When dealing with refrigeration or air conditioning compressors that employ an oil pump, many service technicians confuse net oil pressure with oil pump discharge pressure. However, it is of utmost ...

Many larger compressors in the refrigeration and air conditioning field have forced oiling systems. These compressors are usually over 5 hp. They contain an oil pump located at the end of the ...

SPO 1-1 Given information from discussion, handouts, and reading materials, explain the pump operator's responsibilities to pump a supply line, given the length and size of line, flow and desired ...

Centrifugal fire pumps long have been the backbone of pumping apparatus in the fire service because of their efficiency and their versatility. They come in various configurations, so departments must ...

Wear and leakage are common maintenance problems that result in pump discharge pressure dropping below optimum levels and reduced pump efficiency. Converting pumps to mechanical seals eliminates ...