Introduction
An oil pressure filter is a filtration device used to remove the solid particles and the contaminants from the oils and the other liquids under pressure, and it is used in the industrial, the hydraulic, the lubricating, and the many other systems for the filtration and the purification of the oils. The oil pressure filter consists of a filter housing or a vessel, a filter element or a cartridge that retains the particles, and the inlet and the outlet connections, and it operates under the pressure of the system, in which the oil is forced through the filter element, and the particles are retained on the element, and the clean oil exits through the outlet; the oil pressure filter is used for the filtration of the hydraulic oils, for the filtration of the lubricating oils, for the filtration of the fuel, for the filtration of the process oils, and for the many other applications, and it is used for the removal of the particles, for the protection of the equipment, for the extension of the service life of the oil and the equipment, and for the improvement of the reliability, and it is available in various configurations, including the in-line filters, the off-line filters, and the duplex filters, with the various filtration ratings and the flow capacities; the oil pressure filter is an essential component of the fluid systems, and it requires the regular maintenance, including the replacement of the filter element. Oil pressure filters are used in the hydraulic systems, in the lubrication systems, in the power generation, in the industrial plants, and for many other applications. With their filtration of the oils, oil pressure filters are essential for the protection of the fluid systems.
Oil Pressure Filter LOPF-T2015
Oil Pressure Filter operates at a flow rate of 300 L/min, effectively filtering the oil and maintaining optimal pressure levels within the system. The filter media is securely placed bet...
Oil Pressure Filter LOPF-T2013
Oil Pressure Filter is crafted to operate efficiently with a flow rate of 150 operation, preventing oil leakage. The oil pressure filter ensures reliable motor performance and consistent...
Oil Pressure Filter LOPF-T2014
Oil Pressure Filter is crafted to operate efficiently with a flow rate of 200 motor, delivering smooth operation and reliable oil cleaning. Our Oil Pressure Filter enhances oil viscosity...
Oil Pressure Filter LOPF-T2012
Oil Pressure Filter operates at a flow rate of 100 filtration removes fine particles, sludge, and moisture for superior oil purity. Our Oil Pressure Filter efficiently removes impurities...
Oil Pressure Filter LOPF-T2011
Oil Pressure Filter is crafted with a 50 L/min flow rate to ensure effective filtration while maintaining the system's pressure stability. The motor operates at a high speed, ensuring co...
Oil Pressure Filter LOPF-T2010
Oil Pressure Filter features a high-efficiency flow rate of 30 motor delivers powerful performance, ensuring efficient oil refining with minimal downtime. It has a multi-plate filtration...
Standards
IEC 60422:2024-Mineral insulating oils in electrical equipment-Supervision and maintenance guidance
Complies with the above standards, but is not limited to them.
Features
1. Oil pressure filter for removing contaminants from pressurized oil systems.
2. High-pressure filtration unit with filter element for hydraulic/lubricating oil system protection.
3. Suitable for hydraulic systems, lubrication circuits, industrial machinery and fluid power.
4. Includes filter housing, element, pressure differential indicator, bypass valve and manual.
5. Removes particulate from pressurized oil (1-25 micron) to protect pumps, valves and actuators.
FAQ
Q1: What testing scenarios is this filter mainly applied to?
A: The oil pressure filter is installed in pressurized oil lines (pressure line) to remove particulate contaminants from hydraulic or lubricating oil before it reaches sensitive components. Used in hydraulic systems (injection molding, machine tools, construction equipment, aerospace - protect servo valves, proportional valves, pumps, cylinders from wear particles; pressure line filtration after pump), lubrication systems (turbines, gearboxes, compressors, engines - protect bearings, gears), industrial machinery (steel mills, paper machines, power generation), and fluid power systems. Installed in pressure line (after pump, before control valves) - handles full system pressure (up to 420 bar/6000 psi). Filter element (pleated paper, glass fiber, wire mesh) captures wear metals, dirt, fibers. Beta ratio (filtration efficiency) per ISO 16889: beta_x = number upstream/downstream; beta_10 >= 1000 = high efficiency. Differential pressure indicator (visual/electrical) signals clogged element. Bypass valve opens at preset dP (e.g., 3-5 bar) to prevent oil starvation if element clogs (but bypasses unfiltered oil - replace element immediately). Typical micron rating: 3, 5, 10, 25 micron (absolute). Compare to 3216 (portable filter - off-line/kidney loop, low pressure) and 3213 (coalescing - compressed air oil removal, different medium).
