Pneumatic Suction Cups

Pneumatic suction cups are also known as vacuum cups, vacuum pads and suckers and they can be attached to various surfaces to provide a safe and secure way to move and hold products. Suction cups mould to the shape of the object they are handling without causing any damage. Suction cups are manufactured from a range of materials and perform well in many environments from light duty to heavy industrial.

A suction cup works by having less air pressure on one side of the cup than the other side of the suction cup. When pressure is put onto the suction cup it forces air out of the area, creating a vacuum. The vacuum created enables you to move and lift any product. Suction cups will not work when there is a low atmospheric pressure. Before use check that the suction cup surface is clean and free from dirt or grit to ensure a maximum grip.

Special grippers are sometimes used in tasks which suction cups cannot be used to handle delicate and brittle workpieces and are referred to as Bernoulli effect grippers.

How do pneumatic suction cups work?

When a suction cup contacts the surface of an object, it activates a vacuum generator (such as a blower, vacuum ejector or vacuum pump) that draws air from the space between the cup and the item. As soon as the atmospheric pressure is greater than the pressure between the object and the cup, atmospheric pressure presses the suction cup against the item, holding it firmly.

What is holding force?

Holding force is the amount of force required to move an object. This is measured in Newtons (N) and when looking for the right suction cup, ensure you choose one that will lift, move the weight and size of the object.

What are suction cups made of?

Suction cups are made from various materials like:

  • Silicone
  • Nitrile
  • Polyurethane (PUR)
  • Fluororubber
  • Silicone rubber

Suction Cup Types Available

  • Bellows - ideal for concave and convex shapes. Require minimum pressure. Work on slanted surfaces. Absorbs any alignment problems.
  • Deep - excellent with curved objects. Enhanced grip.
  • Flat - suitable for glass, metal sheets and cardboard.

Pneumatic suction cups are available in a range of shapes, sizes, diameters and designs and will handle most products. RS Components have a great range of pneumatic products including suction cups and grippers suitable for every industry and application.


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Description Price Manufacturer Series Pad Type Pad Diameter Pad Material Holding Force With Buffer Vacuum Entry Direction Connection Type Threaded Connection Size Tube Outside Diameter Material
RS Stock No. 227-3878
Mfr. Part No.ZP08US
BrandSMC
PHP194.70
Each
units
ZP Flat 8mm Silicon Rubber - - - - - - -
RS Stock No. 227-3698
Mfr. Part No.ZPX125HN-B01-B10
BrandSMC
PHP2,476.35
Each
units
ZPX Heavy Duty 125mm NBR - - Lateral Female Thread M10 - -
RS Stock No. 227-3733
Mfr. Part No.ZP02UN
BrandSMC
PHP251.23
Each
units
ZP Flat 2mm NBR - - - - - - -
RS Stock No. 227-3941
Mfr. Part No.ZP25BS
BrandSMC
PHP618.69
Each
units
ZP Bellows 25mm Silicon Rubber - - - - - - -
RS Stock No. 249-5848
Mfr. Part No.ZPT08UN-B5
BrandSMC
PHP436.91
Each
units
ZPT Flat 8mm NBR - - Vertical Female Thread M5 x 0.8 - -
RS Stock No. 725-333
Mfr. Part No.ZPR25CNK10-08-A10
BrandSMC
PHP3,929.79
Each
units
ZPR Flat with Rib 25mm NBR - Yes Lateral Male Thread M10 x 1 - -
RS Stock No. 827-8807
Mfr. Part No.ZP02UU
BrandSMC
PHP267.09
Each
units
ZP Flat 2mm Urethane Rubber - - - - - - -
RS Stock No. 725-311
Mfr. Part No.ZPR10CNK10-06-A10
BrandSMC
PHP3,850.86
Each
units
ZPR Flat with Rib 10mm NBR - Yes Lateral Male Thread M10 x 1 - -
RS Stock No. 227-3828
Mfr. Part No.ZP32CN
BrandSMC
PHP301.37
Each
units
ZP Flat with Rib 32mm NBR - - - - - - -
RS Stock No. 227-6782
Mfr. Part No.ZP08BS
BrandSMC
PHP448.87
Each
units
ZP Bellows 8mm Silicon Rubber - - - - - - -
RS Stock No. 768-1662
Mfr. Part No.ZPT16BS-B5
BrandSMC
PHP1,086.69
Each
units
ZPT Bellows 16mm Silicon Rubber - - Vertical Female Thread M5 x 0.8 - -
RS Stock No. 227-3705
Mfr. Part No.ZPR06UNK6-06-A8
BrandSMC
PHP3,167.59
Each
units
ZPR Flat 6mm NBR - Yes Lateral Male Thread M8 x 1 - -
RS Stock No. 725-406
Mfr. Part No.ZP16CN
BrandSMC
PHP293.43
Each
units
ZP Flat with Rib 16mm NBR - - - - - - -
RS Stock No. 227-3749
Mfr. Part No.ZP04UN
BrandSMC
PHP199.32
Each
units
ZP Flat 4mm NBR - - - - - - -
RS Stock No. 827-6602
Mfr. Part No.ZP50US
BrandSMC
PHP436.91
Each
units
ZP Flat 50mm Silicon Rubber - - - - - - -
RS Stock No. 725-412
Mfr. Part No.ZP25CN
BrandSMC
PHP279.05
Each
units
ZP Flat with Rib 25mm NBR - - - - - - -
RS Stock No. 843-5243
Mfr. Part No.ZPB2J30-B5
BrandSMC
PHP2,137.65
Each
units
ZP - - - - - - - - - -
RS Stock No. 227-3913
Mfr. Part No.ZP13BS
BrandSMC
PHP599.21
Each
units
ZP Bellows 13mm Silicon Rubber - - - - - - -
RS Stock No. 227-3676
Mfr. Part No.ZPR06UN-04-B4
BrandSMC
PHP1,526.69
Each
units
ZPR Flat 6mm NBR - - Lateral Female Thread M4 x 0.7 - -
RS Stock No. 827-8781
Mfr. Part No.ZP13BS-X19
BrandSMC
PHP581.22
Each
units
ZP Bellows 13mm Silicon Rubber - - - - - - -