Self Priming Type Lubrication Pump has rotor made using carbon steel and has idler gear made using sintered metal or steel. The Pump has maximum differential pressure of 18 bar, maximum inlet pressure of 45 bar and has maximum temperature at 00 ° C. The Pump can be availed with a preset tamperproof relief valve that is gas tight. The Pump has maximum speed ranging from 1008 to 3600 RPM. The Self Priming Type Lubrication Pump has adjustable bolt on relief valve and comes fitted with flanged ports which enable tuthill to offer various port options.