Q2: What standards does the filter comply with?
A: Complies with ISO 16889 (filtration efficiency / beta ratio testing), ISO 4406 (oil cleanliness coding), NAS 1638 (cleanliness classes), ISO 10488 (hydraulic filter assemblies), SAE (aerospace hydraulic filters), CE (PED pressure equipment, EMC), and GB/T standards. Hardware meets pressure rating (PN 160, 250, 420 bar), flow rate, filtration efficiency (beta ratio), burst pressure (housing), fatigue (cyclic pressure), differential pressure indicator accuracy, and bypass valve cracking pressure. For hydraulic systems, target cleanliness per OEM (typically ISO 4406 18/16/13 or cleaner for servo systems). Filter element selected by micron rating and beta ratio (high beta = cleaner oil, longer component life). Pressure vessel: PED/ASME if >0.5 bar (housing is pressure vessel at high pressure). For aerospace, SAE AS standards (hydraulic filters).
Q3: What is the warranty period for the whole filter and key components?
A: Whole filter covered 12-24 months. Filter element (consumable - replace when dP indicator signals, every 1000-5000 hours depending on contamination), bypass valve (wear - can stick open/closed; inspect), seals/O-rings (wear - replace at element change), differential pressure indicator (wear - 3-7 years), and housing (pressure vessel, 10-20 years) are key. Damage from improper use, exceeding pressure rating (housing rupture - catastrophic, dangerous), not replacing element (bypass opens, unfiltered oil reaches components - wear; or element collapses), using wrong element (wrong micron/efficiency, bypass), water/corrosion in oil (attacks housing/element - use water removal), freezing (oil/water in housing freezes, cracks), or unauthorized repair of pressure vessel is excluded. Extended warranty available. Element 1000-5000 hours (contamination dependent); housing 10-20 years; indicator 3-7 years. Element replacement is main ongoing cost.
Q4: Is this device difficult to operate? Is professional training required?
A: Simple: installed in pressure line by hydraulic technician (correct flow direction, torque housing). Operation: monitor differential pressure indicator (visual pop-up or electrical signal), replace element when indicated (depressurize system, open housing, replace element and O-rings, close, pressurize, check for leaks). No professional training required for monitoring, but hydraulic system service requires trained technician. Safety: HIGH PRESSURE HYDRAULIC OIL (systems up to 420 bar/6000 psi - NEVER open housing while pressurized (depressurize completely, lockout/tagout); high-pressure oil injection injury (oil can penetrate skin, medical emergency - wear PPE, do not check for leaks with hand (use cardboard/paper), seek medical attention if injection occurs), OIL BURNS (oil may be hot 40-80 C - use heat gloves), OIL SPILL (hydraulic oil is slippery, environmental hazard - use drip tray, absorbents, secondary containment; dispose as hazardous/industrial waste), PRESSURE VESSEL (housing under high pressure - do not exceed rating, inspect for corrosion/damage, pressure relief in system, certified housing (PED/ASME)), BYPASS VALVE (if bypass opens (clogged element), unfiltered oil circulates - replace element immediately; bypass valve can stick - inspect during element change), do not use wrong element (must match housing, micron, beta, bypass setting; wrong element can collapse or bypass), do not reuse elements (disposable, do not clean/reuse - damaged media), for water-contaminated oil: pressure filter removes particulates, NOT water - use water-absorbing elements or separate water removal (3216 portable, coalescer), for servo/proportional valves: use high-efficiency (beta_10 >= 1000, 3-5 micron) to prevent valve sticking, element change: depressurize, clean housing bowl, lubricate O-rings with clean oil, torque housing per spec, check for leaks after pressurization, dispose used elements as industrial waste (oil-soaked), oil analysis (particle count per ISO 4406) to verify filter effectiveness and schedule changes, for high-pressure systems: use only certified filter assemblies, do not fabricate housings.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Differential pressure indicator calibrate annually (compare to calibrated pressure gauge). Routine: monitor dP indicator (daily/weekly), replace element at signal, inspect housing (corrosion, leaks) during element change, and verify bypass valve (test during service). For ISO 17025 or condition monitoring, oil particle count (ISO 4406) periodically to verify filter performance. Element replacement based on dP (not fixed hours) but at least annually. Pressure vessel inspection (external visual, hydrostatic test per PED/ASME) periodically by certified inspector. If dP rises suddenly or oil cleanliness degrades, replace element immediately and investigate contamination source.
