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U.S. Navy Shipboard R/O Systems Use Hoffer Flowmeters
Hoffer Flow Controls is a supplier of flow products to various
agencies within the U.S. government including the Navy. We
have supplied flowmeters and flow switches for a number of
shipboard applications. Our customers, along with the U.S.
Navy, include prime contractors such as Ingalls Shipbuilding,
Bath Iron Works, and Newport News Shipbuilding. Systems supplied
to these customers include fuel flow measurement systems for
the propulsion plant, missile cooling systems, trim and drain
systems and flow switches for use in the fire control system.
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Most recently, we have worked with a major supplier
of reverse osmosis (“R/O”) systems for use
on the U.S.Navy DDG-51 Class Destroyer. This class of
ship, which carries weaponry for battle, is 505 feet
overall in length and carries a crew of 341. Hoffer
is supplying the turbine flowmeters used on both the
supply and discharge sides of the R/O systems. The R/O
systems will handle “all” shipboard water
requirements. The supply side flowmeters are suitable
for use on seawater, thus, they are constructed of naval
brass and monel. These materials provide long life against
seawater’s corrosive nature. The flowmeters on
the discharge side are constructed of 316 stainless
steel and will meter the potable water. All flowmeters
will supply simultaneous pulse and analog outputs that
will be fed to the ship’s main control room. Historically,
the Navy has employed gauge type flowmeters whereby
the “roving watch” was responsible for taking
and recording readings. The information obtained from
the supply and discharge flowmeters on the R/O plant
enables the crew to determine the efficiency of the
R/O system. The use of the Hoffer turbine flowmeters,
with precision output flow information, will enable
the Navy to minimize manpower requirements onboard the
vessel. This is one of the design goals on this class
of ship.
The Hoffer turbine flow system incorporates a robust
design that has been tested to meet Mil-S-901D shock
requirements, Mil-Std-167/1 mechanical vibration requirements
and Mil-Std-462D EMI requirements. The Hoffer flowmeters
have been firstarticle tested and certified by independent
laboratories to meet these Military standards. These
flow systems are available in a variety of sizes supporting
flow ranges starting at .25 GPM through 12,000 GPM.
The Hoffer “Navy design” turbine flowmeter
is well suited for this application because of the robustness,
versatility with regard to construction materials, and
reliability. “Bath Iron Works had recommended
that the R/O system manufacturer contact Hoffer for
the turbine flowmeters needed for their system,”
according to Linda Markham, account manager for the
project. “This speaks volumes about the long term
reliability of the Hoffer systems,” she indicates,
“because Bath Iron Works has been using the Hoffer
turbine flowmeter for a variety of shipboard applications
for years.” Now in addition to supplying flow
systems for the propulsion plant and other critical
shipboard flow processes, Hoffer has also provided a
solution for the R/O water plant.
Hoffer provides flow systems for simple and customized
applications. Call us today with your flowrequirements.
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