Offer List

  The series JM mechanical diagram metering pumps adopts cycloidal-pin wheel reducer.The pump head materials include engineering plastics and stainless steel.Maximum discharge pressure is 1.3MPA.Capacity ranges from 90 to 1500 I/h.Accuracy for capacity ranges from 90 to 1500I/h.Accuracy for capacity adjustment is ±5%.Turndown ratio is 1:10 .The pump is an ideal chemical feed system and water treatment equipment,widely used for various corrosive liquids and water treatment in chemical,electric power,environmental protection,and public works.

  SD Double Casing PumpCapacity ranges from 200m3/h to 500m3/h, head from 1000m to 2700m,suitable for descaling of rolled steel, boiler feed,and hydrocarbon transfer at normal atmospheric temperature.

  Hi-pressure self-balance multistage centrifugal pump series have four kinds of casing structure:the sectional,the volute type double casing,the double casing type with drawout inner casing and rotor,and the horizontal split single casing,which take the lead in domestic self-balance multistage centrifugal pumps area,widely used to transfer corrosive solutions in oilfield water injection,steelwork descaling,oil transfer,hi-pressure boiler feed,petrochemical product,and nuclear power plant.CQPI possesses a good reputation with the long-term operation of offered pumps in many steel corporations,ocean oil platform and petroleum chemical devices like Anshan Steel Corp.,Wuhan Steel Corp.,CNOOC,SINOPEC,etc. Opposed arrangement of impellers can realize the self-balance of axial force and radial force,and non-contract spiral seal almost eliminates wear-and-tear parts.Those pumps have unique structure,high reliability and adaptability,in particular suitable for operating conditions which change frequently.Capacity:120-600m3/h,pressure up to:30 MPa. ZDS Descaling pump capacity ranges from 60m3/h. head from 800 m to 2700m, suitable for descaling of rolled steel.oilfield water injection ,boiler feed etc.   

  Zdp Axially Split Single Casing PumpCapacity ranges from 60m3/h to 400m3/h, head from 600 m to 1500m, suitable for oilfied water injection, chemical products, light oil transfer , etc. 

      High-pressure decaling system with model SD pump or model ZD pump as main machine, integrating pump, valve, compressor, decaling box, pipeline and high/low voltage electrical equipment by which all equipment and devices in the pump station can be centrally controlled and interlocked. Use of advanced technologies, including hydraulic speed regulation, variable frequency speed regulation, remote monitoring of operation status, and failure diagnosis, obtains a systemic integrity of mechanical, electron and instrument, machine, and realizes the supply of system in full sets. CPIC possesses the advanced technology and ripe experience in undertaking the turnkey contract of complex installation including design, fabrication, installation, commissioning of system and technical training. These decaling systems can be found in more than 90% iron & steel enterprises, become the preferred products for steel industry.   1.General descriptionModel SD pump,a high-pressure double casing multistage centrfugal pump,features unique design,high reliability and applicability,offers many advantages over other type of centrifugal pumps in the field of being especially suitable for special duty which changes frequently,was designed specially for high-pressure descaling in steelworks,high pressure water injection for oilfeld and oil transferring,and boiler water feeding,etc.   Model SDS high-pressure descaling pump transfers soild-liquid state medium in which soild content is up to 8%.   Model SDZ high-pressure water injecting pump handles returned unclean injection water or corrosive liquid.   Model SDY crude oil transfer pump delivers crude oil containing water and sand.   Model SDG high-pressure boiler feed pump tranfers liquid with temperature up to 120℃.   SD pump went through long time operation in large-scale steelworks and offshore oil platform in our country as Anshan,Wuhan,Baoshan and Panzhihua steelworks,and China Offshore Oil Platfom.Mean failure free operation period has been up to 30000 hrs,having high reputation.   The rotating direction of pump is clockwise when viewed from the prime motor. 2.Structure Features   With symmetrical design of impeller parts,axial force of each stage of impeller is canceled each other.Tremendous thrust in pumping chamber can be self-balanced without balance plate or drum device.This makes a breakthrough at the stucture design bottleneck of conventional centrifugal pump for which the operation duty range is narrow and shaft breaking is difficult to avoid under large fluctuant duty.   The inner casing emerges a 180°symmetric double volute passage.If the duty point deviates from the design point,the radial forces produced in pumping chamber are canceled and self –balanced via the double volute passage,achieving smooth operation and extremely low vibration quailty .the design is suitable for the weak foundation and poor rigidity site,especially offshore oil platform.   The pump was designed with thrust bearing at the end, which can,when sudden change of system duty takes place,bear unexpected huge axial force to protect the pump from being damaged,showing mulitple reliability design concept.   The pump is firm and durable,and runs smoothly with low noise.  

