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

Size25
Suction cup materialSilicone SI-HD
Material hardness [Shore A]65 Shore A
Material characteristicsFDA-compatible
Nipple materialAluminum
ConnectionG1/8"-F
Number of folds1.5
Vacuum connectionG1/8"-F
FSGA 25 SI-HD-65 G1/8-IG
Attribute Value
d2 9.90 mm
Dmax(S) 26.50 mm
dn 3.50 mm
Ds 22.50 mm
G1 G1/8"-F
H 35 mm
LG1 8 mm
SW1 14 mm
Z (Stroke) 9 mm


Note: Acceptable dimensional tolerances for elastomer parts concerning to DIN ISO 3302-1 M3
Attribute Value
Suction cup material Silicone SI-HD
Material hardness [Shore A] 65 Shore A
Size 25
Number of folds 1.50
Connection G1/8-IG
Curve radius (min) (convex) 20 mm
Volume 3.15 cm³
Suction force (-600mbar) 5.30 N
Pull-off force 17.30 N
Hose diameter (empf.) d 4 mm
Weight 6.80 g
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 25 SI-HD-65 G1/8-IG

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