT male, with dual flow control valve 02DC

Part no.
Suction cup D20-2 Chloroprene D20-2.10
Fitting M5 female 02AA
Fitting G1/8" male, with mesh filter 02AB
Fitting 1/8" NPT male, with mesh filter 02AC
Fitting G1/8" male/M5 female 02AD
Fitting 5xM5 female 02AE
Fitting G1/8" male/M5 female, with mesh filter 02AF
Fitting G1/8" male/M5 female, PA 02CD
Fitting M5 female, with dual flow control valve 02DA
Fitting G1/8" male, with mesh filter and dual flow control valve 02DB
Fitting G1/8" male/M5 female, with dual flow control valve 02DD
Fitting 5xM5 female, with dual flow control valve 02DE
Support / CAD
Please use desktop version/ordinary computer to download CAD files.
Data sheets
Manuals (1)
Brochures (1)
Certificates (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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