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Jul 1, 2001 12:00 PM

STAC Inc has introduced its new line of hydraulic coolers. The Thermaflow Model 500P is a new design that uses the products being pumped to cool the hydraulic oil. This eliminates the need for any type of fan motor that can be difficult to keep clean or costly to maintain.

The 500P also has advantages with products, like propane, that benefit from returning the warmed/vaporized product back into the bobtail. These advantages include increased pump flow rates and reduced pump maintenance costs by reducing cavitation. The 500P is currently being operated on propane bobtails and diesel truck refueler applications. For full information, contact STAC Inc, 2785 Long Lake Rd, St Paul MN 55113.