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Hydraulic Pumps for Water-Based, 
Fire-Resistant and Other Special Fluids
 

Dynex provides pumps for use with special fluids including a variety of water-based, fire resistant and others. The properties of these special fluids include a combination of high or low viscosity with either high or low lubricity.

Various pump models are available for use with water glycol, Viscor and other diesel calibration fluids, Skydrol and other phosphate ester fluids, machining coolant, brake fluid, and various military fluids.

Dynex high-pressure pumps are used in the production process for biodiesel fuel, including various transesterification refinery processes. These pumps can operate at pressures to 8000 psi (560 bar) with various vegetable oils.

Dynex hydraulic pumps operate within a wide range of recommended viscosities from 31.6 to 3,142 SUS (1,5 to 680 cSt).

Special fluid applications include:
  • Wellhead Safety Control Systems
  • Blowout Preventer (BOP) Systems
  • Diesel Calibration Testing
  • Biodiesel Fuel Production
  • Hydrostatic Roll Balance Systems
  • Lubrication Systems
  • Hydraulic Test-Stands
  • Ground Support Equipment
  • Industrial Coolant Supply Systems
  • Hydroform Presses

Learn more about Why Checkball Pumps Work Better with special fluids.
 

 
  

Pumps for water glycol, diesel calibration fluid and skydrol

Dynex pump models are available for use with water glycol, Skydrol and other phosphate ester fluids, Viscor and other diesel calibration fluids, and various military fluids.

 

 

Pumps designed for low lubricity and low viscosity fluids


Checkball pumps feature a single fluid design, with internal bearing lubrication provided by the pumped fluid. This design eliminates the potential for cross contamination, which may occur in other pump designs requiring a secondary fluid for lubrication.

Fluid Compatibility List 
  
Various pump models are compatible with a variety of special fluids. Because many conditions affect successful operation, contact the This email address is being protected from spambots. You need JavaScript enabled to view it. for a review of your application using any of these special fluids.

This is a partial list which is updated regularly. Not all compatible fluids are shown here.
 

Water Glycol
  ACT FR WG 200-D
  Castrol Transaqua HT
  Citgo Glycol FR-40 XD
  Citgo Glycol FR-5046 HP
  Houghto-safe 419
  Houghto-safe 620
  Houghton Aqualink 300
  Houghton Aqualink HT-804
  Oceanic HW443
  Oceanic HW525
  Oceanic HW540
  Oceanic HW625
  Oceanic HW640
  Oceanic HW740
  Ucon Hydrolube HP-5046
Other Water-Based Fluids
  95-5 Fluid
Diesel Calibration Fluids
  Viscor
Biodiesel Fuel Production
  Vegetable Oils
Phosphate Ester
  Brake Fluids
  Skydrol Fluids
Military Fluids
  MIL-C-7024C Type II (Stoddard solvent)
  MIL-H-46170
  MIL-H-5606
  MIL-H-6083
  MIL-H-83282
Other Synthetic Fluids
  Isopar Solvents
  Quintolubric 822 (Polyol ester)
Machining Coolant
  Milicron Cimtech 310
  Castrol Ilocut 334