TM
omega.com
R
FL46300 Series
IN-LINE FLOWMETERS
INSTRUCTION
SHEET
M3584/0600
Dimensions: FL46301-06:208 H x 32
Mm D (8-3/16 x 1-1/4”); FL46307-09: 279 H x
32mm D (11 x 1-1/4”)
The FL463300 Series of in-line
flowmeters offers individual, handmade
quality, combined with excellent
accuracy and repeatability.
Weight: 680 g (1.5 lb)
INSTALLATION
These flowmeters are machined of high
Quality acrylic rod stock, carefully
Polished to a clear-as-glass finish. Easy
To read scales are screen printed on the
Meter body. Adapters are glass filled
Polypropylene, and O-ring seals are
Viton®.
Always use Teflon® tape or similar
material on pipe threads when
making connections. Never use oil
base pipe dopes or solvents.
Remember you are installing an
Instrument and fittings should be tightened
only enough to prevent leaking. Over
tightening may result in
When installing the Fl46300 series
meters, be certain of proper pipe
alignment, misalignment will put
excessive stress on the meter.
SPECIFICATIONS
damage to the meter.
Never hold the meter with pliers or
like tools during installation.
Install the meter in an exactly vertical
plane to obtain the best possible
reading.
Accuracy: ±5%
Meter Construction: Acrylic body
O-ring Material: Viton®
Float: 316SS (PVC for Fl46302)
Temperature Limit: 65°C (150°F) at
0 psig
Pressure Limit: 150 psig at 21°C (70°F)
Pressure Drop: 2.0 psi max.
MAINTENANCE
The “Exploded View” drawings illustrate
assembly of the Fl46300 series meters.
If your flowmeter needs to be cleaned,
refer to these drawing when
reassembling the unit. The tapered tube
may be cleaned with a soft bottle brush.
Use a MILD soap and water solution for
cleaning purpose.
Whatever the installation
circumstances, meter should never
be allowed to support the weight of
The related pipe or tubing.
1/4”, 3/8” and 1/2” FPT
3/4” and 1” FPT
1/4” FPT
Adapter
3/8” and 1/2”
FPT Adapter
1
1
2
2
3
Parts
1. Adapters (2)
2. “O” Ring Seal (2)
3. Wire Holder (2)*
4. Float (1)*
5. Guide Wire (1)
6. Meter Body (1)*
3
6
6
4
5
4
5
*Parts not available
need to buy a new unit.
3
2
3
2
Teflon® is a registered
Trademark of DuPont.
1
Viton® is a registered
Trademark of DuPont Dow
Elastomers
1
3/8” and 1/2”
FPT Adapter
1/4” FPT
Adapter
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