Bellows suction cup (round) for very uneven workpieces

Suction cup materialSilicone SI
Material hardness [Shore A]55 Shore A
Thread G1G1/2"-M
Number of folds4.5
SPB4 40 SI-55 G1/2-AG
Attribute Value
d2 23 mm
dn 15 mm
Dmax(S) 41.50 mm
Ds 40.50 mm
G1 G1/2"-M
H 73.10 mm
LG1 14 mm
SW1 27 mm
Z (Stroke) 27 mm
Attribute Value
Suction force (-600mbar) 25 N
Pull-off force 39 N
Volume 35.74 cm³
Hose diameter (empf.) d 12 mm
Number of folds 4.50
Suction cup material Silicone SI
Material hardness [Shore A] 55 Shore A
Weight 52 g
Product family SPB4


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Ordering information: SPB4 40 SI-55 G1/2-AG

Suction cup SPB4 (elastomer part + connection element) is delivered assembled. The assembly consists of:

  • Suction cup of type SPB4 – elastomer part, available in various diameters
  • Connection element of type SC – available with various threads


Available spare parts: suction cup SPB4, connection element (Schmalz-Connector)

Available accessories: filter screen (sieve, round), hose clamp, pad insert