Model 4DDXS30 Double Disc Pump

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