Horizontal, radially split, single-stage volute casing pump CPK-D

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Product Description:

 

Design                                                      
Horizontal, radially split, single-stage volute casing pump in back                                                          pull-out design to ISO 2858, with zero-leakage hydrodynamic shaft seal,                                                         with radial single-entry impeller. Applications: handling aggressive                                                            fluids in the chemical, petrochemical and food industries, in refineries, paint shops, heavy oil and coal upgrading plants.    
Applications                                                
Particularly suitable for applications where double-acting mechanical                                                        seals cannot be used because there is no appropriate barrier fluid, and                                                         if no flushing liquid is available to feed the gland packing or if the flushing liquid must not mix with the fluid pumped.    


Overview of technical data

Type of impeller                                                                         Radial; Closed;Multi-vane impeller                    
Type of installation                                                                         Long- coupled                    
Maximum drive rating                                                                         220                         kW                    
Diffuser material (EN standard)                                                                         JL 1040; NORIDUR 1.4593;1.4408                    
Impeller material (EN standard)                                                                         1. 4408;JL 1040;NORIDUR 1.4593                    
Type of bearing                                                                         Rolling element bearings                    
Drive frequency                                                                         50 Hz / 60 Hz                    
Maximum speed of rotation                                                                         3. 500                         1/min                    
Maximum flow rate                                                                         1. 250                         m³/h                    
Maximum discharge-side pressure                                                                         25                         bar                    
Casing material (EN standard)                                                                         JS 1025; 1.4408;NORIDUR 1.4593                    
No. of impeller entries                                                                         Single entry                    
Casing material                                                                         Cast duplex steel; Cast stainless steel;Special KSB material;Nodular cast iron                    
Minimum flow rate                                                                         2                         m³/h                    
Suction characteristics                                                                         Non- priming                    
Drive voltage                                                                         Low voltage                    
eClass assignment                                                                         36410101; 36410100;36410000                    
Pull-out design                                                                         Yes                    
Pump set location                                                                         Dry installed                    
Max. permissible fluid temperature                                                                         150                         ******                    
Main applications                                                                         Industry and process engineering; Energy                    
Type of installation                                                                         Stationary                    
Type of casing                                                                         Volute casing                    
Type of lubrication                                                                         Oil lubrication                    
Type of drive                                                                         Electric motor                    
Installation position                                                                         Horizontal                    
Shaft material (EN standard)                                                                         C 45+ N                    
Type of coupling                                                                         Direct                    
Shaft seal type                                                                         Hydrodynamic seal                    
Maximum head                                                                         220, 00                         m                    
Maximum rated pressure (discharge)                                                                         PN 25                    
Minimum head                                                                         9, 00                         m                    
Nozzle position                                                                         End suction                    
Casing partition                                                                         Radially split                    


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Q:Attention should be paid to the use of pumps?
1, pump shaft packing completely worn, it is necessary to add in time, if you continue to use the water pump will leak. The direct effect of this is the increased energy consumption of the motor, which will damage the impeller. 2, the use of pumps in the course of a strong vibration, then must stop to check the reasons, or the same will cause damage to the water pump. 3 gear pump valve Water Leakage, some will use the soil into the water pump inlet tube, the water washed in the end valve, this is indeed undesirable. Because when the dry soil into the inlet pipe, when the pump started working, these dry soil will enter the pump, which will damage the pump impeller and bearings, which shorten the service life of the pump. When the valve Water Leakage must take to repair, if it is serious that it is necessary to replace the new. 4 after the use of pumps must pay attention to maintenance, for example, when the pump is exhausted, we should put the water pump who put clean, it is best to remove the water pipe, and then rinse with water. 5 water pump on the tape should also be written down, and then always flush, and then light out to dry, do not put the tape in the dark damp place. Water pump tape must not be stained with oil, not to tape coated with some sticky things.
Q:How accurate is the metering pump?
Three automatic compensation valve device widely used in diaphragm metering pump, especially with suction height requirements, can only be used by three separate Fujian (safety valve, discharge valve and oil supply valve) compensation device.
Q:Does the reservoir water heater press the booster pump (high marks)?
In addition, the water storage electric water heater has a safety valve is O.7MPa, before buying a booster pump, you can check the water inlet valve spring weakness, see the effect of water, barely even, then use it, do not buy.
Q:Water pump does not produce water, what are the reasons?
1 check whether the motor is reversed.2, to see whether the export, the entrance blocked, the outlet pressure gauge whether there is pressure.3, whether the pump selection is wrong, you can not suck up the water.
Q:What is the distance between the pump and the wall?
Mainly depends on the maintenance, installation is convenient, but there is no other requirements.
Q:How to distinguish the flow and displacement in the hydraulic pump? What's the difference between the two?
If you're allowed to spend a minute, you can do it 20 times a minute, and that is, the amount of water you sprinkle at a time (1000) is *20.1000 (ML) *20=20000 ml =20 liters, this is the flow,Here is a formula for you to see,Pump displacement * pump speed = flow,
Q:What is the relationship between the minimum suction vacuum of a pump and the required cavitation?
When the pump is working, the liquid at the inlet of the impeller, due to a certain vacuum pressure will produce steam, the vaporization of the bubble in liquid particles under the impact of movement, the impeller and other metal surface erosion, thereby damaging the impeller and other metal
Q:Because the water pressure of the booster pump is not enough, it can not work automatically. It can only be operated by hand. It is inconvenient to use.
One possibility is the automatic type household booster pump used for a period of time, automatic failure phenomenon, it is mainly stainless steel and other metal products in pipes, long-term precipitation to shut off the power supply after unloading, unscrew the top screw, remove the plastic sheet to be cleaned, and then, according to the original reset, the normal debugging. Can be re used. But that's not why if your booster pump isn't working properly all the time.
Q:Operating procedures for measuring pumps
Pressurization(1) for the discharge pressure below 2.0MPa, then the pump stroke length should gradually increase, each increase of 20%, to maintain 15 minutes.(2) for the discharge pressure greater than 2.0MPa, you need a special pressure, to ensure that the pump discharge pressure gradually increased, each time for the final row pressure of 20%.(3) when the pressure is not increased, the stroke of the pump is gradually increased by 20% strokes per time.Note (1) when pressure is applied, the pressure gauge should be observed at the side of the loading side (slow motion)(2) check ammeter, forbid overload
Q:Direct connection pump What is straight pump and non direct pump? What's the difference in structure?
Direct connected pump: pump impeller installed directly on the motor shaft, it looks like a whole, relatively compact, simple installation, but the general power is relatively small (big bad processing connection, but not absolute);Non direct pump: pumps and motors are independent of each other, through the coupling torque transmission, the structure is relatively large, complex installation, to adjust the level / concentricity and so on, the general power is relatively large

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