Liquid Ring Vacuum Pumps

//Liquid Ring Vacuum Pumps
Liquid Ring Vacuum Pumps 2017-04-06T13:13:08+00:00


Liquid Ring Vacuum Pumps

Liquid ring vacuum pumps

Harold Engineering offers a full range of single and two stage liquid ring vacuum pumps. These pumps can be offered in a wide range of materials from cast iron, stainless steel and bronze in addition to many other to suit your application. We offer pumping speeds ranging from 3m3/hr up to 1600 m3/hr and an ultimate vacuum to 33 mbar (absolute) or 8 mbar (absolute) using a gas ejector at the pump inlet.

These pumps can be supplied in ATEX configuration for special applications as required.

We are suppliers of leading brands such as:

  • Speck vacuum
  • Busch
  • Sihi
  • Gardener Denver Nash
  • Dekker Vacuum

These pumps can be supplied with a full range of accessories such as in line filters, control valves and additional silencers.


  • Suitable for aggressive applications
  • Ability to handle small particles in process stream
  • Available in once through, partial recovery and total recovery configurations
  • Low noise levels
  • ATEX version available


Our pumps are suitable for a wide range of both vacuum and pressure applications. Some popular applications include:

  • Chemical & Pharmaceutical
  • Food processing
  • Mining
  • Oil and Gas
  • Plastic production
  • Energy and power

A full range of spare parts and accessories are available for these pumps as well as onsite service and pump overhauls in our state of the art service centre.