Omega FL900 User Manual

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Flowmeters

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Operator’s Manual

Unpack ing

Remove the Packing

FL900 Series Heavy Duty Fiowmeter (1)
Extractor Tool (1)
Operator’s Manual (1)

If you have any questions about the

When you receive the shipment, inspect the

dling in transit. Immediately report any damage to the shipping agent.

Series

Heavy Duty

FlowmekwsFL900

List

and verify that you have received all equipment, including the

call

shipment, please

the OMEGA

Customer Service Department.

container and equipment for signs of damage. Note any

,.Y___ ,

---

following (quantities in parentheses):

evidence of rough

han-

-

The carrier will not honor damage claims unless all
removing contents, save packing material and carton in the event reshipment is necessary.

Ava ilab le Mode ls (G

FWOlG

suffix

FL902G

R903G
FL904G
F1904P
fWO6G
FwO6P

Fl.908G
FWO8P
FL91OG
FL911G

FL91 2G
FL913P
FL915G
FL915P
FL917G
FL917P

-

ribbed-guided floats;

0.64

2.25

5.20

12.60

34.50

10.00

33.60

65.00

132.00

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

2. 7

10.2

20.8

98.5

41 .o

101.5

59. 0

350.0

shipping material is saved for

-

P suffix

7

41

18
13

110.
6

24

3 0
6 0

-

-

-

-

-

-

-

pole-guided floats)

/r

1
l/2”

1’
1’
1’

l-1/2”
l-1/2”

2”

2”
l/2”
1/r

1”

l/2”

l-1/2 ”
l-1/2 ”

2”

2@

300
300
250
250
250

150
150

125
125
30 0
30 0
25 0
25 0
150
150
125
125

inspection.

After

examining and

20
20
20
20
20
30
30

3 0
3 0
2 0
2 0
2 0
2 0
3 0
3 0
3 0
3 0

20”
20”
20”
20
20 ”
25”
25”

25”
25”
2 0
20”
20”
20 ”
25 ”
25”
25 ”
25”

Installations

This

is important information. Read carefully before beginning work.

1.

Make sure your pressure, temperature, fluid and other requirements are compatible with the meter.

2.

Select a suitable location for installation to prevent excess stress on the meter which may result from:

a.

b.

C.

d.

e.

CJS0595MAl29A

Misaligned pipe.
The weight of related plumbing.

“Water

valves.
Thermal expansion of liquid in a stagnated or valve isolated system.

to be drained when not in use.)
Instantaneous pressurization which will stress the meter and could result in tube failure.

Hammer ” which is most likely to occur when flow is suddenly stopped as with quick closing solenoid operated

(it

necessary, a

surge chamber should be installed. This will also be useful in pressure start-up situations.)

(IF

necessary, install valving which will allow the meter

3.

4.

5.

6.

7.

8.

Cleaning

1.

2.

In closed thermal transfer or cooling systems,
and contraction and possible fluid leaks at the threaded connections.

Handle the meter carefully during installation.

a.

Use an appropriate amount of Teflon tape on external
threads before making connections. Do not use paste or stick
type thread sealing products.

the

Install the meter vertically with

No piping runs are required.
Connections:

Fittings are fully rotatable.

a.
b.

Flowmeters with stainless fittings hove dual ports (vertical and
horizontal). It is recommended that horizontal fittings be used
whenever practical. This will allow float stops and float (or
Roar and guide assembly) to be easily removed from the tube
for in-place cleaning (see Figure 1).

Flowmeters with plastic fittings have vertical ports only.

C.

Flowmeters

d.

plumbed vertically (2 ”
provide optimum meter operation.

Flowmeters
misaligned pipe are not factors.

Flowmeters with plastic fittings must be installed so that fittings are not made to support any part of the associated plumbing.
Clamps mounted to a bulkhead or panel can be used to hold the meter securely at both ends.

Flowmeters used in gas service should have suitable valves plumbed in at the inlet and outlet of the meter. These valves should be
no more than 1

required to prevent floot bounce. It should be set initially and then left alone. The inlet valve should be used
es. Depending on the installation, valves may not be essential, but they are most useful in many installations. Remember to get a
correct reading of flow in gas service. It is important to know the pressure right at the outlet of the meter (before the valve).

