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Pump-diesel stations are equipped with the most popular Cornell manure pump (USA), depending on the type of pumped liquid, required head, flow rate and suction height. Cornell produces more than 60 models of heavy-duty pumps for working with liquid and semi-liquid manure. The most common models that demonstrate maximum efficiency working with manure are:
- CORNELL 4NHTB; CORNELL 4NHTB-19; CORNELL 6NHTB; CORNELL 6NHTB-19;
Cornell slurry pumps are made of steel and have solid mechanical end seals for additional sealing. Additional materials are available for use in abrasive environment.
Heavy-Duty Bearing Frame
Cornell Pump Company’s distinctive frame design incorporates mounting surfaces rather than mounting feet. Cornell bearing frames are designed to support the heavy-walled castings and robust construction of Cornell pumps.
UNIQUE PATENTED SYSTEMS
Ideally suited for water and waste water applications, Cornell’s patented Cycloseal (U.S. Patent # 5,489,187) is a self-contained single mechanical seal with a dished backplate. This configuration requires no external flushing and eliminates the need for a water flush line. The Cycloseal uses stationary deflector vanes cast into the pump backplate in conjunction with contoured impeller back vanes and a dished backplate to create pressure gradients that moves solids and entrained vapor away from the seal faces. The service life of a Cycloseal mechanical seal can be as much as 10 times longer than a typical mechanical seal.
RUN-DRY ™ SYSTEM
For applications where there is the possibility of the pump operating in a dry condition, Cornell’s Run-Dry system is the answer. Cornell’s Run-Dry system consists of an auxiliary gland and oil reservoir that keeps the seal faces lubricated and prevents dry running of the seal faces during priming, re-priming, or standby operation. The Run-Dry gland is connected to a lubricant reservoir via inlet and outlet lines such that shaft rotation provides continuous circulation and cooling of the lubricant and seal faces. With the Run-Dry system your pump can run dry for hours without damaging the mechanical seal.
Cornell Redi-Prime pumps are designed with oversized suctions to provide more flow, reduced friction losses, and higher suction lift. The priming system was designed with the environment in mind. By using a positive sealing float box and a diaphragm vacuum pump, there is no water carry-over to contaminate the environment. With suction lifts of up to 28 feet, heads to 800 feet and flow rates exceeding 20,000 GPM, most Cornell pumps can be readily fitted with the Redi-Prime system.