Sludge Sucker Double Diaphragm Pneumatic Grout Pump

Double Diaphragm Pneumatic Grout Pump

Sludge Sucker Pneumatic grout pump

  • Heavy duty pump design
  • Designed and manufactured in North America
  • 3.5 gallon (0.47 ft³) galvanized hopper funnel
  • Mounted High-density polyethylene mobility slab with anti-vibration feet
  • Aluminum male camlock included on discharge side
  • Recommended for pumping grout containing resin and cementitious materials
  • Availability: Minimum 3-5 Days To Process
  • $6,935.99 USD


If your job requires a grout pump and you have access to pneumatic power then you'll need the Sludge Sucker® Pneumatic grout pump series. With a 3.5 gallon hopper and a premium Parker pneumatic motor, you'll get the ultimate productivity enhancer for almost any grout job.

What's in the box:

  • Completely assembled Sludge Sucker® Double Diaphragm Pneumatic Grout Pump
  • 3.5 gallon galvanized hopper funnel
  • Aluminum camlock on discharge

Maximum Pump Performance Range

  • Capacity: 40GPM
  • Max Pressure: 15 psi
  • Discharge Head: 10' vertical/25' horizontal
  • Solids Handling: 1" dia or 50% by volume

Pump Specifications 

  • Maximum Liquid Temperature: 140°F (60°C) continuous
  • Pump body casing: aluminum
  • Diaphragm: 7" fabric reinforced BUNA-N
  • Acceptable grout materials: most types of cementitious grout
  • Pump is not recommended to transfer chemical based epoxy grouts

Mixing Ratio Recommendation

  • Most grout manufactures offer a choice of three mixing ratios: fluid, flowable and plastic
  • Sludge Sucker® Grout pump perform best when the ratio consistency is between fluid and flowable
  • It is also recommended to use products such as “Slick Willie” or  “Slick-Pak”  to help reduce line pressure and reduce overall friction in the pump and hose system 

Standard Features

Board Mounted (HDPE)
Standard Connection Type
Alum. Male Camlocks


14 QT Galvanized Steel, 2" MNPT

Pump Specifications

Max. Discharge Head
10' Vertical, 25' Horizontal
Max. Flow Capacity
18 GPM
Max. Liquid Temperature
140°F (60°C) continuous
Solids Handling
1" Dia. or 50% by Volume

Materials of Construction

7" OD Blended Rubber w/ Nylon
Flapper Valves
Rubber 60 Duro (Suction); Reinforced Neoprene (Discharge)
Pump Castings
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