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.
Macnaught Air Operated Oil Pump Specifications
| 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 |
| Maximum 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) |
| Min air compressor |
10cfm/min (.3m³) |
| Air inlet |
1/4" NPT(F) |
| Pump outlet |
3/4" NPT(F) |
| Pump inlet |
Suction tube |
Macnaught Air Operated Oil Pump data sheet: PDF
Instruction Manual: PDF
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.
