Page 12 - Grapevine MayJune 2021_REV
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In The Winery
Carlsen’s Waukesha 130 positive displacement frequency drive, means there is little-to-no sheer
pump is a versatile pump with many applications, in the pump head, so provided the correct line size
including filtering, barrel-filling, emptying and bot- and speed is selected, there is no cavitation,” said
tling. Battersby. “They are extremely efficient and easy
to use.”
“These pumps must in three-inch lines from the
de-stemmer to the tank at 15 tons per hour, trans- Battersby said his
fer wine in two-inch lines at up to 130 gallons per company previously
minute, and also go in reverse,” Battersby said. sold a line of flexible
“You can use pressure transducers, switches, float impeller pumps, less-ex-
switches, batch controllers and timers with this pensive pumps that per-
pump.” form various tasks. These
are entry-level pumps com-
Another popular Carlsen pump is the Yamada monly used by small startup
NDP 25 double diaphragm air pump. It runs on wineries. However, Carlsen
a max of 22 cubic feet per minute of compressed & Associates stopped selling
air and is commonly used by boutique wineries for these products because the
transfers, press pan duty, small tank pump-overs maintenance and service
and barrel filling. requirements failed to meet
the company’s standards for
“Air pumps are quality.
the gentlest of
pumps when “The rubber impellers break up
set up correctly over time, they fracture if they go
and can be used in reverse, they leak and you can
in nearly all situ- never run them dry,” Battersby
ations,” Battersby said.
said. “There are two
principle controls on Another pump-like product from Carlsen
the pump, a ball valve to is the Bulldog Pup, an inert gas-powered barrel
control airflow and thus pump flow, gallons racking wand that works by sealing the racking
per minute and a pressure regulator that will wand in a barrel or keg. The Bulldog Pup displaces
control line pressure, commonly not above 30 psi, the wine using compressed inert gas to push it out
depending on the application. With our Electric Air of the barrel, into the wand and out of the hose to
solenoid, you can use float switches and timers to a tank or barrel.
automate the pump. A key feature is the ability to
shut off against the pump without damaging any- “At about $700, it is the least expensive ‘pump’
thing.” you can buy and also the gentlest, with the few-
est moving parts,” he said. “These units also stand
Battersby also mentioned the 2085/10 or 15 hp the test of time with readily available spare parts,
centrifugal pump. These large-scale transfer pumps a design that hasn’t changed and reliability that’s
move wine in three-inch lines at speeds between second to none. You can find these in the Carlsen &
250 and 350 gallons a minute. They are often used Associates Annex section.”
in tanker truck loading and unloading, large-scale
wine blending, racking off huge tanks, press pan Maintenance for Winery Pumps
duty on large presses and pump-overs for massive
red fermenters. A big part of having pumps in the winery is keep-
ing them clean, sanitary and working well for many
“The scrolled impeller, combined with a variable years.
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