I
NSTALLATION
&
O
PERATION
I
NSTRUCTIONS
F
OR
KOBOLD
KFR-5000
AND
KFR-6000
S
ERIES
F
LOWMETERS
C
AUTION
T
HIS FLOWMETER IS DESIGNED FOR USE WITH NON
-
HAZARDOUS FLUIDS AT PRESSURES UP TO
100
PSI
(690
K
P
A
)
AND TEMPERATURES
UP TO
150
°F
(65
°C).
D
O NOT USE HAZARDOUS FLUIDS AND DO NOT EXCEED TEMPERATURE OR PRESSURE LIMITS
.
U
SE WITH
HAZARDOUS FLUIDS OR EXCEEDING THE PRESSURE AND TEMPERATURE LIMITS MAY CAUSE FAILURE WHICH COULD RESULT IN INJURY
.
The KFR-5000 and KFR-6000 acrylic block
flowmeters are available in various ranges in both
SAE and SI units for air and water (see chart on other
side). These direct reading meters are also available
for other gases and liquids. If the meter will be used
with fluids other that air or water, please consult
chemical compatibility data for possible effects on the
meter. When properly installed and maintained, these
durable acrylic meters will provide years of trouble-
free operation.
SPECIFICATIONS
ACCURACY:
± 2% Full Scale
FLOAT:
Stainless Steel
WETTED PARTS:
316 SS, Acrylic, PVC,
NBR
PANEL MT. VALVE
(OPTION: PMV1)
316 SS
METER BODY:
Clear Acrylic
FITTINGS:
1” FNPT PVC
O-RINGS:
NBR
MOUNTING
INSERTS:
10-32 UNF
MAX.
TEMPERATURE:
150 °F (65 °C)
MAX. PRESSURE:
100 PSIG (690 kPa)
U
NPACKING
Precautions have been taken to prevent any damage
from occurring during shipment. Remove the
protective pipe cleaner securing the float from the
meter through the appropriate inlet / outlet fitting and
discard. If the meter is received damaged,
report it to
your carrier
immediately
. Before installing, verify
that you have the model and flow range required.
A
CHIEVING
A
CCURATE
F
LOWRATES
To obtain an accurate flowrate, the float must be read
at the position indicated on the meter. Additionally,
the flowmeter should be installed in a manner, which
minimizes both external vibrations and internal flow
variations. Special care should be taken so that the
connections to the meter’s inlet and outlet fittings do
not overly restrict the liquid or gas flow being
metered. This could result in a reduced flow volume,
preventing the meter from reaching its maximum
flowrate. Furthermore, internal pressures could be
affected, which can cause inaccurate flow readings.
On start-up, slowly purge any fluid trapped in the
meter.
I
NSTALLATION
These meters are supplied with round 1” FNPT PVC
inlet and outlet fittings. When installing the meter,
securely hold the meter’s fittings from rotating while
connecting the flow lines. (Use pipe thread sealant or
PTFE tape to achieve a positive seal when connecting
the flowmeter.)
Failure to hold the meter fittings
or over-tightening may cause damage to the
fitting, flowmeter or both; which will result in
leaks or meter failure.
The meter is supplied with
#10-32 threaded inserts for mounting. When
installing, use slotted screws and torque to a
maximum of 35 in-lb. Mounting dimensions are
shown in the figure on the reverse side.
C
LEANING AND
D
ISASSEMBLY
Occasional cleaning may be required if dirt appears in
the flow tube or if float movement becomes restricted.
To clean, remove the top plug (standard back) or the
outlet fitting (inline) and remove the rod guide
assembly. Wash the tapered hole; float stops and top
plug with a mild liquid detergent and soft brush.
Rinse all parts with clean water and dry thoroughly
with clean air or nitrogen.
Do not use solvents to
clean this meter
as they will attack the acrylic and
destroy the meter.
