Vacuum Pumps

What is a vacuum pump?

A vacuum pump is a pump that removes molecules of air and gas from a sealed volume leaving behind a partial vacuum. Vacuum pumps are also able to move water or fluids from one area to another. Vacuum pumps can also be called suction pumps.

Types of vacuum pumps

Momentum transfer pump - This is where the air or gas is transferred from the inlet to the exhaust side of the pump. This is done by a mechanical rotating part that accelerates the gas molecules from the vacuum side to the exhaust side.

Entrapment pump - These pumps capture gases in a confined space. They are cooled and condensed and then removed in a solid state. An ion pump will use electrical fields to ionise the gases into a solid state

Positive displacement pump - This vacuum pump has an expanding cavity on the suction side of the pump and a decreasing cavity on the discharge side. The same volume is moved in each cycle so it delivers consistent capacities. These pumps are suited to applications that need moderate flow and moderate pressure like food manufacturing industries. Positive displacement pumps guarantee constant speed and flow.

Diaphragm pump - These work in a similar way to positive displacement pumps and are often used for fluid transfers. These pumps consist of two diaphragms that flex forwards and backwards which causes the volume in the pump chamber to increase and decrease. A valve then stops a reverse flow of the fluid. Diaphragm pumps are used in many industries for filling and dispensing as they are very accurate.

Vacuum pump applications:

Semiconductor processing
Air conditioning
Flight instruments
Composite moulding
Uranium enrichment
Print presses
Medical applications

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Description Price Manufacturer Series Nozzle Diameter Operating Pressure Maximum Vacuum Pressure Maximum Input Pressure Maximum Suction Flow Silencer Minimum Operating Temperature Maximum Operating Temperature Hazardous Area Certification Inlet Port Size Exhaust Port Size Outlet Port Size
RS Stock No. 289-5428
Mfr. Part No.M/58112/09
BrandNorgren
£24.57
Each
Units
M/58112 6mm 5bar -0.85bar 8bar 28L/min Yes -20°C +150°C - - - -
RS Stock No. 289-5434
Mfr. Part No.M/58102/10
£112.00
Each
Units
M/58102 >7mm 6bar -0.87bar 6bar 49L/min Yes -20°C +80°C - - - -
RS Stock No. 655-6880
Mfr. Part No.81545012
BrandCrouzet
£31.57
Each
Units
- 4mm 2 → 8bar - 8bar - - - - ATEX - - -
RS Stock No. 843-5233
Mfr. Part No.ZM132H
BrandSMC
£72.70
Each
Units
ZM 1.3mm 0.25 → 0.7MPa -84kPa 0.55MPa 66L/min - +5°C +60°C - - - -
RS Stock No. 841-5166
Mfr. Part No.S80-000-923
£111.72
Each
Units
S80 Series 19.1mm 3.5bar 847mbar - 3398L/min Yes -73°C +204°C - - - -
RS Stock No. 289-5440
Mfr. Part No.M/58102/20
BrandNorgren
£181.20
Each
Units
M/58102 >7mm 6bar -0.87bar 6bar 98L/min Yes -20°C +80°C - - - -
RS Stock No. 841-5179
Mfr. Part No.S80-000-925
£153.26
Each
Units
S80 Series 19.1mm 3.5bar 847mbar - 3398L/min Yes -73°C +204°C - - - -
RS Stock No. 841-5160
Mfr. Part No.S80-000-924
£137.94
Each
Units
S80 Series 19.1mm 3.5bar 847mbar - 3398L/min Yes -73°C +204°C - - - -
RS Stock No. 126-0251
Mfr. Part No.PA3120-F03
BrandSMC
£420.15
Each
Units
- - - - 1.05MPa 200L/min - 0°C +60°C - G 3/8 1/4in G 3/8
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