These are full featured industrial prelube controls for our CF-15 pumps, packaged in 10 x 8 inch steel NEMA12 enclosures. They includes the motor contactors, motor protection, and master disconnect / lockout switches. The controls have an oil-tight illuminated local prelube run button. They have wiring provisions for a prelube-complete signal such as from a pressure switch or timer, as well as previsions for one or more remote control stations with prelube status feedback. They include their own 24VAC power source for all control circuits. Low voltage control circuit components are protected by circuit breakers located within the prelube control cabinet.
The VARNA Products Prelube Control Unit has three external control signals that can be used to operate the prelube pump and report the state of the engine prelube pressure switch.
These are identical to the above control with the exception that all the controls for two or more prelube systems are packaged in a single enclosure, with a single master cut off switch. We designed these for shipboard engine rooms were space can be at a premium. They may also be appealing in a multi unit standby power room or anywhere multiple engines are in close proximity.
Simple is a funny idea when applied to pump design. Many people comment on how simple Varna pumps are. A simple design that also performs at a high level is anything but simple to achieve.
Customer Feedback "I am in love with these pumps. The best feature is that I can dead head the pump and there is no screaming PRV."
Wes Blankenship of Symbrium, Inc.
We believe the less the end user has to think about our product the better job we did.
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