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Ratio Air Operated Ratio Oil Stub Pump R500S-02 – Macnaught USA

The ‘R’ Series range of pumps have been designed and manufactured using a strong metal construction, providing maximum performance and long service life. All the ‘R’ Series pumps are supplied complete with an inline air lubricator to help prevent premature wear. Suitable for oils up to SAE140 viscosity and premix coolants. The ideal choice for remote mount or integration into lubrication systems.

Features & Benefits:

  • Heavy duty construction
  • Air Inlet (1/4” NPT)
  • Oil outlet (3/4” NPT)
  • 2”  sliding bung adapter
  • Oil inlet (1” NPT)
  • Pressure relief valve
  • Large exhaust port
  • Oil lubricator
  • 10 Year Macnaught warranty

Value Proposition:

The R series pumps are high quality, heavy duty, reliable oil pumps.  The ideal choice for remote mount or integration into oil systems. The strong metal construction provides maximum performance and long service life. 

Macnaught Air Operated Oil Pump

Model number
R500S-02
Pump ratio 5:1 ratio
Output SAE 10*
8.4gal (32L)/min
Output SAE 15W-40*
8gal (30L)/min
Output SAE 90*
7.3gal (28L)/min
Maximun Static Head
164ft (50m)
Airline lubricator
Pressure relief valve
2″ Bung adapter
Fully serviceable
Warranty¹ 10 years
Parts guarantee² 10 years
Compatible fluids Engine and gear oils up to SAE140, auto trans, hydraulic fluid, diesel
Min-Max air pressure 60/150psi (400-1030kPa)
Air inlet 1/4″ NPT(F)
Pump outlet 3/4″ NPT(F)
Pump inlet Suction tube
Min air conpressort 10cfm/min (.3m³)

Macnaught Air Operated Oil Pump data sheet: PDF
Instruction Manual: PDF

Air Operated Oil Pump Applications:

  • Automotive
  • Truck and buses
  • Farming
  • Constructions and Earthmoving
  • Military
  • Mining
  • Aircraft
  • Trains

Pump Performance Curves: PDF

Description

The ‘R’ Series range of pumps have been designed and manufactured using a strong metal construction, providing maximum performance and long service life. All the ‘R’ Series pumps are supplied complete with an inline air lubricator to help prevent premature wear. Suitable for oils up to SAE140 viscosity and premix coolants. The ideal choice for remote mount or integration into lubrication systems.