Damage Control Sets - Delta Pompen B.V.
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Damage Control Sets
With
reference to safety on board and the increasing control of resources to ensure
that it is available, a mobile pump system was developed by Delta Pumps.
In the case
of a small to medium leakage of water on board, for example in the (or one of
the) machine rooms of the ship, the water should be pumped overboard fast and
accurate. All of this to prevent damage to the ship, the machines or the propulsion
motors. So, Damage Control!
Because
most larger ships use divided machine rooms or compartments, which in case of
need can be separated using water locks, it is important that the pumps easy to
deploy and mobile. It should be used normal aisles, stairways as well as
emergency/fire sleeves on board. It is crucial that the pumps are compact,
handy but provide enough capacity to meet the required 100 m³/h emergency
capacity.
Especially
for this purpose Delta Pumps is researched the requirements and possibilities
on board larger vessels such as Cruise ships but also on-board Navy ships.
We have
been on board of various ships and it turned out the solution was found in
putting multiple pumps in series, each of which can give the desired 100 m³/h.
Hitting
this requirement, also at larger ships with multiple decks and long hose
distances, to the nearest service door that can be opened a high pressure is
necessary. This pressure cannot be delivered by a single pump since it would be
so big in dimension and weight that it would be impossible to handle in case of
an emergency.
Delta pumps
developed a special pump combination which exists of:
- The
first stage submersible pump placed in the water. The pump is equipped with a
suction strainer to prevent the pump from clogging up by large solids.
- The
booster pump is equipped with a "serial coupling". At this booster
pump is the suction strainer is replaced by a coupling with Storz connector
developed specifically for this purpose. Because the Weda pumps are equipped
with a water proof cooling jacket, in which the water flows along the motor
providing cooling to the electric motor, the second pump may be placed dry and
horizontally in a room, stairwell or hallway.
- The
two pumps are coupled to each other using a flat fire hose that can withstand
sea water, UV and even fuel and oil. After the second pump comes back the same
kind of hose that than to the nearest open door or porthole. By placing the two
pumps in series each pump 100 m³/h at 17 m head the total discharge pressure
reaches 34 meters! These 34 metres of pressure is enough, even for the largest
cruise ships, to pump the required 100 m³/h from the engine room to the first
open deck with the life rafts! The total length of hose is 100 meters.
- Because
no one wants to experience an emergency, but the pumps must be mobile, the
pumps are mounted on stainless steel trollies developed specifically for this
purpose. The pumps have a look that glands in with the exclusivity of the ship
and will not alert an unsuspecting passenger.
- Of
course, it is also possible to get the pumps for marine ships without the
luxury trolley.
- All
pumps are equipped with 20-meter cable and a motor protection with start/stop
switch. The pumps are available with different motors and windings from 230 V
up to 690V and available for both 50 Hz and 60 Hz frequency.
The WEDA
Damage control pumps are mandatory equipment at the biggest cruise ships and
Navy vessels. For applications on board Navy ships it is very important to know
the WEDA pumps come with a NATO STOCK NUMBER as required for Navy applications.
