DJL Diaphragm Metering pumps With high qualities

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Shanghai
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Min Order Qty:
1 unit
Supply Capability:
500 unit/month

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Packaging & Delivery

Packaging Detail:Export Carton Box
Delivery Detail:7 days after received the payment

Specifications

DJL Diaphragm Metering Pump 
Widely used in petroleum, 
chemical industry, electric power, metallurgy, mining,

 

Product Description

 

Flow:0-120 lph

 

Pressure: 0-10Bar

 

Power: 60W, 50/60Hz

 

Drive System: 2 or 3 phase motor,

 

400V or 110V motor

 

Protection Degree: IP55

 

Flow Control: Manual operation

 

 

 

Material

 

Pump head: SUS304, SUS316, PVC, PTEF

 

Diaphragm: PTFE

 

Valve: SUS304, SUS316, PVC, PTEF

 

Valve ball: ZrO2, SUS304, SUS316, Ceramic

 

 

 

Work Condition

 

Envitonment temperature: -30°C --- 60°C

 

 

 

Package

 

Material: Carton

 

Measurement:36 x 25 x 30 cm

 

Gross Weight:

 

 

 

Technical Parameter

 

 

 

Model

Flow  (lph)

Pressure (Bar)

Stroke (mm)

Frequency
 (min-1)

Diaphragm Diameter  (mm)

Power (W)

Caliber (DN)

DJL10/10

10

10

3

75

60

60

6

DJL20/10

20

10

3

120

60

6

DJL40/8

40

8

4

120

60

6

DJL60/6

60

6

4

100

84

10

DJL80/5

80

5

5

100

84

10

DJL100/4

100

4

5

120

84

10

DJL120/4

120

4

5

150

84

10

 

Using reliable quality motor,380V or 220V or direct current machine is optional.

 

 

 

Features

 

1.Very high safety of operation. Mechanical actuate diaphragm. Changeable eccentric drive

 

2.Power off seal,no leakage,with security delivery device,simple maintance

 

3.It can transport high-viscosity mediums, corrosive liquid and dangerous chemical goods.

 

4.The flow can be controlled via adjusting the length of stroke or the motor frequency.

 

5.The diaghragm is made from multilayer complex structure to promote the life span, the first layer is Teflon anti-acid diaphragm, the second is EPDM stretch rubber, the third is 3.00 mm thick SUS304 that supporting the iron corn. The fourth is also the EPDM stretch rubber to cover all of the body.

 

 

 

Purpose

 

Widely used in petroleum, chemical industry, electric power, metallurgy, mining, shipbuilding,light industry, agriculture, national defense department and etc. 


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Q:How many kinds of pumps are available and the operating principles of various pumps?
There are many kinds of pumps. There are different classifications according to different standards. If classified according to the principle of work, can be broadly divided into the following four categories:1, vane pumps: centrifugal pumps, axial pumps, mixed flow pumps, vortex pumps, etc.;2, displacement pumps: piston pumps, piston pumps, diaphragm pumps and so on;3, power rotary pump: screw pump, gear pump, etc.;4 、 special function: jet pump, water hammer pump, magnetic drive pump, etc.;
Q:Rotary vacuum pump does not meet the requirements of vacuum, what are the reasons?
1) oil rotary vane vacuum pump is too low, no effect on the oil seal exhaust valve, rotary plug to refuel after large exhaust sound, and oil mist, that the level is too low, the gas can be eliminated.(2) the vacuum caused by the condensable steam pollution of oil should be changed, and new vacuum pump oil should be replaced.
Q:How do vacuum pumps and pumps work together?
Vacuum suction principle of self suction pump:Assuming that the pump connected with the water inlet of a sealed container, the container has plenty of water, since the start of a water pump, water is thrown out of the water impeller pump body, water inlet seal vessel due to the extraction of water to form a vacuum cavity, this assumption will be connected to vacuum cavity and exposed to atmospheric conditions of water, water at atmospheric pressure under the effect of entry into the vacuum chamber".
Q:Fire pump and shower pump flow head selection, high resolution.
2, the volume is greater than 10000 is less than 25000, the minimum water consumption of indoor fire hydrant is 15L/s
Q:Roots pump and dry pumpRecently, the work involved in the vacuum pump, do not understand this, is a ads602 vacuum pump
Here the roots pump and dry pump must be used, because the roots pump is not used alone, and must be a stage vacuum pump (pre vacuum pump can be dry pump, water ring vacuum pump and rotary vane vacuum pump can be, you here with dry pump series)
Q:What is the pump delivery? What's the difference between years and years?
First of all, as a student majoring in insurance, I strongly condemn the first floor of ignoring practice and trampling on real knowledge!!The insurance industry criticized a lot, but it is required for many people, we should face and try to maintain the healthy development of the industry, the first floor of the insurance you have not done, have no contact with the insurance, insurance, not to dictate the nonsense, more should not be here misleading!
Q:What is the minimum continuous flow of a pump?
The minimum continuous steady flow can be obtained by test and, in general, the pump supplier will indicate(2) minimum continuous heat limited flow (.API) provides minimum continuous heat limit flow, which means the minimum continuous flow that the pump can maintain and that its operation is not impaired by the temperature rise of the liquid being pumpedMinimum continuous heat limited flow can be calculatedIn the formula, the Pe amount of the fixed axis power is.KW;P pump medium density, kg / m3;
Q:How is the pump level of submersible sewage pump determined?
Generally as:The bottom elevation of sump sump plus 300 is the water level of pump stopThe top 300 of the sump top elevation is the pump water level
Q:Why does the centrifugal pump close the pressure to start?
The motor power is selected according to the rated flow of shaft power points plus 15 to 25%, if the outlet valve is fully open to start, the pump flow may deviate from the amount of fixed lot, pump efficiency also reduces a lot, resulting in shaft power greater than the motor power caused by tripping even burned electric machine.
Q:Water pump dead center lift
Should shut down the valve bar, reduce the flow to increase the point of the head, it is best to adjust within the best range of work, otherwise it is easy to cause the current is too large, burning the motor

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