Hydra-Cell High Pressure Coolant Pumps

Model D10 Hydra-Cell PumpModel D10 Hydra-Cell Pump Cutaway Model 


The use of high-pressure coolant for machine tool operations has increased significantly in recent years because of the added benefits it provides in the removal of abrasive chips and lubrication in machine tool operation as well as the cleaning/cooling of grinding wheels.  The sealless design of the Hydra-Cell high pressure coolant pump is the "heart" of a modern high pressure coolant pump system due to its inherently reliable design.

Hydra-Cell high pressure coolant pumps have benefited a range of cnc machining applications including boring, deep-hole drilling, EDM machining, grinding, milling, multi-function machining, stand-alone systems, and chip removal. Our high pressure coolant pumps feature a sealless design and will provide output pressures from 30 to 2500 PSI. Screw, centrifugal, gear and multi-piston pumps are all sensitive to reclaimed fluids and thus prone to leaking - there are no other high pressure coolant pumps having the rugged construction, versatility and performance of sealless Hydra-Cell high pressure coolant pumps!

Run Dry Capable

While you would never want to operate your tool "dry", if your filtration system becomes clogged or for some reason coolant isn't available, Hydra-Cell high pressure coolant pumps will not become damaged.  Conventional pumps often require level or flow sensors to help avoid running dry because they are dependent upon the fluid pumped for seal lubrication.  Therefore incorporating Hydra-Cell high pressure coolant pumps into your system simplifies the overall design.   Likewise intermittent cavitation, perhaps from coolant foaming or a clogged filter, will not damage a Hydra-Cell pump.  Our high pressure coolant pumps also self-prime, eliminating costly errors by operators and maintenance personnel.

Controlled Delivery at High Pressure = Predictable, Optimal Results
Since flow rate is dependent upon the pump speed and not the discharge pressure, Hydra-Cell high pressure coolant pumps deliver precise, accurate flow across a range of tooling flow rate requirements. Whether pumping thin water-based emulsions or thick cutting-oil coolants, Hydra-Cell high pressure coolant pumps deliver the flow rate with no dynamic seals to "leak pressure". Consistent high pressure with controlled flow makes it easier for the pump to remove tool blockages in support of predictable tool life and work-piece quality.

Minimal Filtration to Protect the Pump
Hydra-Cell high pressure coolant pumps have no mechanical seals or tight tolerances that need protection by fine filtration. Hydra-Cell's can handle particles up to 800 microns in size (depending on model) and tolerate fines up to 9 hardness on the Mohs scale. This eliminates the expense of 10-micron filters needed for  gear and screw style pumps.  Many modern coolants have additives >25 microns in size meant to improve their performance, thus over-filtration to protect your pump system may reduce the performance of your coolant.  Hydra-Cell high pressure coolant pumps let you size filtration based upon other system components such as rotary unions or tooling and the coarser filtration requirements often result in reduced filter media costs because the media is less expensive and requires less frequent changes.

Low Power Consumption - 85% to 90% Energy Efficiency
With no "leaking" dynamic seals, energy efficiency is independent of coolant technology in the Hydra-Cell pump. Positive displacement pumping action with our sealless design minimize energy losses even when pumping water-based emulsion coolants. In addition, the lower horsepower requirement of Hydra-Cell high pressure coolant pumps achieve the same performance but with greater energy efficiency and less power consumption.

See a video highlighting the surprising capabilities of the Hydra-Cell Pump!


Hydra-Cell High Pressure Coolant Pump Advantages

• Accurate flow control maintains a constant rate of pressure for better performance

• Operational efficiencies reduce energy costs

• Sealless design can tolerate solids up to 800 microns in size depending on the pump model

• Handles abrasive fines and metal particles enabling operation without fine filtration

• Any type of coolant can be processed with no loss of efficiency

• Can run dry without damage (or additional maintenance) in case of accident or operator error

• Tolerates non-ideal operation conditions

• Minimizes maintenance and downtime because there are no seals, packing, or cups to replace


Typical Liquids Pumped

Challenges in Pumping

The Hydra-Cell Advantage

Cutting Oils
(Hydrocarbon or Synthetic)
Contains metal fines that damage other pumps unless used with an expensive fine filtration system. Seal-less design handles abrasive fine solids up to 800 microns in size.
Water-Based Coolants Water-thin liquids cause premature wear of dynamic seals immersed in the coolant.  Easily aerated, causing localized dry running conditions. No seals to leak, wear, or replace. Can run dry without damage to the pump.
Synthetic & Semi-Synthetic Water-Mix Fluids (Clear or Translucent) May have poor lubricating properties causing premature wear of dynamic seals immersed in the coolant. Pumping action does not require lubrication.
EDM Fluids, De-ionized Water & Paraffinic Hydrocarbon Oils Chemically aggressive and non-lubricating fluids that can cause leakage and wear problems for pumps with dynamic seals. Seal-less design and material options enable handling of aggressive fluids without seals that leak or wear.