8.
system cleanliness
• Before starting the pump the system must be thoroughly
cleaned, flushed and drained and replenished with clean
liquid.
• Welding slag and other foreign materials, Stop Leak and
cleaning compounds and improper or excessive water
treatment are all detrimental to the pump internals and
sealing arrangement.
• Proper operation cannot be guaranteed if the above
conditions are not adhered to.
installation layouts
fig. 2.1 Hanger supported pipe mounted.
For application with no suction guide, straight pipe of a length
equivalent minimum 4 times its diameter for 1.5-6" pumps and 6
times diameter for 8" to 12" pumps will be required.
fig . 2 . 2 Pipe mounted supported at ceiling.
Hangers support the weight
of the filled piping, pumps
and fittings
System inlet
Recommended field
pressure gauge piping
arrangement
Suction guide
Drain connection
Pipe hanger
(typ.) See
specification
for size and
type
System outlet
Split
coupler
Flush line
Flo-Trex valve
Pet cock
(typ.)
2' or 3'
height above
finished floor
Series 4300, 4360 and 4380
Vertical in–line pumps
note:
Particular care must be taken to check the following before
the pump is put into operation:
a
Pump primed?
b
Rotation OK?
c
Lubrication OK?
d
Pipework properly supported?
e
Voltage supply OK?
f
Overload protection OK?
g
Is the system clean?
h
Is the area around the pump clean?
warr anty
Does not cover any damages to the equipment resulting from
failure to observe the above precautions. Refer to Armstrong
General Terms and Warranty sheet. Contact your local
Armstrong representative for full information.
fig . 2 .3 Discharge elbow for minimum footprint.
Hangers support the weight
of the filled piping, pumps
and fittings
System inlet
Recommended
field pressure
gauge piping
arrangement
Suction
guide
Drain connection
fig . 2 . 4 With additional pipe supports.
Hangers support the weight
of the filled piping, pumps
and fittings
System inlet
Recommended field
pressure gauge
piping arrangement
Suction
guide
Drain connection
Neoprene
isolation pad
insta l la tio n &
o per ating instr ucti o n s
9
Pipe hanger (typ.)
See specification
for size and type
System outlet
Split coupler
Flush line
Flo-Trex valve
Pipe hanger (typ.)
See specification
for size and type
System outlet
Split
coupler
Flush line
Flo-Trex valve
Pipe support
2' or 3'
height above
finished floor
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