SPB4f 50 SI-55 G1/2-AG

Part no.:

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
SPB4f 50 SI-55 G1/2-AG
Attribute Value
d2 21 mm
dn 15 mm
Dmax(S) 52 mm
Ds 49.70 mm
G1 G1/2"-M
H 72.50 mm
LG1 14 mm
SW1 27 mm
Z (Stroke) 26 mm
Attribute Value
Suction force at -200 mbar 13.70 N
Suction force at -400 mbar 27.30 N
Suction force (-600mbar) 41 N
Pull-off force 35 N
Volume 33.11 cm³
Hose diameter (rec.) d 12 mm
Number of folds 4.50
Suction cup material Silicone SI
Material hardness [Shore A] 55 Shore A
Weight 44.10 g
Product family SPB4f
The matching documentation for this product is available in this section.



The documentation is also fully available in English.



Ordering information: SPB4f 50 SI-55 G1/2-AG

Suction cup SPB4f (elastomer part + connection element) with integrated bag stabilizer is delivered assembled. The assembly consists of:

  • Suction cup of type SPB4f – elastomer part, available in various diameters
  • Connection element of type SC – available with various threads


Available spare parts: suction cup SPB4f, Schmalz-Connector

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