SPB4 50 SI-HD-65 SC090

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 50 SI-HD-65 SC090
Attribute Value
d 20 mm
d1 24.80 mm
d2 30 mm
D1 51 mm
Dk 31 mm
Dmax(S) 51.50 mm
Ds 50.30 mm
H 76 mm
H2 14 mm
H3 16 mm
Z (Stroke) 36.50 mm

Note: Acceptable dimensional tolerances for elastomer parts concerning to DIN ISO 3302-1 M3
Attribute Value
Suction force at -200 mbar 16.50 N
Suction force at -400 mbar 33 N
Suction force (-600mbar) 49.50 N
Pull-off force at -200 mbar 22 N
Pull-off force at -400 mbar 37 N
Volume 64.55 cm³
Size 50
Nipple family SC 090
Number of folds 4.50
Suction cup material Silicone SI-HD
Material hardness [Shore A] 65 Shore A
Weight 35.40 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 50 SI-HD-65 SC090

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