If the tube is

Remove the float stop retainers, and carefully withdraw the float and guide assembly from the tube. The tube is now fully accessi-
ble for cleaning with

stops when tubes have pole-guided floats.) The guide and float assembly

meant to be disassembled.) To reassemble,
float stop with
tor tool. Remove and replace the Teflon tape on the plugs. Replace plugs in end fittings.

If the tube is ribbed (i.e. fluted or beaded),

Remove the inlet float stop retoiner screws and gently pull the
stop out of the cavity. Then remove the top float stop in the same fashion. The tube is now ready for in place cleaning (as indi-
cated above).
of the fitting.
glass tube.
the threaded

step on the outlet float stop assembly. Change the Teflon tape on the plugs and reinstall.

*

Do

**

When installing float/guide assembly make certain that the end of the guide fully engages the inlet

used in liquid service above 100 GPM should be

with stainless steel fittings will support

l/2

pipe diometers from the meter ports. The valve at the outlet should be used to create back pressure as

-

taper

plain

threaded

When refitting the

Use caution as the float enters the tube.

When the

float stop retainer holes.

not use cleaning agents

(has a pole-guided float) thread the extractor tool onto the threaded guide extension in the outlet fitting.

a

bottle brush and an appropriate mild soap solution*. (It is normally not necessary to remove the inlet float

holes, insert and thread the float stop retainers into the fitting. Tighten them down.

flwt

inlet port at the bottom.

NPT).

and inlet stop are reinserted in the meter rotate the extractor tool to line up the float stop dimples and

is will create less restriction and

Th

float

and stop assembly make certain the float is not damaged by the threads on

Reinsert the retainer screws and tighten. Disengage the extractor tool.

that will damage float, tube or O-rings.

install the meter in the cool

Several

feet of pipe as long as significant vibration or stress resulting from

carefull

y guide the float assembly back into the tube. ”

remove the

bottom plug.

The tube will be easily damaged if a cocked float is forced against the

pipe

Roat

stop from the fitting cavity. Use care. The float will follow the

side of the

e

?

?

muy be cleaned with the same fluid. (This unit is not

Thread

the extractor tool onto the float stop assembly.

line to minimize meter

0

?

m

Figurm

1. Installation Diagram

up the dimples on the

Line

expansion

for

Disengage the

throttling purpos-

the side port

Repeat this last

float

before retainer screws are replaced.

extrac-

stop

mu=

may

?

FL900 Series flowmeters hove O-ring

SGOIS.

Use with incompatible fluids will

O-rings

cause

b

s&l

Ai&

glass tubes to fail.

used

?

Glass tube

flowmeters

200°F (93°C).

?

Extra caution must be exercised when flowmeters are used in high pressure
tars

should be installed at the cylinder and at the inlet of the meter.

.

Serious property damage

should not be

Flowmeters

can be used in air

and

great personal

with strong or hot alkalis,

service

up to 220°F (104°C).

injury

could occur as the

&urines,

cylinder

gas

result

of a meter misused or used in an

acid,

oppiications.

steam

hydrofluoic

or water

Pressure

above

regulo-

unsuitable application

based

pressure and temperature ratings are
and on the design of individual models. This information is supplemented by
stainless enclosures must never be operated without shields securely in place.
such as those created by certain chemicals, excessive vibration or other stress inducing
suggested maximums.

Never operate
that all meter installations utilize an appropriate pressure relief valve
tions of these devices should be such that

equipment and serious personal

injury.

working around flowmeters in service.

on a study of the engineering data for particular materials used in construction

flowmeters

flowmeters

A lwqs

use suitable safety

may

We

destmctive

Flowmeten

above pressure and temperature maximums.

and/or rupture disc.

cannot be overpressurized. Meter

gear,

including OSHA approved eye protection when

pass along chemical compatibility

test resulk. Flowmeters with
exposed to difficult environmenk

factors

could fail at or below the

It is strongly recommended

The pressure settings and loca-

failure

could result in damage to

information

that has been published by

the manufactures of raw materials used in our products; however this information should not be construed as a recommen-

dation made by OMEGA Engineering, Inc. for a specific application.

flowmeters

These

flowmeter

suitability for use with

are not specifically recommended for service other than

fluids.

other

Specifications

ti%

Accuracy:

Repeatability:
Scale:
Wetted Parts:
Maximum Temperature:

COMeCt iO IIS:

WARRANN

OMEGA warrants this

give satisfactory service for a period of 13
Warranty adds an additional one

product

OMEGA ’s customers receive maximum coverage on

malfunction, it
Service Department will issue an Authorized Return

phone or

defective it will be repaired or replaced at no charge.
VOID

being damaged as a result of excessive corrosion; or Current.

vibration; improper specification: misapplication:

tions outside of OMEGA ’s control. Components

bY

Navarthalaas

ba as

RANT IES
EXPRESSED OR
RANTIES

NESS
TlON

siva

basad

otharwisa

which

tial.

