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840 Reversing Grinder Pump

840 Reversing Grinder Pump

Commercial Grinder Pumps

Pump systems and reversing controls

  • Durable, heavy-duty, finned cast iron construction
  • Oil-filled, hermetically-sealed motor with Class F insulation
  • Hardened stainless steel cutter and disc
  • Cutters protected from abrasive solids
  • Cutters can automatically alternate direction to enhance blade life and free hang-ups (automatic or manual)
  • Stainless steel screws, bolts and lifting bail
  • Easily adapts to many existing competitors’ rail systems
  • Tandem seals with leak detection
  • Automatic thermal overload protection (1 Ph)
  • Thermal sensor protection (standard on 3 Ph)
  • Legs for free-standing installation
  • Preassembled systems available
  • Corrosion-resistant, powder coated epoxy finish
  • 1 year limited warranty

Standard Features:

  • Reversible cutter action (manual/auto**)
  • Discharge: 1-1/4″ NPT Vertical or Horizontal
  • Carbon/ceramic tandem seals
  • Thermal sensors** (overload on 1PH)
  • Moisture probes**
  • Balanced ductile iron impeller
  • Stainless steel cutter and plate (R-C 55-60)
  • Stainless steel shaft
  • Stainless steel lifting bail
  • Corrosion-resistant, powder coated epoxy paint
  • 20′ (6 m) power cord, 20′ (6 m) sensor cord
  • Options:
    • Extended cord lengths
    • Anti-siphon device
    • Bronze impeller

All variable level float switches in this section are mechanically activated and do not contain mercury.

Product may not be exactly as pictured.

**Requires circuit in control panel to function.


Motor 2 HP
Voltage 200 – 575 V
Phase 1 or 3 Ph
Hertz 60 Hz
RPM 3450 RPM
Insulation Class F
Operation Nonautomatic
Discharge Size 1-1/4″ NPT vertical
Cord Length 20′ (6 m) standard
Cooling Oil filled
Motor Protection Thermal overload (1 Ph), Thermal sensor (3 Ph)
Mechanical Seals Carbon and ceramic
Impeller Ductile iron or bronze (optional)

60Hz     cCSAus     Powder Coated Tough     SWPA