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Macnaught 31 Air Operated Oil Pump – PN# T312-02

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The Macnaught T Series 3:1 range of Air Operated Oil Pumps are high quality, economically priced ratio oil pumps. The ideal choice for small workshop or service truck applications. The ‘T’ Series range of pumps have been designed with a non-corrosive air motor that does not require any oil lubrication, the pumps have a very low air consumption and the noise levels during operation are very low. The “T” series design includes a built-in pressure relief valve to protect against pressure build up caused by thermal expansion suitable for oils and premix coolants up to SAE140 viscosity. Use the TB23 Adjustable Suction tube ( sold separately for 60L or 205L containers) INCLUDES 10 YEAR WARRANTY!

Macnaught Air Operated Oil Pump Specifications

Model number
T312-02

Pump ratio
3:1 ratio oil pump

Output SAE 10
4 GPM / 15 LPM

Output SAE 15W-40
3.5 GPM / 13.2 LPM

Output SAE 90
3.2 GPM / 12.1 LPM

Maximum Static Head
90ft (27.4m)

Pressure relief valve

2″ Bung adapter

Fully serviceable

Warranty¹
10 years

Parts guarantee²
10 years

Compatible fluids
Engine and gear oils up to SAE90, auto trans, hydraulic fluid and anti-freeze / anti-boil

Min-Max air pressure
60/150psi (400-1030kPa)

Min air compressor
5cfm/min (0.15m³)

Air inlet
1/4″ NPT(F)

Pump outlet
3/4″ NPT(F)

Pump inlet
1″ NPT (F)

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

Features & Benefits:

Non corroding air motor
Air Inlet (1/4” NPT)
Oil outlet (3/4” NPT)
2” sliding bung adapter
Built in pressure relief valve
Oil inlet (1” NPT)
10 Year Macnaught warranty

Value Proposition:

Macnaught’s T312 Pneumatic Oil Pump requires no oil lubricator, is very soft spoken
(85dB at 2 meters) and carries an Industry Best 10 Year Warranty.

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