Model 6DDSX107 Double Disc Pumps

The 6” Model 6DDSX107 Double Disc Pump from Penn Valley Pump is one of the best pumps on the market to remove sludge and slurry. This is our most common pump size and is a solid workhorse for just about any sludge or slurry application you run across. This pump is routinely used for higher flow primary sludge applications as well as scum, WAS transfer, digested sludge transfer, thickened sludge transfer, truck loading and dewatering feed applications to include: belt press, centrifuge, rotary press, screw press, RDT and GBT feed. This cast iron pump can run dry without damage and has no fouling problems. It has a flow range of up to 550 GPM and can handle up to 2” solids as well as line size semi-solids. This pump operates at speeds up to 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 2″ 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 550 GPM
Displacement: 1.07 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: 6” 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