Specifications

• Lubrication Type
  Oil
• Pump Type
  Air Operated Pump
• Compatible Container Size
  55 gal (US)
• Pump Material
  Steel
• Flow Rate
  9 in³/cycle
• Outlet Thread Connection
  3/4 NPTF in
• Hose Diameter
  1/2 (ID) in
• Pump Ratio
  12:1
• Includes
  84335 Pump Tube
• Features & Benefits
  • Gives years of dependable trouble-free operation • Costs much less to operate—costs much less to maintain • High-volume output—air motor has extra-long stroke for powerful, uniform delivery on both up and down strokes • Shovel-type pump tube used to add mechanical priming to normal suction when needed • Sturdy construction—plunger and bushing of hardened steel for longer life, greater wear resistance • Pump outlet body of all-steel construction designed to withstand pulsation and extreme pressure • All wearing parts are tough, heat-treated steel • Plunger, bushing and air valve mating parts are micro-lapped to close tolerances • Prevents bypassing of lubricant and bleeding of air • Eliminates need to replace washers and packings • Trouble-free, positive performance • Air motor operation has no springs to wear out, rust or lose tension • Air valve is stall-proof, leak-proof and pre-lubricated • Double-acting mechanisms ensure dependable low-surge operation with minimum air consumption • Large air passages allow unrestricted venting • Simplified maintenance • Modular design of pump tube allows for easy disassembly • Model #1901 is a ball-type medium pressure pump • Model #1904 is a shovel-foot plunger and bushing pump
• Weight
  38.80 lbs