Vacuum Units (Liquid Ring Type)

Our liquid ring vacuum units are ideal for all types of cleaning and fluid transfer purposes. All units can be built to each customer´s specifications.

The unit is extremely user-friendly and exceeds all relevant specifications. All equipment is built in to one container – one lift to the rig. The unit is fully automatic; it will vacuum the waste material and evacuate the drop tank at the same time – continuous operation means cost effective.

Included in standard package

  • Certification
  • Operation and maintenance manual
  • 4” x 20 m suction hose
  • 2” x 20 m suction hose
  • 4” x 10 m discharge hose
  • Suction head

Technical specifications

The system is Ex zone certified including ATEX and designed for multi-power operation, 400-690vac / 50-60Hz. The equipment consisting of a liquid ring pump mounted at a solid foundation with connection, motor and process tank. Hose pump for emptying of tank, internal piping and connection station, built in a container to DNV 2.7.1. with its own certified lifting equipment.

The general working principle

The liquid ring vacuum pump creates vacuum in the tank. The tank is connected to a vacuum pipe, or hoses, for manual or automatic cleaning and fluid transfer of mud and other waste materials. The product collected is pneumatically transported to the internal tank. The hose pump will automatically empty (discharge) from the internal tank thus enabling a continuous operation. The unit can be operated in both automatic and manually modes for reduced manpower requirements.


Ex zone 1 • ATEX • ASME • DNV 2.7.1 • Z015

Standard equipment

  • 12.000 ltr/min compressor with complete cooling system
  • Painted in accordance with NORSOK
  • Produced for Zone 1
  • DNV 2.7.1 approved container with its own certified lifting equipment
  • 4” x 20 m suction hose
  • 2” x 20 m suction hose
  • 4” x 10 m discharge hose
  • Suction head


  • Weight: 3400 kg
  • Length: 12 ft – 3680 mm
  • Width: 2438 mm
  • Height: 2735 mm
  • Certification
  • Ex zone 1
  • ATEX
  • ASME
  • DNV 2.7.1
  • Z015
Product photos

Vacuum Units (Liquid Ring Type) key features ...

Different solutions for drill cuttings transport, pit tank cleaning, and general rig cleaning.
It can convey cuttings at rates of up to 30 tonnes per hour.

Get in touch

Do you want to know more about the possibilities? Or do you want a quick quote? Call (+47) 51 71 53 80 or send an email to

Related products
Vacuum unit, small liquid ring type. for low energy usage and very effective in operation. Small footpring for ease of placement. weigth 2400 kg Used on various type cleaning operations such as waste water, oily sludges, slop water, mud types, drain cleaning and more.
In extension of our well recommended vacuum fleet, our newest design has more than four times the volume of suction, per pump, which gives the power needed to transport heavy waste over long distances.
This containerized skid is designed and built to operate in high risk locations, in particularly Potentially Explosive Atmospheres Category 2G and is entitled to hold the ATEX Mark.
The Solidsvac SV70-SPDK is designed to reliably handle any flowable sludge and slurry and is ideally suited where submersible, centrifugal and diaphragm pumps are not a viable option.