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. 703-6258
Mfr. Part No.1820415039
BrandAventics
HK$90.95
Each
units
BSG Bellows 20mm Acrylonitrile Butadiene Rubber 5.7N - - Male Thread 1/8 in -
RS Stock No. 725-333
Mfr. Part No.ZPR25CNK10-08-A10
BrandSMC
HK$530.10
Each
units
ZPR Flat with Rib 25mm NBR - Yes Lateral Male Thread M10 x 1 -
RS Stock No. 227-6782
Mfr. Part No.ZP08BS
BrandSMC
HK$65.00
Each
units
ZP Bellows 8mm Silicon Rubber - - - - - -
RS Stock No. 227-3929
Mfr. Part No.ZP16BS
BrandSMC
HK$88.00
Each
units
ZP Bellows 16mm Silicon Rubber - - - - - -
RS Stock No. 703-6249
Mfr. Part No.1820415037
BrandAventics
HK$97.71
Each
units
BSG Bellows 20mm Fluoromethyl Silicone 5.7N - - Male Thread 1/8 in -
RS Stock No. 827-6589
Mfr. Part No.ZP10US
BrandSMC
HK$33.44
Each
units
ZP Flat 10mm Silicon Rubber - - - - - -
RS Stock No. 701-3494
Mfr. Part No.ZPT20UN-B01
BrandSMC
HK$106.00
Each
units
ZPT Flat 20mm NBR - - Vertical Female Thread 1/8 in -
RS Stock No. 227-3957
Mfr. Part No.ZP32BS
BrandSMC
HK$107.00
Each
units
ZP Bellows 32mm Silicon Rubber - - - - - -
RS Stock No. 827-8728
Mfr. Part No.ZPT10BN-A5
BrandSMC
HK$129.40
Each
units
ZPT Bellows 10mm NBR - - Vertical Male Thread M5 x 0.8 -
RS Stock No. 743-8711
Mfr. Part No.ZP2-08KGP
BrandSMC
HK$72.10
Each
units
ZP2 Bellows 8mm Rubber - - - - - -
RS Stock No. 703-6245
Mfr. Part No.1820415035
BrandAventics
HK$156.86
1 Bag of 2
Bag(s)
BSG Bellows 15.6mm Acrylonitrile Butadiene Rubber 2.3N - - Male Thread 1/8 in -
RS Stock No. 827-6609
Mfr. Part No.ZP40US
BrandSMC
HK$55.35
Each
units
ZP Flat 40mm Silicon Rubber - - - - - -
RS Stock No. 227-3676
Mfr. Part No.ZPR06UN-04-B4
BrandSMC
HK$194.00
Each
units
ZPR Flat 6mm NBR - - Lateral Female Thread M4 x 0.7 -
RS Stock No. 827-6612
Mfr. Part No.ZP16BN
BrandSMC
HK$79.86
Each
units
ZP Bellows 16mm NBR - - - - - -
RS Stock No. 703-6233
Mfr. Part No.1820455018
BrandAventics
HK$264.61
Each
units
FSG Flat 80mm PUR 260N - - Male Thread 1/4 in -
RS Stock No. 725-349
Mfr. Part No.ZPR50CNK10-08-A14
BrandSMC
HK$608.95
Each
units
ZPR Flat with Rib 50mm NBR - Yes Lateral Male Thread M14 x 1 -
RS Stock No. 725-377
Mfr. Part No.ZPR25CN-08-B6
BrandSMC
HK$230.00
Each
units
ZPR Flat with Rib 25mm NBR - - Lateral Female Thread M6 x 1 -
RS Stock No. 827-6634
Mfr. Part No.ZP25CS
BrandSMC
HK$38.73
Each
units
ZP Flat with Rib 25mm Silicon Rubber - - - - - -
RS Stock No. 227-3979
Mfr. Part No.ZP50BS
BrandSMC
HK$140.00
Each
units
ZP Bellows 50mm Silicon Rubber - - - - - -
RS Stock No. 682-7034
Mfr. Part No.ZP16BU
BrandSMC
HK$96.00
Each
units
ZP Bellows 16mm Urethane Rubber - - - - - -
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