Flat suction cup (round) for smooth or slightly rough surfaces

Size3.5
Suction cup materialNitrile rubber NBR
Material hardness [Shore A]55 Shore A
Nipple materialAluminum
Vacuum connectionM3-M
PFYN 3.5 NBR-55 M3-AG
Attribute Value
dn 1 mm
Dmax(S) 4 mm
Ds 3.50 mm
G1 M3-M
H 6 mm
LG1 3 mm
SW1 5 mm
Z (Stroke) 0.50 mm


Note: Acceptable dimensional tolerances for elastomer parts concerning to DIN ISO 3302-1 M3
Attribute Value
Suction force (-600mbar) 0.42 N
Volume 0.00 cm³
Curve radius (min) (convex) 7.50 mm
Hose diameter (empf.) d 2 mm
Size 3.50
Suction cup material Nitrile rubber NBR
Material hardness [Shore A] 55 Shore A
Weight 1 g
Product family PFYN


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 Hose diameter: The recommended hose diameter refers to a hose length of approx. 2 m

Ordering information: PFYN 3.5 NBR-55 M3-AG

Suction cup PFYN (elastomer part + connection nipple) is delivered unassembled (diameters of 120 mm and more are assembled).
The delivery consists of:

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

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