• Product Description
    Company Info.
    Material:
    Cast steel
    Performance:
    Frequency conversion
    Lift:
    98 m
    Pump shaft position:
    Horizontal type
    Impeller structure:
    Enclosed impeller
    Impeller suction mode:
    Single suction type
    Flow:
    400 m3/h
    Number of impeller:
    1
    Cavitation allowance:
    1 m
    Shaft power:
    220 kw
    Suction caliber:
    250 mm
    Discharge caliber:
    280 mm
    Model:
    KQSN250-N6/356-304

    Kaiquan KQSN250-N6/356-Cr19N horizontal double suction pump production, sales and after-sales accessories, packing seal M37S2 -105
    Kaiquan Pump Group Co., Ltd. Liaoning Kaiquan, covering Shenyang Kaiquan, Dalian Kaiquan, Wafangdian Kaiquan, Pulandian Kaiquan, Jinzhou Kaiquan, Chaoyang District, Liaoyang Kaiquan, Fushun Kaiquan, Tieling Kaiquan, Anshan Kaiquan, Dandong Kaiquan, Panjin Kaiquan, Yingkou Kaiquan, etc., manufacturers all-weather after-sales service.
    Established in 1995, Shanghai Kaiquan Pump (Group) Co., Ltd. is a large-scale comprehensive pump company integrating design, production and sales of pumps, water supply equipment and pump control equipment. It has been deeply engaged in China pump industry for many years and is an enterprise oriented by technological innovation. Total assets of 7 billion yuan, in Shanghai, Zhejiang, Hefei, Shenyang, Shijiazhuang has 5 industrial parks, a total area of nearly 1000 Ding productive building surface of 350,000 square meters.

    The Group has more than 6000 employees, including 1200 engineers and technicians, mainly composed of domestic experts, professors, doctoral masters, senior engineers and senior technicians, forming an echelon talent structure with innovative thinking.
    KQSN250-M6/473/447

    The company has successively won many honors such as contract and credit enterprise, national social protection and employment advanced private enterprise, scientific and technological innovation enterprise award, small giant enterprise, national standard five-star after-sales service enterprise, etc., and has been selected as one of the top 100 national machinery enterprises and one of the top 100 Shanghai enterprises for many consecutive years.

    While committed to increasing customer added value, Shanghai Kaiquan Pump (Group) Co., Ltd. uses advanced ERP system and CRM system to control the whole order process, 23 branches, more than 600 offices, more than 200 after-sales service outlets, service network covering the whole country, implementing blue fleet service and 4-hour rapid response mechanism, responding to user needs at any time, and creating reliable products in the industry.

    Facing the future, Shanghai Kaiquan Pump Industry (Group) Co., Ltd. will continue to take leading the rise of China pump industry as its development mission, continuously deepen the technical guidance of hydraulic research and pump and water-related systems, bring high-efficiency production mode with green technology innovation, directly reduce the cost of water resource utilization, drive the energy efficiency upgrade of industrial system, fully shape national brand, and enter the top ten pump industry in the world!


    Kaiquan KQSN250-M6/473/447 energy-saving double-suction pump, impeller, mechanical seal M74S2-48 and transformation
    The company's main products, Kaiquan pump, Kaiquan sewage pump, Kaiquan KQL, Kaiquan KQW, Kaiquan energy-saving pump, Kaiquan after-sales service, Kaiquan KQSN, Kaiquan KQDP multistage pump, Kaiquan KQDQ water supply pump.
    KQSN250 is characterized by easy installation, small can be directly installed on the pipeline, without additional support. Of course, large ones definitely need to add bases, foundations, etc., they are flat in and out, easy to install, and do not occupy ground resources, saving space.

    technical specification

    4.1 System overview and associated equipment
    A75MW coal-fired water slurry steam extraction back pressure unit, 2 circulating water booster pumps, 2 closed circulating water pumps and 2 low level water pumps are installed in this phase of the project.
    Circulating water booster pump, closed circulating water pump and low-level water pump shall be arranged at 0m floor of turbine house, and the Supplier shall provide motors with corresponding protection level in consideration of site conditions.
    Operation mode: one for operation and one for standby
    4.2  Selection of materials:
    The Supplier shall reasonably select and provide the material list of pump body, main parts and accessories according to different media.
    Castings conform toJB/T6880.1~3 standard, without shrinkage cavity, porosity, crack and other defects affecting strength. Casting surface shall be cleaned by sand blasting, acid pickling or other methods.
    Circulating water booster pump: impeller cast steel; pump casing cast steel; pump shaft #45
    Closed circulation pump: impeller cast steel; pump casing cast steel; pump shaft #45
    Low level water pump: impeller stainless steel; pump casing cast steel; pump shaft #45
    4. 3  Main technical parameters of pump design conditions
    project unit circulating water booster pump closed circulating water pump low water pump
    pump type  
    KQSN250-M6/473/4473
    KQSN250-N4/497
    KQSN250-N4/497
    Pump type   Vertical centrifugal pump (dry) horizontal centrifugal pump submerged vertical centrifugal pump
    Number of equipment (whole plant)   2 2 2
    Water pump inlet medium temperature 35 44 20~100
    Pump inlet medium pressure MPa(a
    )
    0.15~0.20 ordinary pressure ordinary pressure
    medium   circulating water industrial water dewatering
    rated flow t/h 1000 650 10
    lift mH2O 20 35 50
    inlet and outlet of    
    Side entry, side exit.
     
