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Vacuum Generators

A vacuum generator, sometimes called a suction pump or ejector, is a pump that removes air and gas molecules from a sealed space, creating a partial vacuum, and can also transfer fluids between locations. Learn more in our comprehensive guide to vacuum pumps.

Vacuum pump devices are suitable for various processes requiring vacuums, such as engineering or manufacturing tasks, or for moving liquids similarly to conventional pumps. Some vacuum generators come with built-in exhaust silencers to minimize noise.

Types of Vacuum Generators

Vacuum can be created either pneumatically (ejectors) or electrically (pumps). Pneumatic vacuum generators offer short cycle times and are compact and lightweight for easy system integration. Ejectors provide energy-saving and process control features. Electrical vacuum generators are preferred when compressed air isn’t available or very high suction capacities are needed.

Momentum Transfer Pump – transfers air or gas from the inlet to the exhaust side of the pump.

Entrapment Pump – traps gases in a confined area, cooling and condensing them before removing them in solid form.

Positive Displacement Pump – features an expanding cavity on the suction side and a contracting cavity on the discharge side, moving a consistent volume each cycle. These are ideal for moderate flow and pressure applications, such as food manufacturing.

Diaphragm Pump – operates similarly to positive displacement pumps and is often used for precise fluid transfer tasks like filling and dispensing.

How to Choose a Vacuum Generator

Consider these factors before selecting a vacuum generator:

  • Type of application and workpiece (porous or airtight)
  • Energy efficiency—consider electricity and compressed air usage
  • Size and weight limitations
  • Cycle time requirements—ejectors offer short cycles
  • Performance needs

Applications:

  • Semiconductor processing
  • Air conditioning systems
  • Flight instrumentation
  • Composite moulding
  • Uranium enrichment
  • Printing presses
  • Medical equipment
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Picture of Vacuum Generator, 1mm nozzle , -90kPa 26L/min, ZH series, SMC, ZH10DSA-01-01-01

Vacuum Generator, 1mm nozzle , -90kPa 26L/min, ZH series, SMC, ZH10DSA-01-01-01

ZH10DSA-01-01-01
Lightweight, point-of-use ZH and ZU series vacuum generators combine design simplicity with high performance. Simply plug an air supply tube in one end, and vacuum is ready at the other end. The slim ZU generators are extra compact. The ZH and ZU immediate response may be quicker than central vacuum systems. Also, these generators are often smaller and lighter than the bulky vacuum lines used in central vacuum systems. A built-in exhaust silencer keeps generator noise to a minimum. Available in four nozzle diameters and a number of port sizes. Nozzle diameter: ø0.5, ø0.7, ø1.0, ø1.3, ø1.5, ø1.8, ø2.0. Compact and Lightweight. Box style(built-in silencer) and body ported style. One-touch and screw-in connections can be combined. Body can be mounted and secured.
$77.43
Picture of Vacuum Generator, 1mm nozzle , -90kPa 26L/min, ZH series, SMC, ZH10DSA-06-01-08

Vacuum Generator, 1mm nozzle , -90kPa 26L/min, ZH series, SMC, ZH10DSA-06-01-08

ZH10DSA-06-01-08
Lightweight, point-of-use ZH and ZU series vacuum generators combine design simplicity with high performance. Simply plug an air supply tube in one end, and vacuum is ready at the other end. The slim ZU generators are extra compact. The ZH and ZU immediate response may be quicker than central vacuum systems. Also, these generators are often smaller and lighter than the bulky vacuum lines used in central vacuum systems. A built-in exhaust silencer keeps generator noise to a minimum. Available in four nozzle diameters and a number of port sizes. Nozzle diameter: ø0.5, ø0.7, ø1.0, ø1.3, ø1.5, ø1.8, ø2.0. Compact and Lightweight. Box style(built-in silencer) and body ported style. One-touch and screw-in connections can be combined. Body can be mounted and secured.
$70.20
Picture of Vacuum Generator, 1mm nozzle , -90kPa 26L/min, ZH series, SMC, ZH10DSA-06-06-08

Vacuum Generator, 1mm nozzle , -90kPa 26L/min, ZH series, SMC, ZH10DSA-06-06-08

ZH10DSA-06-06-08
Lightweight, point-of-use ZH and ZU series vacuum generators combine design simplicity with high performance. Simply plug an air supply tube in one end, and vacuum is ready at the other end. The slim ZU generators are extra compact. The ZH and ZU immediate response may be quicker than central vacuum systems. Also, these generators are often smaller and lighter than the bulky vacuum lines used in central vacuum systems. A built-in exhaust silencer keeps generator noise to a minimum. Available in four nozzle diameters and a number of port sizes. Nozzle diameter: ø0.5, ø0.7, ø1.0, ø1.3, ø1.5, ø1.8, ø2.0. Compact and Lightweight. Box style(built-in silencer) and body ported style. One-touch and screw-in connections can be combined. Body can be mounted and secured.
$66.50
Picture of Vacuum Generator, 1mm nozzle , -91kPa 44L/min, SMC, ZK2A10K5TL-08