Q7: Are supporting consumables universal?
A: Filter elements are housing-specific (use OEM or certified compatible - Pall, Hydac, Parker, Eaton; match micron rating, beta ratio, size, bypass). O-rings/seals specific to housing. dP indicator specific. Long-term cost: elements (every 1000-5000 hours, $20-$300 each, main expense), O-ring kits (per element change), and occasional indicator/housing replacement. Element must match housing exactly (wrong element = poor filtration, collapse, bypass).
Q8: Can I customize parameters or supporting accessories?
A: Customization includes pressure rating (PN 160, 250, 350, 420 bar / 2300-6000 psi), flow rate (10-1000+ L/min), element efficiency (beta_10 >= 2, 100, 1000; micron 1, 3, 5, 10, 25 micron absolute), element media (glass fiber (high efficiency, standard), wire mesh (washable, low efficiency), paper (low cost)), housing material (carbon steel (standard), stainless 316L (corrosive/water-glycol, food/pharma)), bypass valve (cracking pressure 2, 3, 5 bar; no-bypass for critical systems (use with dP switch to shut down)), dP indicator (visual pop-up, electrical switch, transmitter with 4-20mA), features (inlet/outlet sizes (SAE, NPT, flange), mounting (inline, tank-mounted, manifold), check valve, reverse flow, visual/electrical clog indicator), certifications (CE/PED, ASME, ISO 10488, SAE (aerospace), ATEX (explosive environment)), accessories: spare elements (various micron), O-ring kits, dP switch/transmitter, mounting bracket, oil sample valve, particle counter, condition monitoring sensors, certifications.
Q9: Does the purchase include on-site installation and commissioning service?
A: Standard delivery includes filter housing, element, dP indicator, manual (spare elements, O-rings separate). On-site installation by hydraulic technician (plumb in pressure line, torque, pressurize, leak check) - typically done by customer maintenance or distributor. On-site training available for maintenance teams (element change, dP monitoring, hydraulic safety). For critical aerospace/pharma systems, commissioning and validation recommended. Always verify flow direction, torque, and check for leaks after installation.
Q10: What types of oils/applications are compatible with this equipment?
A: Compatible: mineral hydraulic oil (most common), synthetic hydraulic fluids (polyol ester, PAO - verify seal compatibility), lubricating oil, and some water-glycol (use stainless housing, compatible seals). Not compatible: gasoline/diesel/solvents (flammable, attack seals - use explosion-proof, compatible materials), highly corrosive fluids without stainless housing, water-based fluids without compatible materials (water-glycol requires specific seals, no carbon steel (corrosion)), gases (this is liquid filter - use gas filter), or fluids with high water content without water-removal elements (water passes through, causes corrosion). For food/pharma: use food-grade stainless housing, food-grade elements, and validate. For servo/proportional valve systems: use high-efficiency 3-5 micron beta >= 1000. Always verify element and seal compatibility with fluid (especially synthetics, phosphate esters (Skydrol - require special seals/materials)). Pressure filter is for pressure line only - for return line or suction line, use appropriate filter type (different pressure ratings, designs).
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