    Side entry, side exit.
    From pump to motor, left in, right out.
    Lower inlet and upper outlet (water tank size:2 2 height: 1.5m)
    pump speed r/min 1480 1480 2950
    workpiece ratio % 82 86 27%
    shaft power kW 69.6 84 5.04
    seal type   padding padding no shaft seal
    must have cavitation allowance m 5.7 4.6 /
    Material of connector   steel tube steel tube steel tube
    Interface pipe specification(Dn×S) import   DN350 DN300 /
    exit   DN300 DN250 DN40
    interface flange
    nominal pressure
    import MPa 1.0 1.0 /
    exit MPa 1.6 1.6 1.6
    Pump weight (excluding motor) kg 672 716 380
    Kaiquan KQSN double suction pump has many advantages, the following is a detailed summary of its advantages and points:

    Technology accumulation and production capacity:

    Kaiquan has nearly 20 years of double-suction pump technology accumulation, production capacity and experience, with a variety of special requirements and important fields of pump research and development, production capacity.

    Specifications and performance:

    Complete specifications and wide coverage of flow and lift.
    Excellent hydraulic performance, cavitation performance and running performance.
    Wide and high efficiency, excellent cavitation, reliable structure.

    Product parameters:

    Speed: 990, 1480 and 2960 r/min are available.
    Voltage: 380, 6K or 10KV voltage.
    Inlet and outlet diameter: covering 150~600 mm.
    Flow range: 68~ 3975m ³/h, to meet different needs.
    Lift range: 6~180m, meet various lift requirements.
    Temperature range: liquid * high temperature 100℃, special configuration up to 150℃, ambient temperature generally 40℃.

    Material and configuration:

    Select high-quality materials to manufacture key components, such as bearings, seals and impellers, to ensure long-term stable operation of the pump.
    Imported pre-compression mechanical seal is adopted, matched with stainless steel mechanical seal sleeve, sand control and scale prevention, uniform force on the end surface, reaching API excellent product standard.

    Design and Features:

    It adopts advanced fluid dynamics design, which has the characteristics oflow energy consumption, low noise and low vibration.
    Novel and reliable structure, perfect specs and specifications, easy maintenance and long service life.

    Widely used:

    Widely used in water and urban water supply projects, irrigation, iron and steel plants and metallurgy, central heating, petrochemical plants, paper mills, oil fields, power plants and power stations, airport construction, chemical fiber plants, central air-conditioning systems, sugar factories, distilleries, chemical plants and other industrial and mining enterprises, as well as large factories, mine fire protection systems and other occasions

    After-sales service:

    Kaiquan double suction pump pays attention to after-sales service and provides comprehensive technical support and solutions for users.
    The team can provide personalized customized services according to the actual needs of users to ensure that the pump runs best.

    To sum up, Kaiquan KQSN double suction pump has become a high quality choice in the field of double suction pump by virtue of its technical accumulation, performance parameters, material configuration, design characteristics, wide application and excellent after-sales service.


     

    Name(chinese)
    上海凯泉泵业(集团)有限公司
    Name(English)
    Shanghai Kaiquan Pump Industry (Group) Co., Ltd.
    China credit code
    91310000630452482T Identity Verification
    Registered Capital
    300,000,000 CNY
    Operating term
    1996-07-16 ~ ****
    Product Category
    circulation equipmentbooster pumptap water pumpcontrol cabinetnon-negative pressure water supplychemical pump
    Company Registered Address:
    Jiading District, Shanghai City
    Address
    Jiading District, Shanghai, China
    Nearby port
    Tianjin,Shanghai,Guangzhou,Fangcheng
    Shanghai Kaiquan Pump Group is a large-scale comprehensive pump company that designs, produces and sells pumps, water supply equipment and pump control equipment in China. It is a leading enterprise in China's pump industry. Shanghai Kaiquan Pump Group has a registered capital of 120 million yuan and total assets of 1.1 billion yuan. It has 9 companies and 2 industrial parks, covering a total area of 500 acres and a productive building area of 120,000 M2. A high-quality staff team is the driving force for the continued and rapid development of Shanghai Kaiquan Pump Industry. The group currently employs more than 4700 people, and more than 70% of the employees have college degrees or above, including 368 engineering technicians, 13 nationally renowned water pump experts, 2 university professors, 5 people enjoy government expert subsidies, 22 professor-level senior engineers, and 121 masters of engineering and business. We have always been committed to environmental protection.
    Name(chinese)
    上海凯泉泵业(集团)有限公司
    Name(English)
    Shanghai Kaiquan Pump Industry (Group) Co., Ltd.
    China credit code
    91310000630452482T Identity Verification
    Registered Capital
    300,000,000 CNY
    Operating term
    1996-07-16 ~ ****
    Product Category
    circulation equipmentbooster pumptap water pumpcontrol cabinetnon-negative pressure water supplychemical pump
    Company Registered Address:
    Jiading District, Shanghai City
    Address
    Jiading District, Shanghai, China
    Nearby port
    Tianjin,Shanghai,Guangzhou,Fangcheng
    Shanghai Kaiquan Pump Group is a large-scale comprehensive pump company that designs, produces and sells pumps, water supply equipment and pump control equipment in China. It is a leading enterprise in China's pump industry. Shanghai Kaiquan Pump Group has a registered capital of 120 million yuan and total assets of 1.1 billion yuan. It has 9 companies and 2 industrial parks, covering a total area of 500 acres and a productive building area of 120,000 M2. A high-quality staff team is the driving force for the continued and rapid development of Shanghai Kaiquan Pump Industry. The group currently employs more than 4700 people, and more than 70% of the employees have college degrees or above, including 368 engineering technicians, 13 nationally renowned water pump experts, 2 university professors, 5 people enjoy government expert subsidies, 22 professor-level senior engineers, and 121 masters of engineering and business. We have always been committed to environmental protection.
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