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
New
RS Stock No. 203-8314
Mfr. Part No.ESH-HCL-4-PK
BrandFesto
$84.96
Each
units
ESH - - NBR - - - - - -
New
RS Stock No. 203-8443
Mfr. Part No.ESS-20-EF
BrandFesto
$44.73
Each
units
ESS - 20mm - 17N - - - - -
New
RS Stock No. 203-8305
Mfr. Part No.ESS-8-SNA
BrandFesto
$14.03
Each
units
ESS Flat 8mm - 2.3N - - - - -
New
RS Stock No. 203-8449
Mfr. Part No.ESS-50-CS
BrandFesto
$56.09
Each
units
ESS Bellows 50mm Silicon 63.4N - - - - -
New
RS Stock No. 203-8425
Mfr. Part No.ESH-HCL-3-PK
BrandFesto
$82.56
Each
units
ESH - - NBR - - - - - -
RS Stock No. 725-311
Mfr. Part No.ZPR10CNK10-06-A10
BrandSMC
$106.04
Each
units
ZPR Flat with Rib 10mm NBR - Yes Lateral Male Thread M10 x 1 -
New
RS Stock No. 203-8253
Mfr. Part No.ESS-10-SF
BrandFesto
$38.38
Each
units
ESS Flat 10mm - 3.9N - - - - -
New
RS Stock No. 203-8371
Mfr. Part No.ESS-20-SU
BrandFesto
$17.46
Each
units
ESS Flat 20mm PUR 16.3N - - - - -
New
RS Stock No. 203-8353
Mfr. Part No.ESS-100-SU
BrandFesto
$108.72
Each
units
ESS - 100mm PUR 503.6N - - - - -
New
RS Stock No. 203-8403
Mfr. Part No.ESV-30-CN
BrandFesto
$31.78
Each
units
ESV Bellows 30mm NBR 20.8N - - - - -
New
RS Stock No. 203-8111
Mfr. Part No.ESV-40-BS
BrandFesto
$21.03
Each
units
ESV Bellows 40mm - 52.3N - - - - -
New
RS Stock No. 203-9618
Mfr. Part No.LJK-1/8-I/I
BrandFesto
$34.53
Each
units
LJK-1/8-I/I - - - - - - - - -
New
RS Stock No. 203-8362
Mfr. Part No.ESS-30-EF
BrandFesto
$44.73
Each
units
ESS - 30mm - 37.2N - - - - -
New
RS Stock No. 203-8255
Mfr. Part No.ESS-10-SNA
BrandFesto
$19.05
Each
units
ESS Flat 10mm - 3.9N - - - - -
New
RS Stock No. 203-8280
Mfr. Part No.ESS-15-EU
BrandFesto
$19.58
Each
units
ESS - 15mm PUR 9.8N - - - - -
New
RS Stock No. 203-8338
Mfr. Part No.ESS-40-SS
BrandFesto
$23.04
Each
units
ESS Flat 40mm Silicon 69.6N - - - - -
New
RS Stock No. 202-2859
Mfr. Part No.VAS-125-3/8-SI-B
BrandFesto
$116.11
Each
units
VAS - 125mm - 700N - - - - -
New
RS Stock No. 203-8269
Mfr. Part No.ESH-HDL-3-QS
BrandFesto
$90.75
Each
units
ESH - - NBR - - - - - -
New
RS Stock No. 203-9630
Mfr. Part No.OASI-20
BrandFesto
$13.263
Each (In a Pack of 10)
units
OASI-20 Flat - - - - - - - -
RS Stock No. 682-7034
Mfr. Part No.ZP16BU
BrandSMC
$18.41
Each
units
ZP Bellows 16mm Urethane Rubber - - - - - -
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