LiquifeederHE SPS/SPPS Feed System


The Progressive LiquifeederHE™ is specifically designed to deliver suspended particle slurries or solution precursor mixtures to a plasma spray torch. The feeder includes a 1 gallon (3.8 liter) pressurized canister to hold the supply of liquid. A stirrer is provided on this canister to help keep particles in suspension. A variable speed peristaltic pump pushes the liquid from the supply reservoir to the spray torch at flow rates from 10 ml/min to 100 ml/min at pressures up to 90 psi (with proper hose selection). A coriolis meter is provided to continuously monitor the liquid flow rate and density. A pressure transducer monitors the pressure in the feed line.

The Progressive LiquifeederHE™ is mounted on a rolling cart. When used with Ethanol based slurries or solutions, the feeder must be placed in a well ventilated area to meet the safety requirements for a Class 1, Division 2, Group D atmosphere. All of the valves and components on the unit meet these requirements.

System features & benefits

  • Liquid Flow Rate . . . 10-100 ml/min
  • Liquid Flow Rate Accuracy . . . +/- 2.0 ml/min
  • Liquid Pressure . . . 0-90 psi (0-6.2 bar)
  • Reservoir Capacity . . . 1 gallon (3.8 liter)
  • Hazard Classification . . . Class 1, Division 2, Group D

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LiquifeederHE™ SPS/SPPS Feed System

LiquifeederHE™ SPS/SPPS Feed System