High-pressure filters with 110L/min flow
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High-pressure filters 110 l/min universal hydraulic pressure line filters
High-pressure filters with a flow rate up to 110 l/min (complete pressure filters mounted on the discharge line, including FHP, FHM, FHP 135 series and matching glass microfiber filter elements) are specialized filtration devices designed to operate under extreme pressure conditions. Mounted on the pressure line, right after the main pump and before sensitive valves and proportional directional control valves, they provide the highest level of anti-failure protection in power hydraulics systems. This category includes complete rigid filters made of ductile iron and steel, high-pressure heads, and replaceable filter elements adapted to operate at operating pressures from 280 bar to 420 bar and a nominal flow of 110 l/min (for oil with a viscosity of 30 cSt / HL 30 class). Available in versions with a bypass valve (e.g., 6 bar) or without a bypass valve (for absolute full-flow filtration with elements of high collapse resistance Δp = 210 bar), these filters guarantee trouble-free operation of precision servo valves, piston motors, and directional control valves in modern industrial, construction, and agricultural machinery.
Application and technical characteristics of high-pressure filters 110 l/min
High-pressure hydraulic filters with a capacity of 110 l/min are used on discharge lines where the operating pressure exceeds standard return circuit values. Their task is to stop fine abrasive particles and solid contaminants generated by the pump before they reach precision control components.
- Extreme pressure resistance (280-420 bar): Robust bodies made of ductile iron and forged steel easily withstand pressure spikes and pulsations in the supply line.
- High filtration accuracy (10 µm-25 µm): Glass microfiber elements (Inorganic Microfiber) are characterized by high particle capture efficiency and a high beta ratio (βx ≥ 200).
- Protection of servo and proportional components: Oil cleanliness at the ISO 4406 class level (e.g., 16/14/13) prevents sticking of valve spools and destruction of control edges.
- Clogging indicator ports: Dedicated ports on the head allow for screwing in a visual (optical) or electrical differential indicator signaling the condition of the element.
- Standardized threaded connections (e.g., 3/4" BSP / M22x1.5): Precisely manufactured connection threads guarantee 100% joint tightness under full pressure load.
Why choose 110 l/min high-pressure filters at the HYDRON store?
All high-pressure filters with a flow of 110 l/min offered in the HYDRON store are manufactured according to strict ISO 9001 procedures and safety standards for pressure circuits. They exhibit excellent mechanical durability and resistance to mineral oils, synthetic oils, and fire-resistant HFD fluids. It should be remembered that filters mounted on the pressure side are subjected to constant load changes, so proper flow selection and a stable housing are key to avoiding failure. For comprehensive construction and service of high-pressure systems, we recommend choosing other compatible components from our offer, such as efficient hydraulic piston pumps, flexible high-pressure hydraulic hoses 4SP/4SH, precise hydraulic directional control valves and reliable hydraulic pressure valves.
Technical specification
Technical parameter | Value / Description |
|---|---|
Product category | High-pressure filters (flow up to 110 l/min / pressure line filters) |
Maximum nominal flow | 110 l/min (for oil with a viscosity of 30 cSt / HL 30 class) |
Maximum operating pressure | from 280 bar to 420 bar (28-42 MPa / 6000 PSI) |
Body and head materials | Ductile iron head, hardened forged steel bowl |
Bypass valve options | Built-in 6 bar valve or version without bypass (element resistance Δp = 210 bar) |
Filtration accuracy of elements | 10 µm, 25 µm (glass microfiber / steel mesh) |
Clogging signaling | Ports for optical indicator or electrical pressure-differential indicator (5 bar) |
Compatibility and replacements | MP Filtri FHP 135 / FHM 110 series, Hydac, Parker, AHC, Hydrolider |
Frequently Asked Questions (FAQ)
Where in the hydraulic system is a 110 l/min high-pressure filter installed?
A high-pressure filter is installed directly on the discharge line after the hydraulic pump and before control valves, proportional directional valves, or working actuators.
What is the difference between a high-pressure filter with a bypass and a filter without a bypass?
A filter with a bypass valve opens a bypass when the element is clogged (e.g., at 6 bar), preventing the flow from stopping. A filter without a bypass requires an element with a reinforced construction (Δp = 210 bar) and does not allow even a drop of unfiltered oil to flow, which is crucial for servo valves.
What elements are used in 110 l/min pressure filters?
In pressure filters, mainly synthetic non-woven / glass microfiber elements with an accuracy of 10 µm or 25 µm are used, which exhibit the highest absorption capacity and mechanical durability.
How to tell if a pressure filter element needs replacement?
The need for element replacement is indicated by a differential indicator mounted on the filter head (optical dial/float indicator or electrical signal relay).