1.Product Introduction.EDJ series is a packaged fire pump
set,generally an automatic fire water supply system It consists of
a main pump (driven by an electrical motor),stand by pump (driven
by diesel engine) and a jockey pump.This model comes equipped with
a separate controller,or one that is attached to the skid,The
package also contains discharge valves,common header,and
accessories. 2. Working Principle Generally the
pipeline network's pressure is between the low pressure P1 and the
high pressure P2.When the above pressure is lower than P1,the
pressure maintaining pump will start automatically and not stop
until the pressure rises gradually to P2.Due to the pipeline
network's leakage,its pressure will drop to P1 gradually,and then
the pressure maintaining pump will start automatically again.with
such a repeated process,the pipeline network's pressure is
maintained between P1 and P2 all the time.when the pipeline
network's pressure can't be maintained between P1 and P2 (for
instance,when the water consumption increases a lot) and drops to
the minimum pressure P3,the electric pump will start automatically
and the pressure will rise to Pw and meet the need for fire water
supply,if the mains supply is power-off or the electric pump
fails,the pressure will continue to drop from P3 to the ultimate
pressure P4.then the diesel pump set will start automatically,and
the pressure will rise to Pw and meet the need for fire water
supply.the electric or diesel pump shall be stopped manually after
human judgment (except automatic switching ). 3.Each pump
information(E+D+J) & Controller Information Diesel engine pump
Specs Diameter of pump outlet:DN80-800mm Pump flow range
:Q≤11600m3/h Pump lift head range:H≤200m Pump working
pressure:P≤2.5Mpa Pump working temperature:T≤105°C Pump working
voltage:U=380V,6kV,10kV The diesel engine is fixed on the
base with anti-vibration rubber pads and the pump is directly
coupled to a diesel engine through flexible coupling, According to
the power output of the engine the electrical system,the diesel
engine can be Cummins,Deutz,Perkins and Other China brand
engine(Shangchai,Yuchai,ec.) and it consists of alternator, started
motor, fuel system, lubricating system, exhaust system, etc.
4, Electric motor pump and Jockey pump The electric pump
is Horizontal Split Case Centrifugal Pump,we also can choose end
suction pump and horizontal multistage pump,just as per client's
pump specs requirement. The motor is squirrel cage industrial
type and foot mounted suitable for 3 phase, with required hose
power rating. The Jockey pump specs will be choosed as per
Diesel engine & electric motor pump specifications. 5,
Controller InformationThe common controller is fabricated from mild
steel and epoxy powder coated to red color. The enclosure id IP 54
rated and having all the required controls complying with the
applicable standards (NFPA).Manual starting: If set up for
the"Manual"position with the black 2# three-way switch on the
control panel mode,That you can use "Manual" start button and
"Manual" stop button to control diesel engine pump start or stop.
when the black three-way switch to the"stop"position,diesel pump
can't work.Automatic starting: If set up for the"Auto"position with
the black three-way switch on the control panel mode,it will
receives an effective fire alarm signal to control diesel pump
start or stop. Through the pressure controllers on the common
outlet pipe to achieve pressure control.first, use two 1" 1.5
square signal lines to connect between the pressure controller
normally open contacts and the control cabinet's terminal No. 111
and 127. then, set a low-value and high-pressure for pressure
controller to achieve low-voltage to start pump and high-pressure
to stop pump. Last,if the electric main pump is overload,the diesel
engine pump will start. 4.FAQ 1.Q: Are your company
is trading company or manufacture?A: Shanghai Pacific Pump Group
Co.,Ltd. is a large professional manufacture for more than 18 years
in china,and produce with their own
factory.2. Q: What's your factory workshops?A: Our factory
produce include casting,mechanical process,lathe process,heat
treatment,assembly,and
test,etc.
Warmly welcome to visit & test our factory any time.3. Q: How
about your pumps price?A: Our price is factory price,and insist
high quality for long-term cooperation.4. Q: How to do if the
pump or parts have operation problem within your warranty?A: Tell
me details timely,and show me pictures,we will send you solution at
once without any hesitation.5. Q: We don't know which pump
model we need,can u help us?A: Yes,pls tell me your detail
requirement,include liquid,flow rate,head,etc.and our engineers
team will calculate &
select most suitable pump model for u,offer pump solution for u./*
March 10, 2023 17:59:20 */!function(){function s(e,r){var
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