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Material Of Construction

  • Reagent head: 316L, Alloy 20
  • Hastelloy C Check Valves: 316L, Alloy 20
  • Hastelloy C and others Diaphragm: PTFE
  • Metal Gearbox: Cast Iron


  • Modular Configurations: Simplex, Duplex, Triplex and Quadriplex
  • Flows up to 7,000 lph on single head
  • Meets and Exceeds: API 675
  • Turn down ratio 10/1
  • Sandwich diaphragm pressure leak detection
  • Manual stroke length control standard (optional VFD)
  • Accuracy up to ± 1%
  • Process Temperature from -20°C to 120°C
  • Viscosity standard at 600 cps, higher options available
  • Metric Fasteners
  • No Welds on Wet End Parts
  • Connections available in NPT/ISO and ANSI/ISO Flanges
  • Oil level sight gauge ensures proper oil level

Optional Features


Two diaphragms are in close proximity with each other with practically no pressure in the intermediate gap. On diaphragm rupture. process or hydraulic fluid enters into the gap between the diaphragms. Pressure which can be sensed either by Pressure Gauge or by means of Electric Pressure Sensor with contacts. This replaces conventional Double Diaphragm liquid Heads.



  • PR10HD
  • PR10VHD
  • PR20HD
  • PR20VHD
  • PR35HD
  • PR35VHD
  • PR60HD
  • PR75HD

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