Every
however, OM

uons

from the use of the products in accordance with the

manual.

SPECIAL CONDITION: Should this equipment be
tion or
any liability or damage whatsoever arising out of the Use

manner.

warranty

written

the unit shows evidence of having been tempered

if

misuse are not warranted. These include contact

spmcifb

OR

INCLUDING ANY WARRANTY OF

FOR A PARTICULAR PURPOSE ARE

UASIUTY:

OF

and tha total liability of OMEGA with

on contract.

shall not ??xcaod tha

liab’ility

incidental or

pracautlon

EGA

or errors that may appear nor assumes

unit to

be free of defects in

to cover

muet

be returned to

request. Upon examination

to offer ??uggeations glad OMEGA is

OMEGA only warrants

and fraa of

REPRESENTATIONS

is

basad.

for

ENGINEERING, INC. neither assumes

EXCEPT

romadias

Tha

wananry,

spatial

eccurec.Y has bean taken in the

nagliganca,

In no

damagme.

indemnifv OMEGA and hold

WIII

activity, purchaser

montha

(1) month grace

hsndling

the factory for

that

dafasts.

OF A

IHAT

IMPUED.

of punhasar sat forth

purchasa

avant

shall OMEGA

of full scale

*l%

25omm

(10”)

316 Stainless Steel, EPR O-rings; borosilicate glass

(93’C)

200°F

FNPT

rnEteriIlS

and workmanship and to

purchaw.

Of

f!om

date

pertpd

shipptng

and

each

evatuation.

by OMEGA.

on

tha

OMEGA MAKES NO OTHER WAR

fARI

miStJ%3

which,waar or

pOmts.

tha

pa-

NY

n -

OF

MERCHANTASSJTY

HERESY DISCLAIMED.

ra#W

indamniflcation.

prlca

Preparatipp.of

liability,for

in

or with used

nor!al

to.the

Thts

time.

product

If

OMEGA ’S

number

ui?t

if

the

thts

HOW?Ver,

wnh

Or shows evidence of

haat.

Or other

which

fuses.

and

VdOrn

ifS

U#O Of

mWufacWad

WHATSOEVER,

KIND

A l.l

AND

harain

this

to

strict

componant

of tha

liabla

for

k

raspdnslbtllhl for any

anv damages

lnformatlon

any

OMEG!

aqulpment

the

of

OMEGA

yeu

(11 om

ensures that

unit

should

the

Cuetomar

trr!n!ediately

IS

pperating

IMPLIED WAR

are

OrdW.

contained in the

nuclear

harmless from

upon

found to be

WARRANTY

moisture or

condii

are damaged

triau.

prod-.

bv

it will

AND

Fll-

UMllA-

? ??

x&@

whathar

upon

sonsoqlwn-

this manual:

omis-

that result

instella-

In

such a

is

MrH(

A”T”ORmD
TO
~~end O ll e l-l Y~ .

orliibility

water or air. The user must determine

Servicing USA and Canada: Call OMEGA Toll

Unibd

hrvicing

uwr.ntv

*II

AVOtD

PROCESSING

Eumpez

REl ’“RN

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RHIJRN

and

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NUMBER

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Kingdom

ldeptmw44(lk5s)2855m

LE96m.~

REQUESIS

reqwstllinquirie~

PRODUCTISI

ANY Depertmant BEFORE

OMEGA ’S

FRO,4

a”ie,,ad

to the

repair

CUSTOMER

n -

AR Mt.AYSl. The

Free

Sales

and Distribution Center

PAx44wm283912

/

INQUIRIES

OMEGA ENGINEERING Customer Service

TO OMEGA. PURCHASER MUST

SERVKE DEPARTMENT

~d ‘ed

b.

the”

she”td

on

tb

IIN

outli&

OSTAlN

AN

ORDER

of the

M2209/0595