2) Use the power of small, low noise and less heat.
3) Electrical proportional control valve and intermittent phase comparison, more streamlined system, the element is also greatly reduced.
4) does not appear the fire, it will not pollute the environment, less affected by temperature changes.
5) enables the stepless adjustment of pressure and speed, avoiding normally-on switch type valve commutation occurs when the impact of the phenomenon.
6) and hydraulic proportional valve comparison, the electrical proportional valve smaller, lighter important, and low cost, simple structure, but the disadvantage is slow in
response speed than the hydraulic system of the load change is also very sensitive.
The above is the introduction of electrical proportional valve characteristics, hoping to help you understand, if you want to know the contents of the proportional valve
repair, you can view the site related articles.
Before using the high-pressure pump dredge pipeline should pay attention to what?
1, between the high-pressure oil pump pipe cleaning, we must first check the nozzle, the nozzle to ensure that it does not appear the phenomenon of clogging.
2, during the cleaning and construction time, we need to pay attention to is the location to place the nozzle. Usually the nozzle should pipe approximately 30 cm into place,
and then the pressurization of the nozzle, the nozzle is fed into the pipeline which, in this position the placement and pressing operations are very important.
3, after completion of the cleaning work, we have even pulled out of the nozzle from the pipe, in order to avoid nozzle swinging staff harm, should the pressure of the high
pressure pump to zero as soon as possible.
Spunlace use high-pressure pump:
First, the medical aspect
Disposable surgical gowns, surgical cover cloth, surgical cloth, surgical aprons;
Wound applicator material, bandages, gauze, Band-Aid and the like;
Second, clothing such as garment interlining, baby clothes, training clothes, carnival night-time color clothes, all kinds of protective clothing such as gowns and the
like;
Third, the wipes category such as a home, yourself, beauty, industrial, medical and other dry wipes;
??Fourth, the decoration cloth such as automotive interiors, home interior, stage decoration;
???????Fifth, the agricultural class such as heat greenhouses, anti-weed growth, abundance of cloth, cloth and other pest control preservation;
Sixth, spunlace composite processing can also be used, it is possible to produce a "sandwich" type construction products, the development of new composite materials more
useful.
There are many local to watch for. So in accordance with the pressure to pick it, so what's pump selection matters watching it? Today, we look at it together now.
Pump selection methods, usually by hydraulic pressure, displacement and driving power to decide.
Required pressure (1) hydraulic pressure of the hydraulic pump pressure slightly higher than the executing agency selected the best, China's machine tool profession hydraulic
pump is usually calibrated pressure of 6.3MPa or less. For a detailed working conditions are not the same, the selected pressure pay attention to the following situation: 1) according to a
certain output power, under the same pressure and flow condition, the volume of the pump or motor should be as small as 2) With increasing pressure, the oil to heat, oil temperature
increases, valves and seals. etc. leak increases. 3) high pressure valve and transmission structure will increase, it is difficult to achieve weight reduction and miniaturization of the
pump.
(2) displacement hydraulic pump displacement based approach to the selection of actuators (hydraulic cylinders, motors) size and load demand.
(3) hydraulic pump drive power of resolution, based on the work of the hydraulic pump discharge pressure and useful to determine the oil pump drive power
??1, fuel pump method straight axis swashplate pressure cylinder power plugs from the sucking-two oil types. Pressure for large liquid-type oil pump has a pressure tank are
selected, there are also supplemented with hydraulic oil with the body of the