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China, Chinese Cr20-03 a-F-a-E-Hqqe Compact Stainless Steel Vertical Multistage Pump1 Industrial Products Supplier Manufacturer Details, price list catalog:
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Pump Vacuum EquipmentOther Pump Vacuum EquipmentWater PumpsVertical Stainless Steel Multistage Pump
Beijing Zhongping Technology Co., Ltd.
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Product Description Title:CR20-03 A-F-A-E-HQQE Multistage Pump:55kW,400V,70m3/hThe CR20-03 A-F-A-E-HQQE is a heavy-duty vertical multistage centrifugal pump designed for high-flow industrial applications.It is powered by a 55 kW,3x400V motor,delivering a maximum flow rate of 70 m3/h and a head of 51 meters.This robust pump is engineered for efficiency,complying with IE3 motor efficiency standards.It is ideal for large-scale water supply,pressure boosting,and industrial cooling systems.The pump features a stainless steel construction for durability in demanding environments.Product ParametersParameter Name Parameter ValueSeries CRModel CR20-03 A-F-A-E-HQQEType Vertical Multistage Centrifugal PumpMax.Flow 70 m3/hMax.Head 51 mMotor Power 55 kWSupply Voltage 3~400 VMotor Efficiency IE3Number of Stages 3Max.Operating Pressure 16 barInlet/Outlet Connection DN 80/DN 80Max.Liquid Temperature+120°CCasing Material Stainless Steel(AISI 304)Product FeaturesThis pump model utilizes a multistage design to achieve efficient performance at high flow rates.Its hydraulic design ensures optimal efficiency and stable operation across the entire performance curve.The vertical in-line configuration allows for straightforward installation and significant space savings.The construction primarily uses stainless steel AISI 304 for superior corrosion resistance.It includes a robust shaft and long-life bearings designed for continuous duty.Standard mechanical seals are selected for reliability with clean liquids.AdvantagesThe primary advantage is the high flow capacity combined with a compact footprint,saving valuable plant space.The IE3 premium efficiency motor minimizes energy consumption,reducing operational costs.Its durable construction ensures a long service life with low maintenance requirements.The pump offers reliable and vibration-free operation,protecting surrounding equipment.quality guarantees system availability and reduces the total cost of ownership.It provides excellent performance consistency in demanding applications.Application ScenariosThis pump is perfectly suited for main water supply systems in large industrial facilities and municipal applications.It serves effectively as a booster pump in high-rise buildings and large-scale irrigation projects.The pump is ideal for industrial process water circulation and cooling tower systems.Other common applications include water transfer in firefighting systems and large HVAC circuits.It is also used in reverse osmosis plants and for water features.The pump handles clean,non-aggressive,thin liquids like water.Usage InstructionsInstall the pump on a solid,leveled foundation,ensuring the piping is correctly aligned and supported.The electrical connection must be performed by a certified electrician according to the local wiring regulations.It is critical to prime the pump completely before the initial start-up to prevent seal damage.Install isolation valves and a non-return valve on the discharge side for safe maintenance.For systems with variable flow,a frequency converter is recommended for optimal control.Conduct regular visual and auditory checks for any signs of leakage or unusual noise.PrecautionsDry running is strictly prohibited as it will cause immediate and severe damage to the mechanical seals.The pumped liquid must be clean and free of abrasives to avoid premature wear of internal components.The operational fluid temperature must not exceed the specified+120°C limit.Always isolate the pump from the power supply before performing any maintenance or inspection.Never operate the pump with closed discharge valves for an extended period.Ensure the pump is protected from freezing conditions to prevent casing rupture.Frequently Asked QuestionsWhat is the main application for a high-flow pump like the CR20-03?The CR20-03 is primarily designed for applications requiring large volumes of water at moderate pressure.Its typical uses include main water supply boosting for industrial complexes,large residential areas,and municipal water networks.It is also highly effective for circulating water in large industrial cooling systems and for irrigation in agricultural projects.This model's high flow rate makes it suitable for water transfer duties in facilities like hospitals,hotels,and