Vacuum Generator, 1mm nozzle , -91kPa 44L/min, SMC, ZK2A10K5TL-08

ZK2A10K5TL-08
ZK2 Series Vacuum Ejector with Valve The ZK2 series vacuum unit from SMC has been developed for a market with an increasing demand for high performance and energy efficient vacuum technology. The one piece design combines a pressure switch, control valves and vacuum ejector into one unit saving on weight and size and a two stage vacuum ejector to increase suction and reduce air consumption. The ZK2 also features a 2-port dual release and supply valve to prevent work pieces from being dropped. Features and Benefits • Easy to install • Simple to maintain • Reduced running costs • Highly flexible configuration • Excellent efficiency • Integrated pressure switch • Integrated supply and release valve • Normally closed supply and release valves Pressure Sensor / Switch Options The ZK2 is fitted a choice of 4 pressure sensor / pressure switch options, • -101 to 0 kPa Pressure sensor with a single 1 to 5 V output. • -100 to 100 kPa Pressure sensor with a single 1 to 5 V output. • -101 to 0 kPa Digital pressure switch with 2 NPN outputs and selectable units. • -100 to 100 kPa Digital pressure switch with a built-in energy saving function, 1 PNP output and selectable units. Applications
$680.27
Picture of Vacuum Generator, 2mm nozzle , -66kPa 155L/min, ZH series, SMC, ZH20DLA-03-04-04

Vacuum Generator, 2mm nozzle , -66kPa 155L/min, ZH series, SMC, ZH20DLA-03-04-04

ZH20DLA-03-04-04
Lightweight, point-of-use ZH and ZU series vacuum generators combine design simplicity with high performance. Simply plug an air supply tube in one end, and vacuum is ready at the other end. The slim ZU generators are extra compact. The ZH and ZU immediate response may be quicker than central vacuum systems. Also, these generators are often smaller and lighter than the bulky vacuum lines used in central vacuum systems. A built-in exhaust silencer keeps generator noise to a minimum. Available in four nozzle diameters and a number of port sizes. Nozzle diameter: ø0.5, ø0.7, ø1.0, ø1.3, ø1.5, ø1.8, ø2.0. Compact and Lightweight. Box style(built-in silencer) and body ported style. One-touch and screw-in connections can be combined. Body can be mounted and secured.
$224.61
Picture of Vacuum Generator, 2mm nozzle , -90kPa 155L/min, ZH series, SMC, ZH20DSA-10-12-12S

Vacuum Generator, 2mm nozzle , -90kPa 155L/min, ZH series, SMC, ZH20DSA-10-12-12S

ZH20DSA-10-12-12S
Lightweight, point-of-use ZH and ZU series vacuum generators combine design simplicity with high performance. Simply plug an air supply tube in one end, and vacuum is ready at the other end. The slim ZU generators are extra compact. The ZH and ZU immediate response may be quicker than central vacuum systems. Also, these generators are often smaller and lighter than the bulky vacuum lines used in central vacuum systems. A built-in exhaust silencer keeps generator noise to a minimum. Available in four nozzle diameters and a number of port sizes. Nozzle diameter: ø0.5, ø0.7, ø1.0, ø1.3, ø1.5, ø1.8, ø2.0. Compact and Lightweight. Box style(built-in silencer) and body ported style. One-touch and screw-in connections can be combined. Body can be mounted and secured.
$211.08
Picture of Vacuum Generator, 2mm nozzle , -90kPa 90L/min, ZH series, SMC, ZH20DSA-03-04-04

Vacuum Generator, 2mm nozzle , -90kPa 90L/min, ZH series, SMC, ZH20DSA-03-04-04

ZH20DSA-03-04-04
Lightweight, point-of-use ZH and ZU series vacuum generators combine design simplicity with high performance. Simply plug an air supply tube in one end, and vacuum is ready at the other end. The slim ZU generators are extra compact. The ZH and ZU immediate response may be quicker than central vacuum systems. Also, these generators are often smaller and lighter than the bulky vacuum lines used in central vacuum systems. A built-in exhaust silencer keeps generator noise to a minimum. Available in four nozzle diameters and a number of port sizes. Nozzle diameter: ø0.5, ø0.7, ø1.0, ø1.3, ø1.5, ø1.8, ø2.0. Compact and Lightweight. Box style(built-in silencer) and body ported style. One-touch and screw-in connections can be combined. Body can be mounted and secured.
$146.23