Products Description
hydraulic replacement filter. Hydraulic oil filters serve as the critical component within hydraulic systems, engineered to eliminate solid particulates, gummy substances, and diverse contaminants from the fluid. Functioning through specialized porous media-such as fiberglass, filter paper, or metal mesh-these filters intercept harmful agents including dust, metal shavings, and oxides. This process safeguards precision components like hydraulic pumps, control valves, and cylinders from ingress of debris, thereby preventing mechanical wear, valve sticking, and line blockages. Ultimately, this ensures the system maintains optimal cleanliness, operational efficiency, and a prolonged service life.Factory direct hydraulic filter.150309 hydraulic oil filter.hydraulic replacement filter.
Hydraulic oil filters can be categorized based on multiple dimensions, including their installation location, filter media, and structural design. Different types of filters undertake distinct filtration tasks within the hydraulic system.150309 hydraulic oil filter.
Classification by Installation Location and Function
This is the most common classification method. Based on the specific installation position within the hydraulic system, the function and performance requirements of the filters vary significantly.
1.Suction Filters (Suction Strainers)
2.High-Pressure Line Filters (Pressure Filters)
3.Return Line Filters
4.Circulation Filters (Bypass Filters / Kidney Loop Filters)
5.Air Breathers (Air Filters)
6.Pilot Filters
product display
hydraulic oil filter element
product feature
New Type
High filtration accuracy, consistently meeting ISO 4406 cleanliness standards.
01
Manufacturer Customized
Large dirt-holding capacity for extended service intervals.
02
High Quality Manufacturer
High collapse resistance to withstand pressure fluctuations and shocks.
03
Hot-sale Product
Excellent compatibility with mineral oils, synthetic fluids, and emulsions, with good thermal stability.
04
Application Fields
Hydraulic oil filter elements are widely used in construction machinery (excavators, cranes), metallurgical equipment (rolling mills), mining machinery, marine hydraulic systems, injection molding machines, wind turbines, and industrial hydraulic power units. They remove solid particles and gelatinous contaminants to ensure system reliability and performance.
Product Parameter
| Filter Type | Media Material | Core Material | End Cap Material | Core Selection Logic |
| Suction Filter | Wire Mesh | Perforated Metal Sheet | Plastic / Aluminum | Washable, low resistance, cost-effective |
| High-Pressure Line Filter | Glass Fiber | High-Strength Stainless Steel | Carbon Steel / Stainless Steel | High-pressure resistance, high precision, high strength |
| Return Line Filter | Glass Fiber / Cellulose Paper | Carbon Steel / Stainless Steel | Carbon Steel / Rubber | Cost-performance, pulse resistance, easy maintenance |
our advantages
Packaging and certificates
FAQ
Q: Can the filter element be cleaned and reused?
A: Glass fiber and resin-type fine filter elements cannot be cleaned or reused – cleaning damages the filtration layer and reduces accuracy. Only metal wire mesh coarse elements may be cleaned using specialized cleaning fluids and must pass integrity testing before reuse.
Q: How to select the correct filtration rating?
A: It depends on the smallest clearances of critical system components. General guideline: 3–5 μm for servo valve systems, 10 μm for proportional valve systems, and 10–20 μm for general industrial systems. Overly high rating increases pressure drop, while too low rating fails to protect components.
Q: What are the risks of continuing to operate after the differential pressure alarm triggers?
A: The bypass valve opens, allowing unfiltered oil to enter the system and accelerating pump/valve wear. The element may also collapse under excessive pressure, releasing debris into the oil circuit and causing severe equipment damage.
Q: Is new oil clean enough without pre-filtration?
A: New oil is not necessarily clean oil. Drum oil often contains particles introduced during transport and storage. It should be pre-filtered through a separate unit before filling; otherwise, it will quickly contaminate the new element.
company introduction
Xinxiang Jun Filters and Chemical Co.,Ltd.is a professional manufacturer engaged in the design and production of filters,filtration equipment, purification devices, and oil-water separation devices.The company has gathered a large number of professional, senior engineers and other technological elites, specializing in design research and development manufacturing.
The R&D team is strong, with a high level of professional technology and rich practical experience. The company has advanced production equipment and a complete quality and safety assurance system.
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