vertical shaft hydraulic pump brands

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This 2-Stage pump fits a wide variety of log splitters and outdoor power equipment and works in both horizontal and vertical orientations. The included inlet nipple requires a 1" inner diameter suction hose.

Rated for up to 3,000 PSI at 3,600 RPM, this pump can power log splitters from 5 to 35 tons, depending on the inner diameter of the hydraulic cylinder. It features a fast cycle time by moving quickly when unloaded. It automatically shifts to low-flow/high-pressure mode at 500 PSI.

Be sure to use AW-32 10-Weight (ISO 32) or AW-46 20-Weight (ISO 46) light hydraulic fluid or Dexron III automatic transmission fluid. This pump is not designed for use with “universal” or "tractor" transmission oil, such as "303". The use of incorrect fluid may damage the pump and void the warranty.

Make sure the hydraulic fluid reservoir is not below the pump to ensure a sufficient flow of fluid to the pump. Suction-side filtration should be no finer than 150 microns. The use of a 10-25 micron filter on the suction side of the pump is too restrictive and will cause failure.

We recommend using an L-style jaw coupling to connect the pump to an engine. Couplings and mounting brackets are available. You should use at least a 5hp 163cc engine to maintain 3,600 RPM under load.

Guidelines on when to use a SUBMERSIBLE PUMP versus a Vertical Turbine Pump:When shaft elongation problems occur on a deep Vertical Turbine pump setting.

Yes, as of September 20, 2019, National Pump has NSF/ANSI/CAN 61 & NSF/ANSI 372 certification for Vertical and Submersible Turbine Pump assemblies. The deep-set Vertical Turbine Pumps are available in configurations that include either oil-lubricated or fresh water flushed enclosed lineshaft or pre-lubricated open line shaft. The short-set Vertical Turbine Pumps are available in either product lubricated or enclosed linshaft configurations. NPC has certified many optional materials to allow our customers the ability to choose the best materials for their specific application. Whether its standard materials, stainless steel or aluminum bronze, we can meet your needs. Bearings options also include bronze, neoprene, marine or vesconite. Wear rings are available in stainless steel or aluminum bronze. Seal options include mechanical seals in split or single cartridge configurations or expanded PTFE yarn packing. Standard coating is Tnemec N-140 Pota-Pox Plus to provide long-lasting protection of the steel components. The complete pump, from the suction to the discharge, is certified to pump drinking water without imparting chemical contaminants or impurities that can affect our health.

Yes, all pumps that are required to be built to the ISO9001 certification must be manufactured at National Pump’s ISO 9001 certified plant in Glendale, AZ.

National Pump manufactures pumps in a variety of materials to meet our customer’s preference or needs. Bowls and Impellers are available in Cast or Ductile Iron, Cast Steel, Stainless Steel, a variety of Bronzes or Duplex Stainless Steels. Bearing materials are available in Bronze, Marine rubber, and engineered composites.

Every piece of rotating machinery (motor, pump, etc.) has a natural frequency or vibration of operation. As the discharge head of the pump supports the motor, it is the responsibility of the pump manufacturer to design the discharge head to withstand the natural frequencies of the motor through its operating speed range (say 45 – 60 HZ, or 1350 – 1800 rpm). Reed Critical analysis is a calculation that is done that looks at the motor frequency and its effect on the stability of the fabricated head and motor structure. Design adjustments are made to the fabricated head to insure vibration free service. (See story on Tacoma Narrows Bridge failure in 1940)

When using a cast iron discharge head, National Pump Company can only guarantee vibration free operation at full load speed. A cast iron discharge head may be acceptable for operating at reduced speeds if precautions are made by locking-out the operating speed(s) on the VFD IF vibration is experienced from the natural resonant frequency of the motor and discharge head structure. In some cases, modifications can be made to the discharge head to change the resonate frequency of the structure.

Normally catalog performance and efficiencies are ‘best obtainable’ performance derived from testing using standard materials of construction (i.e. Cast Iron Enameled lined bowls & Bronze impellers) with backfilled and highly polished impellers. Any material change or use of a ‘standard’ polish, may reduce pump performance. The Hydraulic Institute sets performance standards and test tolerances for what a manufacturer can or cannot provide. These standards range from – 9% to +16% deviation on Flow, – 7% to +10% on Head, -7% to 0% on efficiency. When specifying a pump, it is important to define early on what your expectations are so that the manufacturer can meet those expectations. Call a National Pump Representative to learn more about the Hydraulic Institute Test Tolerances.

NPSHR is the minimum pressure required at the first impeller of the pump to keep the pump from cavitating (i.e. turning water to water vapor in the pump). This differs from NPSHA (available) which is the absolute pressure at the pump suction. Both values are represented in ‘feet’ of pressure. NPSHA must be a minimum of 3 feet more than NPSHR.

Vertical pumps utilize a unique shaft and bearing support configuration that can allow the volute to hang in the sump while the bearings are outside the sump or mounted outside the tank. Applications include spray booths, filtration systems, paint systems, spray washers and many more.

Most vertical pumps completely remove the need for a seal, there is no alignments required, and require less floor space. Vertical pumps are designed to minimize maintenance by making the rotating element removable without disturbing the mounting plate or piping. The pump can be either floor mounted, chair mounted or barrel mounted.

Anderson Process is proud to partner with some of the industry’s premier centrifugal vertical pump manufacturers — Ansimag, Dean Pump, Finish Thompson, Franklin Electric, Goulds Water Technology, Gusher Pumps, Hayward Gordon, Price Pump, Vanton, Vertiflo and Walrus — to offer a large selection of vertical pumps for nearly any industrial process application. Our vertical pumps provide exceptional reliability, enabling operations to maximize production up-time.