manufacturing plants.The pump can handle clean water efficiently,ensuring a reliable supply for processes and utilities.Selecting this pump is ideal when the system demand prioritizes volume over extremely high pressure.Why does the CR20-03 have only 3 stages compared to other models with more?The number of stages in a multistage pump directly relates to the pressure(head)it needs to generate.The CR20-03 is designed for high-flow,moderate-head applications,requiring only three stages to achieve its maximum head of 51 meters.Pumps with more stages,like the CRI1-11,use smaller impellers to build higher pressure incrementally but at lower flow rates.The three-stage design with larger impellers is optimized for moving high volumes of liquid efficiently.This configuration results in a different performance characteristic,making it energy-efficient for its intended duty point.The design choice balances performance,cost,and mechanical simplicity for high-flow scenarios.Is a 55kW motor suitable for direct-on-line starting,or is a soft starter needed?A 55kW motor represents a significant electrical load,and direct-on-line(DOL)starting will cause a high inrush current,potentially affecting the local power grid.While possible if the electrical infrastructure is robust,using a soft starter or variable frequency drive(VFD)is highly recommended.These devices reduce the starting current and minimize mechanical stress on the pump and piping system.A soft starter provides a controlled acceleration,extending the equipment's lifespan.A VFD offers even greater control,allowing for speed modulation to match demand and save energy.The choice depends on the application requirements and the capacity of the electrical supply system.What type of maintenance is required for a pump of this size and power?Maintenance for the CR20-03 includes regular monitoring of vibration and noise levels to detect early signs of bearing wear or misalignment.The mechanical seals should be inspected periodically for leakage,and the motor bearings may require re-greasing according to the operating hours,as specified in the manual.It is crucial to check the electrical connections for tightness and the motor insulation resistance annually.Unlike smaller pumps,scheduled maintenance by a qualified technician is more critical for this size to prevent unexpected failures.Keeping a log of all maintenance activities helps in predicting service intervals.Can this pump be used with a variable frequency drive for energy saving?Yes,the CR20-03 is an excellent candidate for use with a variable frequency drive(VFD).Given its 55kW power rating,the potential for energy savings is substantial,especially in applications with varying flow demands.A VFD adjusts the pump speed to precisely meet the system requirement,avoiding the energy waste of throttling valves.Besides energy savings,a VFD provides soft starting,eliminating water hammer and reducing mechanical stress.It is important to program the VFD to avoid operating the pump at its critical speeds where resonance can occur.This setup maximizes efficiency and pump longevity.What does the'A-F-A-E'code in the model name specify?The'A-F-A-E'segment in the model code CR20-03 A-F-A-E-HQQE is part of GRUNDFOS's detailed nomenclature system.Generally,'A'indicates a standard version or specific component type.'F'often specifies the motor power rating and frequency.The final'A-E'typically defines the combination of seal materials and other internal specifications.For precise interpretation,one must consult the official product documentation or a detailed nomenclature chart.This code ensures that the exact configuration of the pump,including materials and motor type,is clearly identified for ordering and replacement purposes.How do I ensure proper alignment during installation to avoid vibration?Proper installation begins with mounting the pump on a solid,level foundation that can absorb its weight and operational forces.The inlet and outlet piping must be supported independently so that no stress is transferred to the pump flanges when the bolts are tightened.Use a straight edge across the flanges to check for parallel alignment before connecting.After connecting the pipes,check that the pump casing is not under strain.Misalignment is a primary cause of vibration and premature bearing failure.For large pumps like the CR20-03,professional installation using laser alignment tools is recommended to achieve the highest accuracy and ensure smooth operation.What is the NPSH requirement for this pump,and why is it important?The Net Positive Suction Head Required(NPSHr)for the CR20-03 is a critical parameter that must be obtained from its specific performance curve.It represents the minimum