Suction Cups

What is a Suction Cup?
Suction cups are also known as Vacuum cups, Vacuum pads, suckers, and Pneumatic suction cups plus they are often used as suction grippers. Suction cups attach to various surfaces from flat to uneven and provide a safe and secure way to move and hold products, automatically or manually. The 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.

How do Suction Cups work?
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. You ensure that the suction cup surface is clean and free from dirt or grit ensuring maximum grip.

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 for your use ensure you choose a suction cup that will lift, move the weight and size of the object.

What are Suction Cups made of?
Suction and vacuum cups are made from various material to suit any environment, from the home to industry.
• Rubber
• Silicone
• Nitrile
• Polyurethane
• Fluororubber
• Silicone rubber

Materials suction cups will handle
• Metal
• Glass
• Plastic
• Wood
• Paper
• Food
• Media
• Printing

Suction Cup Types Available

Bellows – excellent for concave and convex shapes. Require minimum pressure. Work on slanted surfaces. Absorbs any alignment problems.

Deep – Excellent with curved objects. Enhanced grip.

Flat - Excellent for glass, metal sheets and cardboard. Any flat or smooth surfaced material.

Suction cups are available in a range of shapes, sizes and design and will handle most products. There is a suction and vacuum cup 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
RS stock no. 725-412
Mfr. Part No.ZP25CN
BrandSMC
R 73.23
Each
units
ZP Flat with Rib 25mm NBR - - - - - -
RS stock no. 827-6628
Mfr. Part No.ZP32BN
BrandSMC
R 175.54
Each
units
ZP Bellows 32mm NBR - - - - - -
RS stock no. 227-3749
Mfr. Part No.ZP04UN
BrandSMC
R 47.50
Each
units
ZP Flat 4mm NBR - - - - - -
RS stock no. 827-6637
Mfr. Part No.ZP40BN
BrandSMC
R 226.45
Each
units
ZP Bellows 40mm NBR - - - - - -
RS stock no. 827-8734
Mfr. Part No.ZPT3-B5
BrandSMC
R 131.76
Each
units
ZPT - 20 → 32mm - - Yes Vertical Female Thread M5 x 0.8 -
RS stock no. 827-6606
Mfr. Part No.ZP06BN
BrandSMC
R 103.97
Each
units
ZP Bellows 6mm NBR - - - - - -
RS stock no. 827-8740
Mfr. Part No.ZPT10BSJ50-04-A10
BrandSMC
R 722.76
Each
units
ZPT Bellows 10mm Silicon Rubber - Yes Vertical Male Thread M10 x 1 -
RS stock no. 827-6696
Mfr. Part No.ZP10CS
BrandSMC
R 66.57
Each
units
ZP Flat with Rib 10mm Silicon Rubber - - - - - -
RS stock no. 827-6612
Mfr. Part No.ZP16BN
BrandSMC
R 142.06
Each
units
ZP Bellows 16mm NBR - - - - - -
RS stock no. 725-456
Mfr. Part No.ZP25DN
BrandSMC
R 148.74
Each
units
ZP Deep 25mm NBR - - - - - -
RS stock no. 725-327
Mfr. Part No.ZPR16CNK10-06-A10
BrandSMC
R 1,028.50
Each
units
ZPR Flat with Rib 16mm NBR - Yes Lateral Male Thread M10 x 1 -
RS stock no. 827-8822
Mfr. Part No.ZPT16BUJ50-B5-A10
BrandSMC
R 710.36
Each
units
ZPT Bellows 16mm Urethane Rubber - Yes Vertical Male Thread M10 x 1 -
RS stock no. 827-8706
Mfr. Part No.ZP40HBS
BrandSMC
R 311.22
Each
units
ZP Bellows 40mm Silicon Rubber - Yes Vertical - - -
RS stock no. 843-5211
Mfr. Part No.ZPB1J6-B5
BrandSMC
R 288.97
Each
units
ZP - - - - Yes - - M5 x 0.8 -
RS stock no. 742-6664
Mfr. Part No.ZP2-50UCL
BrandSMC
R 441.63
Each
units
ZP2 Flat 50mm Halogenated NBR - - - - - -
RS stock no. 827-8747
Mfr. Part No.ZPT80HN-B16
BrandSMC
R 321.81
Each
units
ZPT Heavy Duty 80mm - - - Vertical Female Thread M16 x 1.5 -
RS stock no. 703-6233
Mfr. Part No.1820455018
BrandAventics
R 477.53
Each
units
FSG Flat 80mm PUR 260N - - Male Thread 1/4 in -
RS stock no. 227-3963
Mfr. Part No.ZP40BS
BrandSMC
R 236.24
Each
units
ZP Bellows 40mm Silicon Rubber - - - - - -
RS stock no. 743-8711
Mfr. Part No.ZP2-08KGP
BrandSMC
R 167.80
Each
units
ZP2 Bellows 8mm Rubber - - - - - -
RS stock no. 827-6643
Mfr. Part No.ZPT25CSJ30-B5-A10
BrandSMC
R 518.09
Each
units
ZPT Flat with Rib 25mm Silicon Rubber - Yes Vertical Male Thread M10 x 1 -