SPB4 20 SI-HD-65 SC080

Part no.:

Bellows suction cup (round) with 4.5 folds for wear-resistant handling

Suction cup materialSilicone SI-HD
Material hardness [Shore A]65 Shore A
Number of folds4.5
SPB4 20 SI-HD-65 SC080
Attribute Value
d 16 mm
d1 19.60 mm
d2 13.50 mm
D1 22 mm
Dk 24.40 mm
Dmax(S) 24.40 mm
Ds 21.40 mm
H 41 mm
H2 13 mm
H3 14.40 mm
Z (Stroke) 10 mm

Note: Acceptable dimensional tolerances for elastomer parts concerning to DIN ISO 3302-1 M3
Attribute Value
Suction force at -200 mbar 2.60 N
Suction force at -400 mbar 5.30 N
Suction force (-600mbar) 8 N
Pull-off force at -200 mbar 4.90 N
Pull-off force at -400 mbar 7 N
Volume 7.90 cm³
Size 20
Nipple family SC 080
Number of folds 4.50
Suction cup material Silicone SI-HD
Material hardness [Shore A] 65 Shore A
Weight 6.70 g
Product family SPB4

Note: Suction force: The specified suction forces are theoretical values with a dry, smooth and flat workpiece surface - they do not include a safety factor
The matching documentation for this product is available in this section.



The documentation is also fully available in English.



Ordering information: SPB4 20 SI-HD-65 SC080

Suction cup SPB4 (elastomer part + connection element) is delivered assembled. As an alternative the individual parts can also be ordered separately. To do this, the following ordering steps are required:

  • Suction cup of type SPB4 (step 1) – elastomer part, available in various diameters
  • Connection element of type SC (step 2) – available with various threads


Available accessories: filter screen, hose clamp, insert disc