Hydrex Double Helical, Rotary Gear Pump
The Flowserve Hydrex herringbone gear, rotary pump is a simplified but extremely reliable design for a wide variety of pumping applications. The high pressure angle and long involute profile of the precision made herringbone gear rotors eliminate root trapping, ensure smooth power transmission, and deliver quiet, efficient operation.
- Applications:
Chemical Processing, General Purpose, Greases and Fats, High Viscosity Polymers, Marine, Pulp and Paper, Petroleum Production and Refining, Syrups, Utility
Double Helical Herringbone Gears provide quiet, pulse-free flow with better load carrying ability, greater strength and minimum hydraulic shock.
Between Bearing Design virtually eliminates shaft deflection, even while accommodating heavy, highly viscous loads.
Heavy-Duty Caged Roller Bearings result in long life. Hydrex pumps use the heaviest duty commercially available bearings.
Features:
- Direct coupled
- Single mechanical seal
- Choice of materials
- Cast iron
- Steel
- Bronze
- Stainless steel
- Optional vertical submerged tank design
- Operating parameters
- Flows to 110 m3/h (500 gpm)
- Pressures to 24 bar (350 psi)
- Temperatures from -50°C (-60°F) to 200°C (400°F)
- Viscosities from 32 to 500 000 ssu
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