Fill-Rite TS SS F & W Precision Meter - Manual (Page 3)

About FPP Meters
We thank you for purchasing an FPP Meter for liquid meas-
urement service. FPP Meters , formerly Fluid Power Prod-
ucts, is now a trade name of Tuthill Transfer Systems. FPP
was established in 1980. Since its inception, the company
has been dedicated to manufacturing cost-effective, high
performance flow metering devices for petroleum, industrial,
commercial and municipal service.
Our facilities include computerized order entry and inventory
control, so that you are assured of accurate and prompt de-
liveries. Furthermore, our production personnel ensure that
each order, regardless of size, receives individual attention.
Constant attention to new product development and produc-
tion design, our high standards of manufacture and final
testing are the reasons why
FPP Meters meet your most
demanding requirements. With the ‘Waveform’ oval gear
(2003 patent) meter accuracy is better than ever before.
Our meters are used in batching, blending, process control
and to dispense fluids in liquid handling facilities throughout
the World. Service includes gasohol blends, bio-diesel and
special formulation racing fuels.
Principle of Operation
Positive Displacement meters have a measuring chamber,
where inlet & outlet are separated by rotors, a rotating ele-
ment or sliding vanes. As the liquid passes through the flow
meter, it causes the rotors/element/vanes to turn, which
forms the basis for volumetric measurement.
The Oval Gear metering principle is based on two elliptical
(oval) gears, which turn on center on two horizontal shafts
inside a measuring chamber formed by two overlapping cyl-
inders. The oval gears have meshing teeth along their en-
tire circumference, ensuring that the gears will maintain cor-
rect position in relation to each other at all times, without the
use of timing gears.
The volume being transferred from the
inlet to the outlet side (= volume meas-
ured), forms between the oval gear and
the side of the measuring chamber,
alternately in the upper and the lower
half of the measuring chamber.
In a full 360° rotation of the gears, four such known volumes
are released to the downstream side of the flow meter.
With precision machining and close internal tolerances, the
slippage is minimal for superior linearity (accuracy) over a
broad turn-down ratio. Oval gear meters are largely unaf-
fected by changes in liquid viscosity.
The TS Series meter is designed to provide:
V●● Assy: Drive to a mechanical register
(covered
in separate manual).
F●● Assy: Electrical pulse signal to an electronic
register
installed on the flow meter.
W●● Assy: Electrical pulse signal to a remote
electronic register.
In the two electronic versions, the flow meter is 100% gland-
less with static O-ring seals only. An internal magnet turns
in the vertical plane; a sensor mounted in flow meter end
cover reads changes in the magnetic field, and generates 64
pulses per 360° rotation . Several different signal types are
available, to ensure signal compatibility with all electronic
registers.
Fluid Compatibility
FPP Meters flow meters are available in anodized aluminum
and stainless steel, with a variety of rotor types and seals, to
ensure compatibility with a broad range of liquids. If in doubt
about compatibility with a a specific fluid, please refer to the
FPP200 Technical Manual
. If that publication does not
provide a clear answer, please consult with your authorized
FPP Meter distributor, or Customer Care at the factory.
While most refined petroleum products can be handled with
the same flow meter, some require different rotors and/or
seals.
Do not change service liquid, without consulting with
your authorized FPP Meter distributor .
1 . 3
TS Series, Principle of Operation
 Only 2 moving parts.
 Patented ‘Waveform’ oval gears = sustained accuracy with a minimum of maintenance.
 No metal-to-metal contact in measuring chamber or in bearings.
 The lowest differential pressure values amongst rotary PD meters.
=> Lower Cost of Ownership!