Part no.:

Bellows suction cup (round) with optimal adaptation to uneven surfaces

Suction cup materialNitrile rubber NBR
Material hardness [Shore A]55 Shore A
Nipple materialAluminum
Number of folds1.5
Vacuum connectionM3-M
Attribute Value
d2 2.50 mm
Dmax(S) 5 mm
dn 1 mm
Ds 4 mm
G1 M3-M
H 7.50 mm
LG1 3 mm
SW1 5 mm
Z (Stroke) 1.50 mm

Note: Acceptable dimensional tolerances for elastomer parts concerning to DIN ISO 3302-1 M3
Attribute Value
Suction cup material Nitrile rubber NBR
Material hardness [Shore A] 55 Shore A
Size 4
Number of folds 1.50
Connection M3-AG
Curve radius (min) (convex) 1.50 mm
Volume 0.04 cm³
Suction force (-600mbar) 0.29 N
Pull-off force 0.50 N
Hose diameter (rec.) d 2.70 mm
Product family FSGA

Note: Suction force: The specified suction forces are theoretical values at a vacuum of -0.6 bar and with a dry, smooth and flat workpiece surface - they do not include a safety factor Pull-off force: The pull-off force of the versions made of natural rubber is reduced by about 40% Hose diameter: The recommended hose diameter refers to a hose length of approx. 2 m

Ordering information: FSGA 4 NBR-55 M3-AG

Suction cup FSGA (elastomer part + connection nipple) is delivered unassembled (diameters of 33 mm and more are assembled). The delivery consists of:

  • Suction cup of type FGA – elastomer part, available in various diameters and materials
  • Connection nipple of type SA-NIP – available with various threads

Available spare parts: suction cup FGA, connection nipple SA-NIP