Horizontal or Vertical Fire Pump Set with Diesel or Electric Engine
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
1.Diesel Engine Pump Specs
Max flow: ≤400m3/h
Highest head: ≤150m
Highest temperature: IS≤80 IR≤120
Allowed suction pipeline pressure is 0.3Mpa, the highest using pressure : 1.06Mpa/
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 Deutz,and Other China brand engine(Shangchai,Yuchai,ec.) and it consists of alternator, started motor, fuel system, lubricating system, exhaust system, etc.
2.Electric motor pump and Jockey pump
The electric pump is Horizontal End Suction Pump,we also can choose Split Case 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.
3.Controller Information
The 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.
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FAQ
1. Q: are you trading company or manufacturer?
A: Shanghai Pacific Pump Manufacture (Group) Co.,Ltd. is a large-scale manufacturer located in Shanghai China with nearly 30 years manufacturing experience, with floor area nearly 120,000sqm.
2. Q: Could you introduce your workshop or factory?
A: our factory facilities include casting, machining, lathing, heat treatment, assembly, testing, etc. You are welcome to visit us at any time.
3. Q: How is the price of your products?
A: Our price is based on Exw Shanghai factory, and we insist on high quality to realise long term cooperation.
4. Q: What if the pump or spare parts have problem during the operation?
A: we'd need you provide description of the problem, and send necessary pictures or videos. We will study and provide our solution immediately.
5. Q: We don't know how to select the proper model, could you help us?
A: Yes. please tell us your detailed requirements including liquid to be pumped, flow rate, head, etc. our engineers'team will calculate and suggest the model proper model for you.
If you have other questions, please don't hesitate to contact with us :)
Company Profile
Shanghai Pacific Pump Manufacture (Group) Co.Ltd. is one of the leading pump manufacturer in China,specializing in manufacturing centrifugal water pumps, submersible pumps, fire pumps, water supply system and control panels with various and complete specifications. The headquarter of Pacific Pump is located in Shanghai. We have four factories for pumps and motors located in Shanghai and Wen Zhou city.
Our factories in shanghai covers 67,000 square meters and we have more than 1000 employees, including more than 30 senior and intermediate professional technicians. We own more than 300 sets of advanced production and inspection equipment to manufacture products of various categories and specifications. Our company is a member of China Pump Industry Association and National Pump United Distribution Association and also a supplier of CNPC and SINO PEC.
"Not to be the largest, but to be the best, taking science and technology as priority, devoted ourselves to the work" is our tenet. We sincerely hope to cooperate with new and old customers from all over the world to gain mutual benefits.
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