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Gate City Incorporates Insertion Meter in Additive Blending.
Hoffer Flow Controls supplies insertion liquid turbine flowmeters
and signal conditioners to Gate City Equipment Company on
an OEM basis. Gate City is located in Atlanta, Georgia and
produces blending and additive metering equipment for the
petroleum and chemical industries. Through the use of their
advanced electronic systems, they provide injection metering
systems that provide precise in-line additive blending. They
are recognized throughout the world as a leader in additive
injection blending systems.
The typical liquid insertion
flowmeter supplied by Hoffer Flow Controls for this
precise application is an adjustable type which allows
the user to install or retract the flowmeter without
shutting down the line. The adjustable Hoffer insertion
flowmeter is installed directly on an isolation valve
to facilitate the removal of the flowmeter.
The Hoffer insertion turbine flowmeter incorporates
a number of design features that are important to Gate
City for their applications. All Hoffer flowmeter components
are precision machined including the hydro dynamically
balanced rotor assembly. The lightweight rotor allows
for extremely rapid flowmeter response to changes in
flow conditions. Many other insertion turbine flowmeters
incorporate cast rotor assemblies which are not as responsive
as the Hoffer machined rotor assembly.
The Hoffer insertion flowmeter series is available with
a number of flowmeter bearing options. The bearings
are selected based upon compatibility with the process
liquid and service conditions that the flowmeter will
be exposed to. |
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In the case of Gate City, the insertion turbine flowmeters
are supplied with shielded, self lubricating ball bearings.
This type of bearing design incorporates a ball bearing
that is shielded on both sides. Additionally, a molydisulfide
lubricating agent is impregnated into the race of the
bearings. There are several benefits of this bearing
design versus an open race ball bearing flowmeter. First,
if fine particulate is present in the process the shielded
ball bearings would not be as susceptible to fouling
as the open race ball bearings would be. Secondly, the
shielded, selflubricating ball bearings do not rely
on the flowing fluid to lubricate the bearing race.
Open race, non lubricating bearings would require lubrication
from the flowing fluid and would not tolerate air spinning.
Open race,non lubricating ball bearings would fail if
exposed to air spinning for any period of time. Minimal
amount of maintenance is a key issue in the decision
making process for Gate City. The Hoffer insertion turbine
flowmeter product line meets this need.
Finally, Gate City supplies their high quality blending
and additive metering equipment throughout the world.
Product quality is a major consideration in their decision
making process. Hoffer Flow Controls has a reputation
for providing a high quality product and has had an
ISO 9000 quality system in place since 1995.
If your requirements call for a precision blending injector
system in the petroleum or chemical industries, you
may wish to consider Gate City Equipment. They have
years of experience providing in-line additive blending
systems. This fact, along with the use of the Hoffer
insertion turbine flowmeters, will allow you to be certain
that your needs are met.
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