Model 3DDSX22 Double Disc Pumps

Model 3DDSX22 Double Disc Pumps

Need a pump to move sludge and slurry? Penn Valley Pump has the right piece of equipment for you. The 3DDSX22 is a leader in sludge pumps. Designed to feed and transfer tough to handle sludge and slurry, this double disc pump model is typically used for primary sludge, waste activated sludge, and feeding smaller dewatering devices such as screw presses, rotary presses, belts presses and centrifuges. It features a displacement of 0.22 gal/rev at 60 feet TDH at 300 RPM. It has a flow range up to 120 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 3/4″ 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 120 GPM
Displacement: 0.22 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: 3” 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