Vertical booster pumps save space, conserve energy

Vertical booster pumps save space, conserve energy
VR Series vertical multistage booster pumps from Franklin Electric

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VR Series stainless steel vertical multistage booster pumps from Franklin Electric are designed to deliver clean water under pressure with temperatures ranging from -5 degrees to 250 degrees F. The three-pump series is available with 3/4 to 10 hp models in flow ratings from 8 to 60 gpm and TDH to 750 feet. The pumps have a 1 1/2-inch NPT suction and discharge on the smaller series and 2-inch NPT on the larger flow series. Other connections are available. The pumps are designed with top access to the mechanical seal for easy replacement without disturbing the plumbing.

Applications include water supply and pressure boosting and water treatment (reverse osmosis) in municipal and industrial use.

Made of 316 stainless steel, the low flow, high-head pumps have a space-saving footprint (approximately 9 by 9 inches) that can be used in both retrofits as well as new construction.

“It’s a standard fit for most vertical multistage applications,” says Van Johnson, senior portfolio manager — surface pumps at Franklin Electric. “It’s designed to fit within the piping and footprint as a replacement for an existing system that is using a different manufacturer’s pump. And for new construction, it’s a very clean install. It’s an inline design so you can plumb up to it.”

A unique feature of the pump is the operator does not have to adjust the vertical pump stack. “That’s done internally with the pump,” Johnson says. “All the operator has to do is attach the coupling to the rotor shaft and you’re ready to go. No adjustments are necessary.”

The pumps require little to no maintenance and use standard thrust motors. “No matter who the operator is dealing with as far as a motor manufacturer for his other products in the plant, he’ll be able to obtain that motor from his vendor,” he says.

The energy- and space-saving pumps work well with variable-speed drives because the curves are shaped so that you can hook one, two or three of these up together, Johnson says.

“Take an apartment building, for example, where everybody showers at 7 a.m., goes to work and comes back in the evening to wash dishes or whatever. You need the larger flow in the morning, so you probably have all your pumps kick on with the variable-speed drives, and the rest of the day you could only offer what’s required — a very small amount of water. So you’re saving energy and not running all the pumps all the time when you don’t need them.” 260/824-2900; www.franklin-electric.com.



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