pressure required at the pump inlet to prevent cavitation.The system's Net Positive Suction Head Available(NPSHa)must be greater than the pump's NPSHr by a safe margin,typically 1.5 meters or more.Cavitation occurs when the inlet pressure is too low,causing vapor bubbles to form and implode,which damages impellers and seals.Ensuring adequate NPSHa is especially important for high-flow pumps because they are more susceptible to cavitation.Proper suction pipe design is essential.What are the safety considerations when working with a 55kW pump?Safety is paramount due to the high electrical power and mechanical energy involved.Always lock out and tag out the electrical power source before performing any maintenance.Be aware that the pump and pipes may be hot after operation.Use appropriate personal protective equipment(PPE),including safety glasses and gloves.Follow safe work procedures when handling heavy components during disassembly.Ensure that all guards are in place before energizing the pump.Only trained and authorized personnel should operate or maintain equipment of this size and power rating.How does the performance curve help in selecting the right operating point?The pump's performance curve graphically shows the relationship between flow rate,head,power consumption,and efficiency.To select the right operating point,find the intersection of the pump's head-flow curve and the system curve,which represents the hydraulic resistance of your installation.The goal is to have this duty point located close to the Best Efficiency Point(BEP)on the curve.Operating near the BEP ensures optimal energy use,minimal vibration,and maximum component lifespan.Avoid selecting a pump that will operate far to the left or right of its BEP,as this can lead to cavitation,overheating,and premature mechanical failure.The curve is an essential tool for correct pump application..Beijing Zhongping Technology Co., Ltd. is a leading provider of industrial automation solutions, intelligent robotics, and advanced system integration services. With decades of expertise, the company has established long-term strategic partnerships with global industry leaders such as Siemens, ABB, Schneider Electric, KUKA, Yaskawa, and FANUC, leveraging their cutting-edge technologies to deliver innovative, tailored solutions across diverse sectors.Specializing in technical support, product distribution, and end-to-end engineering services-including system design, installation, commissioning, and maintenance-Beijing Zhongping Technology ensures seamless operational efficiency for clients in industries spanning automotive manufacturing, battery production, aerospace, oil and gas, chemical processing, food and pharmaceuticals, logistics, metallurgy, and heavy machinery. By harnessing its robust global supply chain network and a highly skilled technical team, the company guarantees precision-driven resource allocation, rapid response capabilities, and cost-effective procurement strategies. These capabilities empower clients to streamline operations, reduce downtime, and enhance competitive advantage in dynamic markets. Committed to excellence, Beijing Zhongping Technology remains dedicated to advancing industrial innovation while fostering sustainable growth and value creation for enterprises worldwide.Q1: What is the core business scope of Beijing Zhongping Technology Co., Ltd.?The company's business scope primarily covers comprehensive industrial robot supply chain services, industrial automation technologies and technical services, digital smart factory solutions, and hydraulic intelligent control products and services.Q2: Which brands does the company collaborate with?The main cooperative brands of the company are SIEMENS,ABB,Schneider,DELTA,WEINVIEW,MCGS,ADVANTECH,OMRON,Simphoenix,RITTAL,MOXA,ESTUN, RKC, YASKAWA, HIKVISION, FANUC, MITSUBISHI ELECTRIC, KUKA, Fuji Electric, SICK, Walvoil, CASAPPA, EATON, Bosch Rexroth Group, Parker etc.Q3: What are our competitive advantages compared to other suppliers?With our robust supply chain capabilities and global presence, we deliver faster, more efficient services. We strive to offer the best possible prices to demonstrate our sincerity and value.Q4: How long does delivery take? What about shipping costs?Delivery timelines and shipping costs depend on the specific model(s) and quantity you require. Please share your current needs with us for precise details.Q5: Can't find the model you need?We showcase only a selection of models here. If you cannot find your desired model, contact us directly for further assistance.Q6: How to contact Beijing Zhongping Technology Co., Ltd.?Beijing Zhongping Technology Co., Ltd.
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