DJL Diaphragm Metering Pumps With high qualities

DJL Diaphragm Metering Pumps With high qualities

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

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.

Q: What are the uses and precautions of magnetic pumps?: Notice of use:1. prevent particles from enteringHas the ferromagnetic impurities and particles into the magnetic actuator and bearing friction is not allowed.The transport of crystallization or precipitation of the medium to the flushing (after pumping water, poured into the pump cavity drained after running 1min), in order to ensure the service life of bearing.The transport medium containing solid particles, the pump flow tube inlet filter.

Q: What is a gear pump for?: Oil pump casing wearIt is mainly the wear of the floating sleeve hole (the normal clearance between the gear shaft and shaft sleeve is 0.09~0.175mm, and the maximum shall not exceed 0.20mm). The gear work is affected by the pressure oil, the gear tip is close to the oil pump casing, and the low pressure chamber part of the pump body is worn. Another kind of wear is the circumferential wear of the work surface in the shell. This kind of wear is mainly caused by the addition of oil which is not clear, so the oil without impurities is necessary.

Q: Variable flow pumps are variable pumps: Variable input speed, the pump out of the flow is variable, it can not be said that it is variable pump.In a word。 A variable pump is a variable displacement pump.

Q: What are the characteristics of a pipe shield pump?: Two, reverse circulation type of shielding pump, its bearings, lubrication, cooling and motor cooling fluid flow direction and the basic type is the opposite. The main characteristic of reverse circulation pump is that it is not easy to generate cavitation. It is suitable for conveying liquid which is easy to vaporize. Sometimes it is also called "easy to vaporize" type. Three, high temperature medium temperature of up to 450 degrees. The cooling water jacket is usually added outside the shielding motor, and a cooling sleeve is added to the outer circulation pipe to cool the high temperature circulating liquid to reduce the temperature of the motor and the bearing. In the case of less power, some manufacturers do not use cooling liquid, but the outside of the motor is equipped with fins and the special winding to adapt to the working conditions, the use of temperature generally can not exceed 400 degrees.

Q: Advantages and disadvantages of centrifugal pumps?: Centrifugal pump; advantages and disadvantages:(1) advantages:The structure of the pump is simple and compact, and the centrifugal pump has small area, light weight, little material consumption and high cost for the foundation. Therefore, the cost of manufacturing and installation is less.For high speed operation, the 2 pole or 4 pole motor can be directly connected. The drive structure is simple and easy to install.

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: Is the centrifugal pump large or small?: Centrifugal pump, the smaller the better the cavitation.1, centrifugal pump cavitation less, anti cavitation performance is better, the pump cavitation is called the necessary cavitation margin or pump inlet dynamic pressure drop, the smaller the better. Generally speaking, the pump cavitation is the need for cavitation, the pump inlet pipe said effective cavitation margin, that is, the device cavitation margin. For a given pump, at a given speed and flow rate required NPSH is called pump necessary NPSH, also called NPSH, is required to achieve the performance parameters of the pump cavitation, the internal flow and the centrifugal pump is composed of pump head itself, its physical meaning is that liquid drop in pump inlet pressure part degree, is to guarantee the pump cavitation does not occur, with surplus energy exceeds the vaporization pressure head at the inlet of the pump unit weight of liquid. The cavitation must be independent of the device parameters. It is only related to the parameters of the inlet of the pump. These parameters are determined by the geometric parameters at a given speed and flow.

Q: Suction stroke and lift of water pump: The absorption process is also called the "largest self-priming height" (also can be understood as "the degree of self suction). Micro pumps do not add water at the circumstances, can automatically water suction pump up the maximum height (the vertical distance from the pump to be pumped from the mouth of pumping liquid).Generally lower than the water pump positioned equal when there is self-priming pump required capacity. For example, outdoor tourism, need to extract the water in the river, with the best micro pump self-priming ability (impossible to people ran to the river water inlet pipe with water. It) or pumping the liquid corrosion, easy to add water and so on occasions.

Q: Centrifugal pumps for normal operation, is it reasonable to install valves on their inlet lines? Why?: Unreasonable, easy to produce throttling loss, pressure loss, pressure reduction, easy to cause cavitation

Q: What is the difference between an air pump and a water pump?: Pump performance of technical parameters are flow, suction, lift, shaft power, water power, efficiency, etc.; according to the different principles of work can be divided into volume pumps, vane pumps and other types. Displacement pump is to use its studio volume changes to transfer energy; vane pump is to use the rotating blade and water interaction to transfer energy, there are centrifugal pumps, axial flow pumps and mixed flow pumps and other types.

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