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CDM CDMF Multistage Centrifugal Pump Vertical Multifunctional

1set
MOQ
RMB 5,210.00 /set
Price
CDM CDMF Multistage Centrifugal Pump Vertical Multifunctional
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Features
Specifications
Protection Grade: IP55
Insulation Grade: F
Standard Voltage: 50Hz :3X380V
Flow Rate: 5m3/h
Lift: 124m
Speed: 2900rpm
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CDM Multistage Centrifugal Pump

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CDMF Multistage Centrifugal Pump

Basic Infomation
Place of Origin: CHINA
Brand Name: MEI-AL
Model Number: CDM 5-20
Payment & Shipping Terms
Packaging Details: Export Stander Packing
Delivery Time: 80-90days
Payment Terms: T/T
Supply Ability: 1set/two month
Product Description

CDM CDMF 50Hz Light vertical multistage centrifugal pump

一.Foreword: 

  CDM/CDMF series is a new generation of high-efficiency non-self-priming vertical multistage centrifugal pump independently developed with reference to European standards.The product adopts a new industrial design,with energy saving, low noise,environmental protection,compact structure,beautiful appearance ,light weight,easy to use and maintencance,high reliability,etc.

 

二.Operating conditions:

Thin,clean,non-inflammable and explosive without solid parties,fiber or liquid with physical and chemical properties to water.

Liquid temperature:

1.Normal temperature type:-15.C--70.C

2.Hot-water type:-15.C--120.C

Ambient temperature:The highest is +40.C

Height:The highest is 1000m

 

 

三.Applicaton:

 CDM/CDMF is multifunctional product with a wide range of applications,it can transport all kinds of water including industrial liquid and different meida,applicable to different temperature ,flow and pressure ranges.CDM is suitable for non-corrosive liquid.CDMF is suitable for light corrosive liquid.

Arch water:Water plant filtrantion,transport,zoned water supply ,main pipe pressurization,secondary water supply for high-rise buildings.

Industrial liquid transportation:Cooling burial,boiler water supply and condensation system,manchine tool support,acid and clkali.

HVAC:Air conditioning system

Water treatment:Ultrafiltration system,reverse osmosis stystem ,distillation ststem,separator,swimming pool.

 

四.Cure conditions:

The following description applies to the cure shown below:

 

  1. All cures are based on the measured value of the motor at a constant speed of 2900rpm or 2950rpm.
  2. Cure tolerance comforms to grade IS 0996:2012,3B
  3. Test uses 20.C air free water with kinematic viscosity of 1mm2/s.
  4. Refre to the performance range of the bold cure for the use of the pump to prevent overheating caused by too small flow and motor overloand caused by excessive flow.

五.Model meaning:

CMD/CDMF1.3,5,10,15 and 20​:

CDMF10-2:

  1. CDM:Light verrical multistage centrifugal pump
  2. F:The overflow part is stainless stell 304 or 316L
  3. 10:Rated flow(m3/h)
  4. 2:Progression

CDM/CDMF 32,42,65,85,120 and150:

CDMF32-3-2:

  1. CDM:Light vertical multistage centrifugal pump
  2. F:The overflow part is stainless stell 304 or 316L
  3. 32: Rated flow(m3/h)
  4. 3: Progression
  5. 2:Number of small impeller

​CDM/CDMF 200:

CDMF200-4-2A-B:

  1. CDM: Light vertical multistage centrifugal pump
  2. F: The overflow part is stainless stell 304 or 316L
  3. 200: Rated flow(m3/h)
  4. 4: Progression
  5. 2A:1 small impeller B
  6. B:2 small impeller A

六.Maximum ambient temperature,height:

  When the pump operates at ambient temperature greater than 40 ° C or height greater than 1000m,as poor cooling effect due to low density ,the motor power transmit power p2 will decrease.When the pump operate in the above situation,the motor power need to be increased.

 

七.Minimum inlet pressure:

  If the pressure in the pump is lower than the vaporization pressure of the delivered liquid,it maybe cause cavitation.To avoid cavitation ,ensure that there is a minimum pressure at the inlet slde of the pump.

Calculate according to the following formula:

H=Pb*10.2-NPSH-Hf-Hv-Hs

Pb=barometric (bar)

(barometric can be set to 1 bar)

In the closed system ,Pb is closed system(bar)

NPSH=Net Positive Suction Head

It can be read from the possible maximum flow of the pump on the npsh curve.

Hf=Inlet pipe (m)

Hv=Vaporization pressure (m)

Hs=Safety margin=Minimum 0.5m faucet

If the calculated H is positive,the pump can oprate at the maximum.

If the calculated H is negative,there must be a water head with minimum inlet pressure H.

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