Structural characteristics
-High strength casing: ZU high-pressure filters are usually made of high-quality metal materials such as stainless steel, which have high strength and good compressive performance, and can withstand high-pressure environments in hydraulic systems, ensuring that deformation or rupture will not occur under high pressure.
-High precision filter cartridge: Equipped with high-precision filter cartridges internally, common filter cartridge materials include fiberglass, metal mesh, etc. Fiberglass filter cartridges have the characteristics of high filtration accuracy and strong pollutant holding capacity; The metal mesh filter element has good wear resistance and corrosion resistance, and can be selected according to different usage requirements.
-Sealing design: Adopting a reliable sealing structure to ensure that oil will not leak under high pressure. Seals are generally made of oil resistant and high-temperature resistant rubber materials, which can maintain good sealing performance in various harsh working environments.
working principle
The ZU high-pressure filter mainly works based on the principles of interception and adsorption. In hydraulic systems, when high-pressure oil passes through a filter, the filter element intercepts impurities in the oil. Particles larger than the filter aperture are blocked on the surface or inside of the filter element, while clean oil enters the downstream of the system through the filter element, thereby achieving filtration and purification of the oil and ensuring the cleanliness of the hydraulic system.
Performance advantages
-High filtration accuracy: It can effectively filter out small particles and impurities in hydraulic oil, with a filtration accuracy ranging from 1 μ m to 50 μ m, meeting the needs of various high-precision hydraulic systems and protecting hydraulic components from wear and blockage.
-High pressure bearing capacity: It can withstand high working pressure and can generally work stably at pressures ranging from 21MPa to 42MPa or even higher. It is suitable for high-pressure hydraulic systems, such as high-pressure oil circuits in engineering machinery, metallurgical equipment, and other fields.
-High flow processing: With a large flow capacity, it can meet the filtration needs of hydraulic systems under high flow conditions, ensuring smooth flow of oil without excessive pressure loss due to filtration.
application area
-Construction machinery: widely used in hydraulic systems of excavators, loaders, cranes and other construction machinery, filtering impurities in hydraulic oil, ensuring the normal operation of hydraulic components, and improving the reliability and service life of equipment.
-Metallurgical industry: It plays an important role in the hydraulic system of metallurgical equipment such as rolling mills and continuous casting machines, which can effectively filter metal particles and other impurities in the oil, ensure the stable operation of the hydraulic system, and guarantee the smooth progress of the production process.
-Aerospace: It is also applied in the hydraulic transmission system of aircraft and other aerospace fields, with extremely high requirements for the cleanliness of hydraulic oil. ZU high-pressure filters can meet its strict filtration requirements, ensuring flight safety and the reliability of hydraulic systems.
Specifications
| Model |
orifice (mm) |
internet(L/min) |
Filtration (μm) |
pressure (Mpa) |
pressure loss (MPa) |
Transmission device power(V/W) |
weight (kg) |
filter cartridge |
Connection method |
| Z QU - H10×*P |
15 |
10 |
1,3,5,10,20,30 |
32 |
0.08-0.35 |
24V/48W,220V/50W |
3.6 |
HX - 10×*# |
tubular |
| Z QU - H25×*P |
25 |
25 |
1,3,5,10,20,30 |
32 |
0.08-0.35 |
24V/48W,220V/50W |
5 |
HX - 25×*# |
tubular |
| Z QU - H40×*P |
20 |
40 |
1,3,5,10,20,30 |
32 |
0.08-0.35 |
24V/48W,220V/50W |
8 |
HX - 40×*# |
tubular |
| Z QU - H63×*P |
22 |
63 |
1,3,5,10,20,30 |
32 |
0.08-0.35 |
24V/48W,220V/50W |
9.8 |
HX - 63×*# |
tubular |
| Z QU - H100×*P |
25 |
100 |
1,3,5,10,20,30 |
32 |
0.08-0.35 |
24V/48W,220V/50W |
12 |
HX - 100×*# |
tubular |
| Z QU - H160×*P |
32 |
160 |
1,3,5,10,20,30 |
32 |
0.08-0.35 |
24V/48W,220V/50W |
18.2 |
HX - 160×*# |
tubular |
| Z QU - H250×*FP |
40 |
250 |
1,3,5,10,20,30 |
32 |
0.08-0.35 |
24V/48W,220V/50W |
23 |
HX - 250×*# |
Flange style |
| Z QU - H400×*FP |
50 |
400 |
1,3,5,10,20,30 |
32 |
0.08-0.35 |
24V/48W,220V/50W |
33.8 |
HX - 400×*# |
Flange style |
| Z QU - H630×*FP |
53 |
630 |
1,3,5,10,20,30 |
32 |
0.08-0.35 |
24V/48W,220V/50W |
42 |
HX - 630×*# |
Flange style |
| Z QU - H800×*FP |
53 |
800 |
1,3,5,10,20,30 |
32 |
0.08-0.35 |
24V/48W,220V/50W |
52 |
HX - 800×*# |
Flange style |
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FAQ
1. Question: What impact does the filtration accuracy of ZU series high-pressure filters have on hydraulic systems?
-Answer: The filtration accuracy is directly related to the cleanliness of the hydraulic system. The higher the precision, the smaller the impurity particles that can be intercepted, which can better protect the precision components in the hydraulic system, such as plunger pumps, directional valves, etc., prevent them from being worn or stuck due to impurities, extend the service life of components, and ensure the stable operation of the system. However, high precision may lead to rapid clogging of the filter element and significant pressure loss, and should be selected reasonably according to system requirements.
2. Question: How to determine if the filter element of the ZU series high-pressure filter needs to be replaced?
-Answer: When the differential pressure transmitter of the filter sends a signal indicating that the pressure difference on both sides of the filter element has reached the set value, it means that the filter element has been blocked by impurities and needs to be replaced; Or regularly check the filter. If it is found that the cleanliness of the filtered oil does not meet the standard, the filter element needs to be replaced; In addition, if the hydraulic system experiences abnormal working conditions, such as unstable pressure or insufficient flow, after troubleshooting other faults, it may also be necessary to replace the filter element.
3. Question: What are the key points to pay attention to when installing the ZU series high-pressure filter?
-Answer: When installing, the first thing to ensure is that the model of the filter matches the hydraulic system, and the parameters such as diameter, flow rate, and pressure should meet the system requirements; Secondly, pay attention to the installation direction, which must be installed in the direction indicated by the arrow on the filter to ensure the correct flow of oil; It is also necessary to ensure that the filter is tightly connected to the pipeline, with good sealing, to prevent leakage from affecting the filtration effect and system pressure.
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