  Chongqing Pump Industry Co.,Ltd. Possesses the license for design and fabrication of classes 1,2 and 3 hi-pressure pressure vessels(single layer and more layer structure),have an ability to supply about 10000 t various pressure vessels with diameter from φ300 toφ6000㎜ in which a single vessel may reach 150t.Main products are middle/high pressure storage tanks, heat-exchanger, reactor, agitator tank, tower and so on,widely used in large-scale chemical plant,steelworks,petroleum hydrogenation and catalyst cracking,fine chemical and some other industries.

  Model 3D horizontal motor-drive triplex plunger reciprocating pump is mainly used not only for petrolume,chemical industry,light industry and machinery industry for handling corrosive liquid and hi-temperature liquid,but also for synthetic ammonia chemical tertilizer factory for handling cuprammonia.It can be used as a power pump of middle or small sized hydraulic press and moundling press,a force lift pump for oil field,hydraulic cleaning pump for foundry and a descaling pump for shipbuilding works.The hi-temperature pump handles liquid less than 150℃. Manufacturing standards:(GB/T9234-199orAPI674)capacities ≤500 m3/h, pressure ≤63 MPa, pumping temperature ≤200℃,suitable for transferring corrosive or non-corrosive liquids, widely used for decaling system of medium and large-scale steelworks; delivering methylamine, liquid ammonium and copper-ammonia; hydraulic cleaning of casting; oilfield water injection, acid injection; also used as power pumps of water hydraulic press and block press; featuring high efficiency, smooth operation, long service life, and being easy to maintain.

  <p>&nbsp;</p> <div>Metering pump is classified as plunger type and diaphragm type, covering 25 frame series and more than 4000 specifications. Capacity ranges from 0.2-3000L/h, maximum discharge pressure up to 50Mpa, fluid temperature from 90-450 <span>degree Celsius, and viscosity up to 6000square millimeter/s.</span></div> <div><span>Metering pump is widely used in petroleum, chemical industry, power plant, metallurgy, environment protection, pharmacy, food, national defense and so on. And it can be developed into special purpose metering pump such as electric control, pneumatic control, variable speed and frequency, Hi-temperature, hi-viscosity, suspension, liquefied gas, plastic pump-head and double head types.</span></div>

  <p>&nbsp;</p> <div>For diaphragm pump,the reciprocating plunger deflects the diaphragm through volumetric displacement of hydraulic fluid to realize the suction and discharge of fluid by means of suction and discharge valves.Diaphragm totally separates the metered fluid from the environment and the hydraulic liquid. Diaphragm rupture signaling prevents the pumped and hydraulic fluids intermixing in case of diaphragm rupture.Under all operation conditions,the rupture of diaphragm is reliably signaled and the pump driver may be shutdown. The pump returns to normal after replacing the ruptured diaphragm.</div> <div>Chongqing Pump Industry Co.,Ltd.is an enterprise authorizede by the state of developing and manufacturing the nuclear safety class 2 pumps.The top products among the nuclear safety class 2 pumps,the charging pump/the HP safety injection pump and the hydrotest pump which are developed by CQPI,mark CQPI's stepping toward catching up with and surpass the advanced world levels of pumps for nuclear power station,and creating the favourable condition for realizing the domestization of nuclear safety class 2 and class 3 pumps.</div>

  Metered flow may be infinitely adjusted by stroke length over the range of 0-100% or pump speed contrlo,while standstill or running.Remote or automatic operation can be realized by means of electric or pneumatic control device. AC converter or seed regulating motor may obtain the adjustment of stroke length plus stroke frequency, or the low pump speed,meeting the demands for process flow.??

  For diaphragm pump,the reciprocating plunger deflects the diaphragm through volumetric displacement of hydraulic fluid to realize the suction and discharge of fluid by means of suction and discharge valves.Diaphragm totally separates the metered fluid from the environment and the hydraulic liquid. Diaphragm rupture signaling prevents the pumped and hydraulic fluids intermixing in case of diaphragm rupture.Under all operation conditions,the rupture of diaphragm is reliably signaled and the pump driver may be shutdown. The pump returns to normal after replacing the ruptured diaphragm.

  Hydraulic diaphragm pumpsThe company has accumulated decades of rich experience in design,fabrication and service of reciprocating pump which ,since its successful manufacture of the first hi-pressure triplex reciprocating pump in 1955,has now developed the reciprocating pump into of 15 frame series and of more than 500 specification,offering maximum power to 1400kw,and possessed many patented technologies.  The hydraulic diaphragm metering pumps was begun to be developed and produced in the middle of the 1960s,and exported to Romania,Albania and other countries in the end of the 1960s.   The hydraulic diaphragm pump was developed out of the triplex reciprocating pump and diaphragm metering pump in the end of the 1990s and has been now evolved to series of products.This series of products are horizontally single-acting piston reciprocating diaphragm pumps .With the diaphragm which totally separates the pumped fluid from the piston,sealing ring and cylinder bush is greatly prolonged for delivering high abrasive pulps.The pump is designed with oil compensating limit device,double-diaphragm type rupture signaling,even flowing without depositing and special combined valve set for abrasive product containing solids liable to deposit and corrosive fluids.The pump set features reliable and smooth operation,durable vale set and diaphragm,ease of maintenance.In this series of products,the lower speed diaphragm pumps are used for hi-temperature,highly abrasive and/or corrosive ore pulps liable to settle and containing big solids (size≤8㎜,content up to 75%)at the temperature≤200%,coal pulp,iron slag in nonferrous metal industry wet-process metallurgy and coal chemical industry;and the intermediate speed pump for sewage,corrosive and non-corrosive solutions in recovery of petroleum,electric power and chemical industries,etc.   The triplex diaphragm pump,single-cylinder diaphragm pump and multiplex pump in line are available for different applications,offering capacities from 2 to 800m3/h and the maximum working pressure up to 20 MPa.

