installation &
operating instructions
Series 4300, 4360 and 4380
Vertical in–line pumps
9
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.
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?
warranty
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.
installation layouts
fig. 2.1 Hanger supported pipe mounted.
fig. 2.2 Pipe mounted supported at ceiling.
fig. 2.3 Discharge elbow for minimum footprint.
fig. 2.4 With additional pipe supports.
Hangers support the weight
of the filled piping, pumps
and fittings
Pipe hanger
(typ.) See
specification
for size and
type
System outlet
System inlet
Recommended field
pressure gauge piping
arrangement
Suction guide
Drain connection
2' or 3'
height above
finished floor
Flo-Trex valve
Pet cock
(typ.)
Flush line
Split
coupler
Recommended
field pressure
gauge piping
arrangement
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.
Suction
guide
Drain connection
Hangers support the weight
of the filled piping, pumps
and fittings
System outlet
System inlet
Split coupler
Pipe hanger (typ.)
See specification
for size and type
Flo-Trex valve
Flush line
Pipe support
Drain connection
Recommended field
pressure gauge
piping arrangement
Neoprene
isolation pad
Suction
guide
Hangers support the weight
of the filled piping, pumps
and fittings
System outlet
System inlet
Split
coupler
Pipe hanger (typ.)
See specification
for size and type
Flo-Trex valve
Flush line
2' or 3'
height above
finished floor
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