The new, low cost EP-4 prelube pump is essentially a scaled down version of Varna’s proven CF-15 prelube pump design. It operates on 12 or 24 volt DC power and shares many of the CF-15’s value adding features such as it’s integrated low pressure-drop check valve, and the quiet running “Whisper-Vane” pump head. After finding that many of the CF installers were using ¾” and smaller hose, Varna built the EP-4 as a more appropriate pump for smaller sizes of hose. It can deliver 60 psi pressure continuously for up to five minutes’ time and includes a built-in pressure gauge to show it. It provides much needed lubrication prior to starting reciprocating engines and compressors by drawing oil directly from the crankcase and delivering it back to the bearings until the main oil pump gets running and takes over. Installation details vary depending on the engine or compressor being lubricated.
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