This paper describes in detail the types of centrifugal pumps classified by working medium, such as pumps can be divided into clear water pump, boiler feed pump, hot water circulating pump, condensate pump. Pump can be divided into general-purpose pump, cold pump, hot pump, liquid hydrocarbon pump, slurry pump. Corrosion-resistant pumps can be divided into corrosion-resistant metal pumps, non-metallic pumps, impurities pump. And detailed the characteristics of each pump. Type Features Pumps Pumps The most commonly used centrifugal pumps, cast iron pumps, packing sealed boiler feed pump 1, the pump pressure is high, requiring the flange connection to ensure the tightness 2, should prevent the pump inlet cavitation, flow components Should be used corrosion and electrochemical corrosion resistant materials 3, to prevent uneven temperature deformation caused by hot water circulation pump 1, the suction pressure is high, the temperature is high, requiring reliable pump strength 2, the packing box at high pressure, high temperature, should Consider the decompression and cooling 3, such as the use of suction end cantilevered, due to the axial thrust, requiring reliable condensation of the pump bearing 1, the cavitation pump performance requirements are high, often using induction wheel or increase the diameter of the impeller entrance and Width of the method to improve the cavitation pump performance 2, the pump operation prone to cavitation, overcurrent components sometimes use cavitation-resistant materials (such as cemented carbide, phosphor bronze, etc.) 3, stuffing box at negative pressure should be prevented Air intrusion pump Universal pump 1, the oil is often flammable, requiring good pump sealing performance, often using mechanical seals, explosion-proof motor 2, the pump material and structure should be considered decay and wear 3, in order to ensure continuous and reliable pump operation, should take special measures such as cooling, sealing, flushing and lubrication of cold oil pump viscosity> 20mm² / s (20cSt), should consider the impact of viscosity on the performance of the pump Heat pump 1, should be considered The thermal expansion of the various components, if necessary, take insulation measures 2, the flow of components using high temperature materials 3, the first stage impeller suction performance requirements 4, bearing and shaft seal to be cooled 5, open the pump should be preheated Thermal oil circulation to heat up the pump, the general temperature of the pump should not be lower than the inlet temperature of 40 ℃) Liquid hydrocarbon pump 1, the pump suction pressure is high, should ensure that the pump body strength and tightness 2, the first stage impeller inhalation. [Buy] Set of wells to enhance pump [Purchase] machine seal, bearings [Procurement] Circulation pump [Purchase] Motor [Purchase] Booster pump [ Purchase】 chemical pump ã€Purchase】 vertical multi-stage pump ã€Purchase】 carbon steel electrode ã€Purchase】 screw pump Previous: Comparison of different types of metering pump features Next: Centrifugal pump classification list var cpro_id = "u2852961"; Special recommend Superiority and main purposes of the resistance Chi single screw pump Quality plunger pump enterprise "beachhead battle" is in full swing Shanghai Shenfu plastic industry new benchmark Valve Market Analysis: Valve market turnover of up to 150 billion 2018 Xiamen International vending machines and self-service products Exhibition Venue - Time Related Articles Products Guide Technical Interpretation Media Focus Exhibition Information Valve Market Analysis: Valve market turnover of up to 1,500 billion 2018 Xiamen International vending machines and self-service products Exhibition Venue - Time of holding · Valve Market Analysis: Valve The market turnover of up to 150 billion yuan · 2018 Xiamen International vending machines and self-service products Exhibition Venue - Time of the organizers 2018 Xiamen Smart Retail Terminal Conference Location - Time - Sign up Contact - Participation Fee · About Asia Fluid Network 2018 Spring Festival Holiday Notice · Olsen Pump Industry - Chinese national brand of industrial pumps: large-diameter diesel self-priming sewage pump technology to fill gaps in the domestic · Olsen pump audit by the Sinopec audit, the official became the long-axis pump, such as Sinopec procurement of materials suppliers 2018 Kunming Beauty Expo Registration Contact - Location - When organized · Beauty Expo 2018 Kunming location - organizing time - Registration Contact - Wuhan Beauty Expo 2018 participation fee Registration Information - Location - Wuhan Beauty Fair 2018 held in time and where? · 2018 Wuhan US Fair registration contact information - Venue - time 2018 Wuhan US Fair where? · 2018 Wuhan US EXPO venue - Registration Contact - Time - Participation Fee · 2018 Wuhan US EXPO Registration Contact - Location - Time - Participation Fee · Analysis of water ring vacuum pump advantages and shortcomings of water ring pumps · Analysis of magnetic pump failure Analysis and solutions · 2018 Jinan US Fair venue - Time - Registration Contact - Participation Fee 2018 Zhengzhou US Fair Venue - Time - Registration Contact - Exhibition Costs Person Interviews Corporate News Industry Research Exhibition Style Chengdu speed up the construction Expo Ecology Circle Strive to Create