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 CAD Drawing
RS Stock No. 827-8725
Mfr. Part No.ZPT50HN-B10
BrandSMC
TWD486
Each
units
ZPT Heavy Duty 50mm NBR - - Vertical Female Thread M10 x 1.5 - -
RS Stock No. 827-6612
Mfr. Part No.ZP16BN
BrandSMC
TWD348
Each
units
ZP Bellows 16mm NBR - - - - - - -
RS Stock No. 227-3957
Mfr. Part No.ZP32BS
BrandSMC
TWD450
Each
units
ZP Bellows 32mm Silicon Rubber - - - - - - 3D CAD Model
RS Stock No. 725-406
Mfr. Part No.ZP16CN
BrandSMC
TWD182
Each
units
ZP Flat with Rib 16mm NBR - - - - - - 3D CAD Model
RS Stock No. 725-311
Mfr. Part No.ZPR10CNK10-06-A10
BrandSMC
TWD2,490
Each
units
ZPR Flat with Rib 10mm NBR - Yes Lateral Male Thread M10 x 1 - 3D CAD Model
RS Stock No. 742-6664
Mfr. Part No.ZP2-50UCL
BrandSMC
TWD920
Each
units
ZP2 Flat 50mm Halogenated NBR - - - - - - -
RS Stock No. 227-3856
Mfr. Part No.ZP04US
BrandSMC
TWD140
Each
units
ZP Flat 4mm Silicon Rubber - - - - - - 3D CAD Model
RS Stock No. 827-8740
Mfr. Part No.ZPT10BSJ50-04-A10
BrandSMC
TWD1,423
Each
units
ZPT Bellows 10mm Silicon Rubber - Yes Vertical Male Thread M10 x 1 - -
RS Stock No. 703-6233
Mfr. Part No.1820455018
BrandAventics
TWD1,121
Each
units
FSG Flat 80mm PUR 260N - - Male Thread 1/4 in - -
RS Stock No. 227-3935
Mfr. Part No.ZP20BS
BrandSMC
TWD401
Each
units
ZP Bellows 20mm Silicon Rubber - - - - - - 3D CAD Model
RS Stock No. 827-6640
Mfr. Part No.ZPT10UU-A5
BrandSMC
TWD391
Each
units
ZPT Flat 10mm Urethane Rubber - - Vertical Male Thread M5 x 0.8 - -
RS Stock No. 725-412
Mfr. Part No.ZP25CN
BrandSMC
TWD182
Each
units
ZP Flat with Rib 25mm NBR - - - - - - 3D CAD Model
RS Stock No. 725-327
Mfr. Part No.ZPR16CNK10-06-A10
BrandSMC
TWD2,413
Each
units
ZPR Flat with Rib 16mm NBR - Yes Lateral Male Thread M10 x 1 - 3D CAD Model
RS Stock No. 703-6236
Mfr. Part No.7321000000
BrandAventics
TWD1,847
Each
units
FSR Flat 100mm Chloroprene Rubber 304N - - Female Thread 3/8 in - -
RS Stock No. 827-6602
Mfr. Part No.ZP50US
BrandSMC
TWD213
Each
units
ZP Flat 50mm Silicon Rubber - - - - - - -
RS Stock No. 725-361
Mfr. Part No.ZPR16CN-06-B5
BrandSMC
TWD1,050
Each
units
ZPR Flat with Rib 16mm NBR - - Lateral Female Thread M5 x 0.8 - 3D CAD Model
RS Stock No. 742-6667
Mfr. Part No.ZP2-16UCL
BrandSMC
TWD730
Each
units
ZP2 Flat 16mm Halogenated NBR - - - - - - -
RS Stock No. 827-8728
Mfr. Part No.ZPT10BN-A5
BrandSMC
TWD496
Each
units
ZPT Bellows 10mm NBR - - Vertical Male Thread M5 x 0.8 - -
RS Stock No. 843-5215
Mfr. Part No.ZPB2J10-B5
BrandSMC
TWD593
Each
units
ZP - 10mm - - Yes - - M5 x 0.8 - -
RS Stock No. 227-3941
Mfr. Part No.ZP25BS
BrandSMC
TWD401
Each
units
ZP Bellows 25mm Silicon Rubber - - - - - - 3D CAD Model