Model 4DDSX30 Double Disc Pump
The Penn Valley Pump 4” Model 4DDSX30 double disc pump is an all around work horse and ideal for the most challenging applications. This pump model is routinely used to pump primary sludge, septage, scum, WAS, digested sludge, lime slurry, and lime sludge. This pump is often used to feed dewatering devices such as screw presses, rotary presses, belts presses and centrifuges. It features a displacement of 0.30 gal/rev at 60 feet TDH at 300 RPM. It has a flow range up to 160 GPM and an operating speed of 400 RPM.
Features
- Maintain-In-Place™ hinged housing design for elastomer replacement without disturbing piping
- Two-piece swan neck
- Non-close tolerance = Low wear = Long Operating Life
- Runs dry without damage
- Seal-less design, no packing gland or mechanical seals, no seal water required
- No internal check valves, no fouling problems
- Self-priming with high suction lifts
- Passes up to 1″ solids and line size semi-solids
- No routine maintenance required
- Compact footprint
- Custom configurations available
- Two-year warranty
| Technical Specifications | |
|---|---|
| Typical Flow Range: | Up to 160 GPM |
| Displacement: | 0.30 gal/rev @ 60ft TDH @ 300RPM |
| Operating Speeds: | Up to 400 RPM |
| Discharge Pressure: |
Up to 60psi operating Up to 110psi stall pressure |
| Suction Pressure: | Up to 25” Hg (28ft) |
| Fittings: | 4” 150# Flanged |
Please contact us about ordering replacement parts uniquely engineered to fit your pump model.
Materials of Construction
| MATERIAL | OPTIONAL | |
|---|---|---|
| Housings | Cast iron | Lined with Porcelain Glass, Neoprene, PVC, Tungsten Carbide, others |
| Elastomers | Neoprene | Buna-N, EPDM, HNBR, Viton, others |
| Connecting Rods | High-tensile Aluminum | |
| Drive Shaft | High-tensile 400 Series SS | |
| Eccentric Cams | High tensile bronze alloy | |
| Bearing Pedestals | Aluminum | |
| Frame and Covers | SS304 | SS316, Galvanized Steel |
Drives
| Type | OPTIONAL | |
|---|---|---|
| Static | Electric belt and pulley | Gear reduced direct drive, Air and Hydraulic motor |
| Portable | Electric, Gas and Diesel Engine |