Models
i285O.SER|ES
12860-SERIES
..
Description
.._
Nitrilelmp€ller
Nitri e lmpeller
Shaft:
SELF.PRTMING
PI'MPS
DESIGN
FEATUFES
3l6StainlessSteel
3
11,
Shaft
Seal: Cabon-CeramichceType,Nitrile
Bearings: Carbon
Model 12850-Se.ies-
%
NPT
Model r2860-Series
-
1" NPT
Model
r2850-Series
-
3% lbs11,7
ks)
Mod€l
12860-Series
-
5 7, lbs
{2,5
kg
)
12850-0001
12850-0003
12860-0001
12860-0003
NOTE:
Carbon / Carpenier 20 seal available
as a
spare
parr,
APPLICATIONS
Deslgn€d asa lowcosl
p!mpfol|
tfansfers, circulation, spi l
retufns, filtration and filling line
use. Easily handles
pure
so utions,foaming
liquids, emulsions, suspended
solids,
gels
and ferments. Because the
p
aslic
pump
is resistant to
corrosion and metallic
contanination, it is widely used for
pumping photo
chemicals,
plating
compo u nds, lab solutio ns,
pharmaceutic6ls,
cosmetics, weak
acids, alkalies, liquid
fertilizers, inseciicides,
dyes, detergenis, waxes
and many
SeetheJabsco
Chem ica I Resistance
Ta b le
(availabte
upon
request from ITT
Jabsco). lt has
been
prepared
to hetp
you
select the most s!irable
impeller and
pump
materlal.
OPERATING INSTRUCTIONS
1. INSTALLATION
Pump may bemounted inanyposil
on.
The roiaiion ofihe
pump
shaft determinesthe localion ol
the
p!mp
s intake and discharqe
ports
Fefer to dimen.
s onai drawl.g. Before
staning, turn the
pump
shafl
nthe
direction of the operating rotaiion.
2. DRIVE
-
Belt or Direct with flexible coupl n9
NOTICE: Do not
press
a
pllley
or couplins on the shaft
withoutsupportlngthe
shaftto
prevent
its movement rnto
the impeler
bore.
BELTDRIVE- Overrightbe r
oadw,ll
reduce
pump
bearing
life.
DIAECT DBIVE Clearance
shou d be left between drive
shaft and
pump
shaft when instaltins
coupling Aways
Jnounl
pump
and a ign drive
shafr before iightening the
couplrng
set screw.
3. SPEEDS
-
100 nPM
to the maximum
shown rn rne
pedorm€ncetable.
For
longer pump
life,
operate
al
lowest
possible
speeds.
4
SELF^PRIMING- Prirnes
at low or high speeds. Forvertical
dry
suct of lft of l0 feel,
a
minimum
of 800 RPM
is
rcqu red. Pump
wil
produce
suction lifts
up to 22 feet
wh€n
we(e.l BE
SURE SUCTION LINES ABE
AIRTIGHT
OR PUMP
WLL NOT SELF.PN
ME.
5. RUNNING DBY
-
Unit depends on liquid
p!mped
for
lubrication. oO NOT
RUN
DRY FOR
MORE Tl.lAN 30
SECONDS. Lack of liquid will damage the impeller
and
other components.
6. CAUTION- Do not
pump petroleum
derivatives,solvents,
thinners.
highly concentrated
or organic acids. lf corosive
lluids are handled,
pump
life will be
prolonged
if fiushed
with wateraftereach
use oraftere.chwork
day. Consult
Jabsco
Chemical Resistance
Table in Industrial
Caralog.
For lurther inlormation
contact factory.
7. PRESSUBES
For contin uous
operation,
pressu
re
snou
ro
not exceed 20 PSI for
12850-Series
and 30 PSI for
12860'5eries.
8. TEMPERATURES Recom
m en ded tem
peratu
re range with
neoprene !mpeller45"io 180"F
(7'to82<C),
and with nitile
impeller
50' to
180"F
{10"
to 82'C)-
9. SPARE PARTS
A Jabsco Service Kit should be kept
on
hand to maintain
all but ihe most badly worn
pumps.
