Why use a progressive cavity pump?

Their pressure capabilities and viscosity handling is unrivalled, which means that whilst they are quite expensive in design and large in footprint, they are often selected for applications when all other pumping technologies will fail.

What are progressing cavity pumps used for?

The design is best suited to highly viscous and lubricating fluids including oils, sludges, waste matter, biomass, pastes and grape pressing that may contain very large solids, as well as pumping viscous products over long distances.

Are progressive cavity pumps self priming?

Yes! A progressive cavity pump's tight tolerances mean it has excellent suction capabilities.

Can progressing cavity pumps handle solids in my fluid?

Yes! However, it should be noted that abrasive fluids e.g. low viscosity/water based fluids containing solids may cause shorter stator wear. Therefore whilst large solids and high solid content can be handled, this is usually reserved for viscous, lubricating fluids.

Can these pumps be supplied with hopper?

Our progressing cavity pumps can be supplied with auger feed allowing non-flowing mediums such as dry sludge and waste matter to be pumped without clogging. We can also provide liquid injection ports which are popular when liquid waste is added to dry content waste to allow it to flow.

Can progressive cavity pumps run dry?

No! Even short period of dry running can result in damage to the rotor and stator, making dry run protection a must if there is risk of this.

Need help choosing the right pump or technical advice? Call the team on 01773 533 283.

Nova Rotors DV Vertical Progressive Cavity Pump

Chemical Pump & Sludge Pump

Key Specifications
Max Flow Rate	11333lpm
Max Head	480M
Max Temperature	150°C
Max Viscosity	1,000,000 cP
Solids	30mm
Sizes	3/4" to 24"

Datasheet

Enquire now about this product

The DV series is a vertical version of the newest range of progressive cavity pumps from Nova Rotors; the Diamond series. The V series mono pump is designed for situations where viscous and dense fluids containing solids in suspension are required to be pumped from deep tanks, cisterns, barrels or pits. This helical rotor pump is available in a wide range of materials and is also available with fixing brackets for a permanent pit installation. Suitable for a wide range of applications, this progressing cavity pump is commonly used for oily sludge transfer, bilge water transfer, sewage transfer, fuel transfer, alcohol transfer and bio-waste.

Read our progressive cavity pump guide for more information on the operation of this pump and when it is commonly used.

Brackets for vertical installation
One stage stator with long pitch geometry to improve performance
The stator is sealed at both ends, no o-ring is required
Newly designed rubber sleeve to compensate for any sharp solids in the fluid
Various sealing options including; single mechanical seal, packing seal, double mechanical seal and cartridge
Integrated bearing lubrication system
Reversible flow up to 3 bar as standard: Up to 12 bar with hydraulic balance.
Capable of pumping fluids containing solids in suspension.
Capable of handling viscous fluids up to 1,000,000cp
230v, three phase 50hz / 60hz motors available.
Marine certification available
ATEX, API, food grade EHEDG certify. 2013 certifications available

The Nova Rotors V (Vertical) series progressive cavity mono pumps are available with the following material options:

Nova DHB-JHB1.jpg

How the Nova Rotor DHS Progressive Cavity Pumps Work – Animation

FAQs

It consists of a spiralled helical rotor (like a cork screw) that sits tightly inside a rubber stator/sleeve. As the rotor turns inside the stator, it forms a set of fixed-shaped cavities that progress along the length of the stator and force the fluid inside to move along with them as they turn.