Available Models

531 011 PM45 10:1 400 lb drum, flange mounted

Fluids Handled

  • Grease up to NLGI-2

Markets Served

  • Lube trucks
  • Mining and construction
  • Railroad and mass transit
  • Industrial
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    Item#: 531011

Overview:

Double acting air operated heavy-duty pumps that combine high pressure (60:1 ratio) and volume delivery. Recommended pump to deliver high viscosity greases in medium length systems that include multiple dispense points.
Pumps are available with three different suction tube lengths: 35 lb, 120 lb and 400 lb. Pumps include a height adjustable 2” bung adaptor.

3 1/4” air motor
Mechanically actuated air valve with only three moving parts and no springs. Large effective area for maximum pumping power

Efficient air exhaust
No ice forming, no stalling pump operation

Long life packings
Dual packing seals provides longer trouble free operation

High quality materials
Barrel, piston and foot valve are made of hardened, precision fitted ground steel for perfect seal and longer life

Cast iron pump body
To withstand higher working pressures

Product Specifications:

Pump Pressure Ratio 10:1
Continuous Duty Flow Rate -
Maximum Free Flow Rate 75 lb/min (100 psi)
Air Pressure Operating Range 30-100 psi (2-7 bar)
Maximum Outlet Pressure 1,000 psi (70 bar)
Air Motor Effective Diameter 4 1/2" (115 mm)
Air Motor Stroke 4" (100 mm)
Air Consumption -
Air Inlet 1/2" NPTF
Fluid Outlet 1" NPTF
Wetted Materials Cast Iron / Hard chromed steel / Carbon steel / Zinc Plated steel /
NBR / PTFE / Polyurethane / POM
Noise Level Pump noise level meets OSHA requirements at all recommended operating air pressures

Technical Documents:

All available documents below will open in a new tab in your browser.

View or download pdf of Catalog Page

View or download pdf of Service Manual SM853868