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

Size63
Suction cup materialNatural Rubber NK
Material hardness [Shore A]45 Shore A
Nipple materialAluminum
ConnectionG1/4"-F
Number of folds1.5
Vacuum connectionG1/4"-F
FSGA 63 NK-45 G1/4-IG
Attribute Value
d2 44.50 mm
Dmax(S) 68 mm
dn 4.40 mm
Ds 60 mm
G1 G1/4"-F
H 49 mm
LG1 12 mm
SW1 17 mm
Z (Stroke) 15 mm


Note: Acceptable dimensional tolerances for elastomer parts concerning to DIN ISO 3302-1 M3
Attribute Value
Suction cup material Natural Rubber NK
Material hardness [Shore A] 45 Shore A
Size 63
Number of folds 1.50
Connection G1/4-IG
Curve radius (min) (convex) 100 mm
Volume 43.83 cm³
Suction force (-600mbar) 85 N
Pull-off force 135 N
Hose diameter (empf.) d 6 mm
Weight 34 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 63 NK-45 G1/4-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