NEW VARIABLE SPEED MULTIPUMP BOOSTER SETS LAUNCHED BY ARMSTRONG
 Armstrong
has launched a new range of packaged variable speed multipump
booster sets. The 6800 IVS series incorporates integrated frequency
converters for variable speed pumping and provides outstanding
energy efficiency, pressure control and occupancy comfort, all with
reduced system complexity, and at a lower capital cost. The range
features Soft Fill, an innovative concept introduced by Armstrong in
2007, providing a fully-automated process which reduces the risk of
hydraulic shock damage and water hammer by controlling the pump
speed to ramp up gradually to a fill setpoint.
The 6800 IVS series is ideal for buildings such as schools, hotels
and hospitals and has specific design features which make it perfect
for high rise residential and commercial buildings. Incorporating a
choice of 2, 3, 4 or 5 pumps, mounted on a stainless steel
base-frame complete with stainless steel headers, the packaged
booster sets are pre-assembled and tested off-site for quick,
trouble free installation.
A major advantage of the new range is that the intelligence for
variable speed pumping is already built-in and factory-set to suit
the building demands. The integrated frequency converters
automatically manage the staging of multiple pumps reducing the need
for additional equipment and thereby reducing capital cost. In
addition, more accurate control of pressure is possible, enabling
occupancy comfort to be optimized, whilst the automatic staging and
control of pumps ensures best efficiency operation for minimized
energy consumption.
The 6800 IVS Series features the revolutionary Soft Fill process,
introduced by Armstrong in 2007, which reduces the risk of
occurrence of water hammer associated with rapid exhaustion of air
from piping systems – for example following a mains power failure
where attempted water draw off leads to air entering the system.
Traditionally booster sets are designed to reach their target
pressure as soon as possible, but this can lead to hydraulic shock
damage in this sort of situation. Armstrong’s Soft Fill feature,
however automatically controls the pump speed in these instances and
ramps up gradually to a fill setpoint.
As pressure increases are controlled, trapped air can be released,
and water introduced to the system, in a gradual manner, without
damage to fittings. The minimum fill time can be adjusted to suit
site conditions. After initial start-up, when the system is in
normal use, the booster set reverts back to its usual working
conditions, reaching target pressures as quickly as possible.
Additional benefits resulting from these design features therefore
include minimized project risk, lower maintenance costs (through
reduced wear and tear), and reduced life cycle costs (in all areas
from lower upfront outlay to reduced running costs).
Email:
salesuk@armlink.com
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Arundel Jones Associates LLP Registered in England and Wales No.
OC330189
Hill Farm, Linton Hill, Maidstone, Kent ME 17 4AL
Tel : 01622 745333
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