Cartridges for inline filters
Produkty z kategorii
Cartridges for inline return filters, replaceable Spin-On canister cartridges
Inline return filter cartridges (replaceable Spin-On canister cartridges of the AMF 301 CV, AMF 601 CV series and compatible replacements from AHC, Sofima, and MP Filtri brands) are essential consumable components designed to maintain the required oil cleanliness class in power hydraulic systems. Mounted on the return filter canister, they provide a direct protective barrier that captures microscopic solid contaminants, dust, metal shavings, and oxidation products of the oil returning to the main tank. This category includes a wide range of cartridges with nominal flow rates from 60 l/min to 325 l/min and standard filtration accuracy of 25 µm (microns). Made of high-quality cellulose and synthetic fibers reinforced with a support mesh, these cartridges feature high dirt-holding capacity and resistance to pressure surges. Regular replacement of return filter cartridges protects the hydraulic pump, control valves, and actuators from accelerated abrasive wear, preventing costly breakdowns of agricultural, construction, forestry machinery, and industrial equipment.
Application and technical characteristics of return filter cartridges
Inline return filter cartridges are used in all stationary and mobile hydraulic installations equipped with canister return filters. Their task is to capture contaminant particles generated in the working circuit before the hydraulic fluid returns to the tank.
- Optimal filtration accuracy (25 µm): Cartridges effectively separate abrasive particles, allowing the maintenance of the appropriate working fluid cleanliness class according to the ISO 4406 standard.
- Wide flow range (from 60 l/min to 325 l/min): Ensures free oil flow without causing excessive hydraulic resistance or an increase in back pressure.
- Spin-On quick mounting system: The screw-on canister with a standardized thread allows for instant, clean, and tool-free replacement service without having to dismantle the entire filter housing.
- High absorption capacity: The three-dimensional cellulose-synthetic structure retains large amounts of contaminants without a rapid increase in flow resistance.
- Compatibility with standard working media: Cartridges are fully resistant to mineral oils, synthetic oils, and hydraulic fluids of HL, HLP, HVLP types.
Why choose return filter cartridges from the HYDRON store?
Inline return filter cartridges offered by the HYDRON store meet stringent ISO 9001 quality standards and are fully compatible with filter housings from the most popular manufacturers (including AHC, Sofima, MP Filtri, Hydrolider). Replacing the return cartridge is one of the most important preventive activities in maintaining power hydraulics. Remember that a clogged cartridge causes an increase in differential pressure and the opening of the by-pass valve, which results in unfiltered oil flowing directly into the tank. To prevent this, it is recommended to regularly check the clogging indicator and use cartridges of the highest quality. For comprehensive service and system maintenance, we recommend selecting other compatible products from our offer, such as complete inline return filters, flexible hydraulic hoses, efficient hydraulic pumps and advanced hydraulic control valves.
Technical specification
Technical parameter | Value / Description |
|---|---|
Product category | Inline return filter cartridges (Spin-On canister cartridges) |
Nominal flow range | from 60 l/min to 325 l/min (for oil with a viscosity of 30 cSt) |
Standard filtration accuracy | 25 µm (microns) |
Cartridge housing type | Screw-on Spin-On metal canister with integrated seal |
Filter medium material | Multilayer cellulose impregnated with resins / synthetic non-woven fabric |
Maximum cartridge working pressure | 12 bar (1.2 MPa) |
Installation purpose | Replaceable working element in inline canister return filters |
Compatibility and filter series | AMF 301 CV AHC, AMF 301 CV Sofima, AMF 601 CV AHC, AMF 601 CV Sofima, MP Filtri MPS 150 / MPS 300 / MPS 350 |
Frequently Asked Questions (FAQ)
How to choose the right cartridge for an inline return filter?
Cartridge selection is based on the filter model designation (e.g., AMF 301 CV or AMF 601 CV), thread and canister dimensions, and the required nominal flow of the system expressed in liters per minute (l/min).
How often should the return filter cartridge be replaced?
The cartridge should be replaced according to the machine manufacturer's recommendations (usually every 500–1000 operating hours), at least once a year, or immediately after the clogging is signaled by the optical/electrical indicator on the head.
What are the risks of working with a heavily contaminated return filter cartridge?
A clogged cartridge causes an increase in differential pressure and the opening of the by-pass valve. The oil then flows around the cartridge without being filtered, leading to contaminants entering the tank and damaging pumps and valves.
Are AHC and Sofima canister cartridges interchangeable?
Yes. AMF 301 CV and AMF 601 CV type cartridges from AHC and Sofima brands have standardized mounting threads and overall dimensions, allowing them to be safely used as direct replacements.