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2:1 High Pressure Pump - 2 Pages

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Catalogue excerpts

2:1 High Pressure Pump The Yamada 2:1 High Pressure Pump was specifically designed for applications where 100 PSI (0.7MPa) maximum pump operating pressure is not enough to overcome system requirements. The Yamada 2:1 pump will develop pressures up to 185 PSI (1.3MPa), with only 100 PSI (0.7MPa) air inlet pressure. The 2:1 discharge pressure ratio is achieved by utilizing twice the surface are (driving both diaphragms) to double the output. The flow rate is half the volume of its equivalent 1:1 pump. Key Advantages No elaborate bypass required No relief valves required No complicated controls required Great pressure retention (ability to hold pressure) 3/4” through 3” port sizes available 316 Stainless Steel, Cast Iron, and Aluminum wetted materials EPDM, Neoprene, Buna N, Viton®, Santoprene®, and Hytrel® elastomers Capacities from 1 to 100 GPM (3.8 to 380LPM) Discharge pressure to 185PSI (1.3MPa) Can handle solids as large as <13/32” (10mm) Applications Charging filter press High head requirements High viscosity fluids Solids laden slurries

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2:1 High Pressure Pump Performance Curves Feet (THD> NDP-20 Metal - High Pressure 2:1 Feet (THD) NDP-40 Metal - High Pressure 2:1 NDP-50 Metal - High Pressure 2:1 Feet (THD) NDP-80 Metal - High Pressure 2:1 Your Local Distributor: Performance curves are based on normal temperature (70°F), fresh water. The discharge volume and discharge head vary according to viscosity, specific gravity, etc. of Note: 2:1 high pressure pumps are considered simplex pumps which will increase pulsation during operation. Consult Yamada for proper pulsation dampener selection. Failure to use an appropriately sized pulsation...

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