a Hundred and Thousand Industry in 2020 Xinhua News Agency Issues Interview with Yao Rui, Curator of China Pavilion in Astana Expo · Chengdu Speeds up the Construction of Ecology Circle in the Exhibition and Strives to Forge A Thousands Billions Industry by 2020 · Xinhua News Agency Interview with Wang Ruixu, Curator of China Pavilion, Astana EXPO · Interview with Wang Dongxu: "Huizhan Exhibition" is dedicated to providing "Intelligent Information" services for the exhibition · Interview with Pan Jianjun: Miao Convention & Exhibition to create "upgraded version" · Northeast Light Alloy Company Casting Plant Yang Haifeng: Casting quality dreams of East Light new technology · Exclusive Interview with Fei Fei general manager Zhu Longwei: Pump also need to keep pace with the line · Young technicians bravely take the burden Think about the design of vibration mold was successful · Wheel motorists: transformation and upgrading need forward-thinking thinking Olsen Pump - China's industrial pump national brand: large-caliber diesel engine since Suction sewage pump technology to fill the gaps In the pump through the audit of Sinopec audits, officially became the long axis of the pump and other material procurement suppliers · Olsen pump - the national brand of industrial pumps in China: Large-diameter diesel self-priming sewage pump technology to fill Domestic gaps · Olsen pump industry audit by the Sinopec audit, the official became the long axis of the pump and other material procurement suppliers · 7 contained a strong rise of innovation Chiafei pump Qiaotuo diaphragm market · Independent research and development of chemical fiber pump industry in Shanxi by carbon fiber pump Break the monopoly of technology in Europe and the United States rooted in high-concentration brine electrodialysis process Liaoning Yi Chen Mead Tim green industrial water treatment · Secret Hualing superhard latest R & D products: casting grinding tools · blue collar environment: to seize the high technology of environmental protection equipment manufacturing · generous technology to enter Ammonia escape monitoring market peak return valve market analysis: the valve market turnover of up to 1 500 billion yuan What is distributed photovoltaic? 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Coal Oil Branch of the roof of the gas plant required procurement of exhaust - Tender Notice Procurement of Roots Blower National Weighing Metering Technology Committee recently released "non-automatic weighing general technical requirements" Exposure Draft National Pressure Metering Technology Committee released the "double-piston pressure vacuum gauge verification procedures," Draft for Consultation · Ministry of Environmental Protection issued "Key Basin Water Pollution Prevention and Control Plan (2016-2020)" · "People's Republic of China Environmental Protection Tax Law" will be 2018 January 1 formally implemented · Detailed Explanation "about accelerating the development of environmental protection equipment manufacturing industry guidance," What are the implications? · Ministry of Industry and Information Technology "Guiding Opinions on Speeding up the Development of Environmental Protection Equipment Manufacturing Industry" Full Text · National Time and Frequency Regulatory Commission Issues "Standard for Calibration of Pulse Distribution Amplifiers" Draft for Opinion · SAWS Issues 13th Five-Year Work Safety Standards Involving a total of 362 · Heilongjiang issued "on the classification of good job of garbage" notice · National Weighing Measurement Technology Committee recently released "non-automatic weighing instrument general technical requirements" draft for comment 2018 Xiamen International vending machines and self-service products Exhibition Venue - Time 2018 Xiamen Smart Retail Terminal Conference Venue - Opening Hours - Contact Information - Exhibitor Fee * 2018 Xiamen International Vending Machine and Self-service Products Exhibition Venue - Opening Hours · 2018 Xiamen Smart Retail Terminal Conference Venue - Opening Hours - Contact Information - Exhibitor Fee · 2018 The thirteenth western boiler heating ventilation and air conditioning and refrigeration equipment exhibition · 2018 The 14th Huabei boiler HVAC equipment exhibition · IE expo 2018 The 19th China World Expo · 2018 Kunming Beauty Expo Registration Contact - Venue - Organizing Time · 2018 Kunming Beauty Expo Venue - Organized Room - Registration Contact Information - Participation Fee 2018 Wuhan Beauty Expo Registration Contact - Location - Time of the Organization Popular Tags Fluid Machinery Original Call for Papers _ Contributing to the headline is so simple _2016 China Yiwu International Equipment Fair ã€2017 Exhibition Info】 Exhibition 2017 _ Domestic and international exhibition information summary Thanksgiving 10 years, 10 times the return_Chinahourly Internet 10 years Thanksgiving special feedback 2016 Xiamen 98 CIFIT and China International Investment and Trade Fair not only the Olympic gold medal , 2016 Rio Olympic Fluid Mechanics Escorting 2016 (2nd) Innovations in China's Internet and Industrial Integration Summit 2016 Shanghai Pump Pipe Valve Exhibition - Phase 5 of Anshun Industrial Development Park Industry Center Construction Project Large-Scale Procurement 2016 Seventeenth China Shanghai World Expo _ Topic 2016 