840 Grinder Pump
840 Grinder Pump
Pump systems and reversing controls
Features and Benefits
- 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**)
- 1-1/4" NPT vertical discharge
- 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
Notes
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.
Product Specifications
| 60hz | 50hz | |
|---|---|---|
| Motor | 2 HP | 2.5 - 2.8 kW |
| Voltage | 200 - 575 V | 220 or 380 V |
| Phase | 1 or 3 Ph | 1 Ph or 3 Ph |
| Hertz | 60 Hz | 50 Hz |
| RPM | 3450 RPM | 2800 RPM |
| Type | Capacitor start capacitor run or 3 Ph | |
| Insulation | Class F | Class F |
| Amps | 4.4 - 12.0 A | |
| Operation | Nonautomatic | Nonautomatic |
| Discharge Size | 1-1/4" NPT vertical | 1-1/4" NPT (CE models with BSPT) |
| Cord Length | 20' (6 m) standard | 6 m (20') standard |
| Cord Type | SOW/SOOW (CE model H07RN-F) | |
| Max Head | 26.8 m (88') | |
| Max Flow Rate | 12.7 m3/hr (57 GPM) | |
| Max Operating Temperature | 54 °C (130 °F) | |
| Cooling | Oil filled | Oil filled |
| Motor Protection | Thermal overload (1 Ph), Thermal sensor (3 Ph) | Auto reset thermal overload (1 PH), Thermal sensor protection (3 Ph) |
| Cap | Cast iron | |
| Motor Housing | Cast iron | |
| Pump Housing | Cast iron | |
| Base | Cast iron | |
| Upper Bearing | Ball bearing | |
| Lower Bearing | Ball bearing | |
| Mechanical Seals | Carbon and ceramic | Carbon and ceramic |
| Impeller Type | Non-clogging vortex | |
| Impeller | Ductile iron or bronze (optional) | Bronze |
| Hardware | Stainless steel | |
| Motor Shaft | 416 stainless steel | |
| Gasket | Neoprene | |
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