  Chongqing Pump Industry Co.,Ltd.is an enterprise authorizede by the state of developing and manufacturing the nuclear safety class 2 pumps.The top products among the nuclear safety class 2 pumps,the charging pump/the HP safety injection pump and the hydrotest pump which are developed by CQPI,mark CQPI's stepping toward catching up with and surpass the advanced world levels of pumps for nuclear power station,and creating the favourable condition for realizing the domestization of nuclear safety class 2 and class 3 pumps. For diaphragm pump,the reciprocating plunger deflects the diaphragm through volumetric displacement of hydraulic fluid to realize the suction and discharge of fluid by means of suction and discharge valves.Diaphragm totally separates the metered fluid from the environment and the hydraulic liquid. Diaphragm rupture signaling prevents the pumped and hydraulic fluids intermixing in case of diaphragm rupture.Under all operation conditions,the rupture of diaphragm is reliably signaled and the pump driver may be shutdown. The pump returns to normal after replacing the ruptured diaphragm.

  Hi-pressure self-balance multistage centrifugal pump series have four kinds of casing structure:the sectional,the volute type double casing,the double casing type with drawout inner casing and rotor,and the horizontal split single casing,which take the lead in domestic self-balance multistage centrifugal pumps area,widely used to transfer corrosive solutions in oilfield water injection,steelwork descaling,oil transfer,hi-pressure boiler feed,petrochemical product,and nuclear power plant.CQPI possesses a good reputation with the long-term operation of offered pumps in many steel corporations,ocean oil platform and petroleum chemical devices like Anshan Steel Corp.,Wuhan Steel Corp.,CNOOC,SINOPEC,etc. Opposed arrangement of impellers can realize the self-balance of axial force and radial force,and non-contract spiral seal almost eliminates wear-and-tear parts.Those pumps have unique structure,high reliability and adaptability,in particular suitable for operating conditions which change frequently.Capacity:120-600m3/h,pressure up to:30 MPa.

   The self balance multistage centrifugal pump developed in- dependently by our company was revolutionized in its structure,has no need of balance disc or drum for counterbalancing the axial force,and offers safer and more reliable operation condition,without frequent displacement of balance device,wear-and-tear and failure of mechanism,and steam friction which would take place in the traditional centrifugal pump.Adoption of the patented technologies for hi-pressure self-balance sectional centrifugal pump(Patent No.:ZL03.2.351.1)and ni-pressure multistage pump combined seal (Patent No.:ZL03.3502.X)increases more technical superiorities.This type of pump is widely used for delivering water containing up to 5%wt solids of grain size less than 0.2mm and media similar to water in physical property in such applications as petrochemical medium transfer the descaling of hot rolled steel, water injection of oilfield,crude oil transfer,chemical product,boiler feed,mine drainage,coal mining,etc.2,Structural featuresOpposed impeller arrangement provides permanent axial hydraulic balance without balance disc or drum,and the bearing set bears transient axial thrust and residual axial force due to the avoiding the shaft breaking and other serious faults resulting from failure of the balance device due to fluid containing solids or steam friction at high-temperature.This makes the pump operate smoothly and reliably under any extreme operating conditions.

  Hi-pressure self-balance multistage centrifugal pump series have four kinds of casing structure:the sectional,the volute type double casing,the double casing type with drawout inner casing and rotor,and the horizontal split single casing,which take the lead in domestic self-balance multistage centrifugal pumps area,widely used to transfer corrosive solutions in oilfield water injection,steelwork descaling,oil transfer,hi-pressure boiler feed,petrochemical product,and nuclear power plant.CQPI possesses a good reputation with the long-term operation of offered pumps in many steel corporations,ocean oil platform and petroleum chemical devices like Anshan Steel Corp.,Wuhan Steel Corp.,CNOOC,SINOPEC,etc. Opposed arrangement of impellers can realize the self-balance of axial force and radial force,and non-contract spiral seal almost eliminates wear-and-tear parts.Those pumps have unique structure,high reliability and adaptability,in particular suitable for operating conditions which change frequently.Capacity:120-600m3/h,pressure up to:30 MPa.