SELF·PRIMING PUMPS
DESIGN FEATURES
Models 12850·SERIES
12860·SERIES
Desc
ription
NeopreneImpeller
NitrileImpeller
Neoprenelmpeller
Nitrile
Impeller
Neoprene
or
Nitrile
PhenolicPla
stic
Model
12850-0001
12850-0003
12860-0001
12860-0003
Shaft: 316 Stai
nl
essSteel
ShaftSeal: Carbon-Ceramic
Face
Type,
Nitrile
Be
armgs: Carbon
Ports:
Model
1
2850-Series-
'h
~
NPT
ModeI12860-Series
-
1 ~
NPT
WeIght:
Model
128S0-Series-
3¥.lbs
(1,7 kg)
Model
12860-Series-
5'h
Ibs(2,5 kg)
Body
:
Impeller:
NO
T
E:
Carbon/Carpenter
spare parI.
20
seal
avai
labl
e
as a
APPLICATIONS
Designed
asa
low
cost
pump
for
: transfers, circulation,spill
returns, filtration
and
filling line use. Easily handles pure
solutions,
foaming
liquids,emulsions, suspended solids, gels
and ferments. Because the plastic
pump
is resistant
to
corrosion
and metallic contamination, it is
widely
used
for
pumping
photo
chemicals, plating
compounds,
labsolutions,
pharmaceuticals, cosmetics, weak acids, alkalie
s,
liquid
fe
rtilizers, insecticides, dyes, detergent
s,
waxes and
many
more.
SeetheJabsco Chemical Resistance Table (available
upon
request
from
In
Jabsco). It has been prepared to help you
selecl the
most
suitable
impeller
and
pump
material.
OPERATING INSTRUCTIONS
1.
INSTALLATION- Pump
may
be
mounted
in any position.
The rotation
of
the
pump
shaft determines the location
of
lhe
pump's
intake and discharge ports. Refer
10
dimen·
sional
drawing.
Before starting, turnthe
pump
shaft in the
direction
of
the operating rotation.
2.
DRIVE
- Bell
or
Direct With flexible coupling.
NOTICE
Do
not
press a pulley
or
couplmg
on the shaft
WIthout
supponmgthe
shaft10 prevent its
movement
into
the
impeller
bore.
BELT
DRIVE
-
Ovcnight
beltloadWill reduce
pump
bearing
life.
DIRECT DRIVE - Clearance shou
ld
be left between
drive
shaft
and
pump
shaft
when
installing coupling.
Always
mOunt
pump
and align
drive
shaft before tightening the
coupling
set screw.
3. SPEeDS -
100
RPM
to
the
maximum
shown
in the
performancelable.
For
longer
pump
life, operClleallowest
possible speeds.
4,
SE
LF
-PRIMIN
G-
Primes at
low
orhigh
speeds. Forverti
cal
dry
suction lift of 10 feet. a
mmimum
of 800
RP
M
is
required. Pump
wi
ll
produce suction lifts
up
to
22
feet
when
welted
.
BE
SURE
SUC
TI
ON
LI
NE
S
ARE
AIRT!GHT
OR
PUMP WILL NOT SELF-PRIME.
5.
RUNNING
DRY
- Unit depends
on
liq
uid
pumped
for
lubrication.
DO
NOT RUN DRY
FOR
MORE THAN 30
SECONDS. Lack of liquid
will
damage
the
impeller
and
other
components.
6.
CAUTION-
Do
not
pump
petroleum
derivatives
,solvents,
thinners,
highly
concentrated
or
orga
ni
c acids. Ifcorrosive
fluids
are handled,
pump
life
will
be
prolonged
if
flushed
w
ith
wa
ter
after
each use
or
after
each
work
day
.
Consult
Jab
sco Chemical Resistance Table
in
Industri
al Catalog.
For
further
information
contact
factory
.
7.
PRESSURES-
Forcontinuousoperation,
pressure should
nOI
exceed 20
PSI
for
12850-Series and 30
PSI
for
1286().Serle
s.
8. TEMPERATURES- Recommendedtemperature range
with
neoprene
Impeller45
Q
to
180' F
(Tt082
Cj, and
with
nitrile
impeller
50°
to
18O"F
(10"
to
82'C).
9.
SPARE
PARTS - A
Jabsco
Service Kit
should
be kept on
hand
to
maintain
all
but
the
most
badly
worn
pumps.