Xiamen Industry Fair _ 厦门 å·¥ åšä¼š _ æµä½“ 机械 网 Special Report March 8 International Women's Day _ Tribute to the elite women in the industry Focus on the 2016 Beijing Petroleum Exhibition (cippe2016) Vane pump slide Valve pump big move solution Variable piston pump common fault Wear-resistant decay resistant liquid pump A novel pump: multi-stage pipeline pump can not Generation of pumps: electric diaphragm new look: self-priming centrifugal pump to solve the selection of sewage submersible pump trouble chemical pump a full range of energy-saving pump pneumatic double diaphragm failure solution to a comprehensive interpretation of high-pressure centrifugal pump water pump technology a comprehensive analysis of fire pump Engineering Plastics diaphragm pump teach you how to use the standard pumps of different types of single-stage single-suction centrifugal pump introduced Today, users concerned about the valve market analysis of micro-lubrication self-service retail terminal pressure reducing valve oil and gas lubrication oxygen special valve three comprehensive test chamber trace oil Fog Lubrication Plasma Cutting Soot Treatment Plasma Purifier Solder Soot Purifier Biomass Boiler and Coal-fired Boiler Dust Collector Vacuum Isolation Shut-off Valve Low Temperature Angle Shut-off Valve DC Fluorine Shut-off Valve Fluorine Angle Shut-off Valve Female Thread Stop Valve UV Photovoltaic Purifier Alloy Steel Shots MQL Copyright & Disclaimer Asia Fluid Network All rights reserved worldwide by law, all information that is readable and visible on this site is protected by intellectual property law, and no entity or individual is authorized by us Do not conduct business on behalf of the Company and all its websites business activities. 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Chengdu to speed up the construction of the exhibition eco-circle and strive to form a multi-billion industry in 2020 Xinhua News Agency published an interview with the executive director of the China Pavilion Astana EXPO Yao Rui Interview Media Focus Exhibition Information Product Guide National Environmental Chemistry Metrology Technical Committee released "Mining Hydrogen sulfide gas detector, "the test procedures for micro-plastic pollution control breakthrough draft advice artificial intelligence nano-machine implantation will likely lead to a wave of unemployment · Yichang City, issued in 2017 soil pollution prevention and control work points · Ministry optimistic about the prospects of environmental protection equipment industry is expected to 2020 The output value will reach trillion · 34 provinces in 8 provinces set off the autumn and winter of 2017 "Blue Sky Battle" · National Environmental Chemistry Metrology Technical Committee released the "mining hydrogen sulfide gas detector" verification requirements Draft · Shandong want to vote 5.3 billion construction 353 Hazardous waste disposal project · breakthrough in micro-plastic pollution control · Development and Reform Commission for non-residents of urban water out of new regulations · the State Council promulgated the "Notice on the Third National Land Survey" · artificial intelligence nano-machine implantation will likely lead to a wave of unemployment · New hydraulic pump can work at 1400 ℃ will be used for solar hair · Stanford recently successfully developed ultra-cheap batteries instead of lithium-ion batteries · Jiangxi introduced measures to control the whole industry chain of rare earth REA crack down on illegal activities · "People's Republic of China Environmental Protection Tax Law" January 1, 2018 release "China Ambient Air Quality management evaluation report (2017) "released a lot of PM2.5 decreased significantly ·" Soil Pollution Control Law "is about to start second trial soil repair market bullish 2018 Xiamen International vending machines and self-service products Exhibition Venue - Time 2018 Smart Retail in Xiamen Terminal Conference Venue - Time - Register Contact Us - 2018 Kunming Beauty Expo Registration Contact - Venue - Time 2018 Xiamen International Vending Machine and Self-service Products Exhibition Venue - Organizing Time · 2018 Xiamen Smart Retail Terminal Conference Venue - Time - Registration Contact - Exhibitors Fees 2018 The thirteenth Western Boiler Heating Ventilation and Air Conditioning and Refrigeration Equipment Exhibition · 2018 The 14th North China boiler HVAC Equipment Exhibition · IE expo 2018 The 19th China Central Bo Will · 2018 Kunming Beauty Expo Registration Contact - Venue - Organizing Time · 2018 Kunming Beauty Expo venue - Time - Registration Contact - Participation Fee 2018 Wuhan US Fair Registration Contact - Location - Time 2018 Wuhan Beauty Expo where? · 2018 Wuhan Beauty Expo venue - Registration Contact - Time - Participation Fee 2018 Wuhan Beauty Expo Registration Contact - Location - Time - Participation Fee · 2018 February US International Water Treatment Environmental Exhibition · February 2018 Mexico Industry Manufacturing Exhibition · 2018 February India International Machine Tool and Molding Equipment Exhibition · February 2018 Turkey International Pump Valve Water Treatment and Air Conditioning and Refrigeration Exhibition JY-Q201 ultrasonic rubber cutter working principle Fine concrete mortar pump Features Which? 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