Core basic parameters of the product
-Filter element model: DHD240G10B (domestic substitute)
-Filtering accuracy: 10 μm, β (c) ≥ 200
-Adaptive filter: FILTREC DHD240 high-pressure pipeline filter
-Applicable media: mineral anti-wear hydraulic oil, circulating lubricating oil
-Maximum collapse pressure difference: 21 bar, able to withstand instantaneous pressure difference impact in high-pressure pipelines
-Working temperature range: -10 ℃ to+100 ℃
-Suggest replacing the pressure difference: 0.2MPa
-Oil flow direction: external inlet and internal outlet, standard flow direction of high-pressure filter
-Structural form: multi-layer gradient fiberglass filter layer, thickened metal inner and outer support skeleton
Detailed introduction of product materials
In response to the alternating pressure impact conditions of high-pressure pipelines, the overall compressive performance of the filter element is strengthened to avoid the problems of filter material damage and skeleton suction failure under high-pressure conditions.
-Filter material: High pressure special multi-layer gradient resin cured fiberglass filter material, with the outer layer filtering large particle impurities and the inner layer completing 10 μm precision filtration; The filter material has undergone high-pressure fluid flushing testing, and the fibers are firmly bonded without fiber detachment, avoiding secondary oil pollution; Excellent dirt holding capacity, extending the service life of the filter element.
-Internal and External Support Skeleton: Thickened punched galvanized metal skeleton with high compressive strength, resistant to high-pressure differential impact, and prevents the filter element from being sucked flat; High porosity design effectively reduces the initial pressure difference of the filter element and ensures oil circulation.
-Sealing parts: standard NBR nitrile rubber sealing ring, oil resistant and anti-aging, ensuring tight sealing between filter element and filter seat, and avoiding oil bypass; High temperature and flame retardant hydraulic oil conditions can be upgraded to FKM fluororubber.
-End caps and bonding process: metal machined end caps, high-temperature hot pressing bonding process, high bonding strength, and no delamination or cracking under high-pressure alternating environment; The installation size is exactly the same as the original, and the disassembly is simple and convenient.
Main applicable scenarios and industries
DHD240G10B is a high-pressure pressure pipeline filter element used for oil pump output high-pressure oil circuit, not suitable for use in return oil system.
-Heavy engineering machinery: large mining equipment, high-pressure hydraulic system oil purification for heavy equipment.
-Metallurgical industry: High pressure pipeline filtration for rolling mills and smelting supporting hydraulic stations.
-Industrial oil station: Large complete hydraulic station, lubricating oil station, high-pressure side filtration protection.
-Equipment maintenance support: Replacement of spare parts for FILTREC DHD240 filter equipment.
Core advantages of the product
1. Special structural strengthening for high-pressure working conditions: Thickened skeleton combined with high-pressure fiberglass filter material, capable of withstanding frequent pressure fluctuations in high-pressure pipelines, and the overall structure is reliable and stable.
2. Precise filtration to protect expensive hydraulic components: With a 10 μ m filtration level, it effectively intercepts solid impurities, reduces the probability of damage to plunger pumps and servo valves, and minimizes equipment downtime losses.
3. Large sewage capacity, extended maintenance cycle: Optimize the folding area of the filter material, increase the sewage capacity, slow down the rate of pressure difference rise, and reduce the frequency of filter element replacement.
4. Low flow resistance, no interference with high-pressure fuel supply: Reasonable arrangement of filter materials and skeleton openings, control of initial pressure difference, and no obstruction to high-pressure system fuel supply.
5. Direct replacement to shorten delivery time: 1:1 matching with original size performance, eliminating long delivery cycles from imports and effectively reducing spare parts procurement costs.
Core advantages of source factory substitution
The factory has a mature manufacturing process for DHD series high-pressure filter cartridges, and conducts pressure and sealing inspections on each batch of finished products to ensure the reliability of high-pressure working conditions. Direct supply from the source manufacturer, cutting off the premium of imported brands, adapting to equipment factory matching, and purchasing in bulk for annual factory maintenance. Support material upgrades based on on-site working conditions.
Frequently Asked Questions (FAQ)
Q1: Can the high-pressure filter element be installed on the return oil pipeline for use?
A: Not recommended. The structure cost of the high-pressure filter element is high. For oil return, please choose the corresponding oil return series filter element to balance the use effect and cost.
Q2: What are the common reasons for the rapid increase in pressure difference of the high-pressure filter element?
A: If the system oil has high impurity content or oil sludge is generated due to oxidation and deterioration, it is recommended to check the oil quality synchronously and replace it in a timely manner when the pressure difference reaches 0.2MPa.
Q3: Can the fluororubber seal be replaced if the medium temperature is too high?
A: Support upgrading FKM fluororubber, please indicate the medium temperature when placing an order.
Q4: Apart from FILTREC filters, what other oil filtration related products do you have?
A: Our factory has a complete line of oil filtration products, which can meet the purification needs of industrial oil products under all working conditions. In addition to the full range of PALL / HYDAC replacement oil filter elements, we also specialize in various imported and domestically renowned brand oil filter elements and filters, including the Leemin series hydraulic filter. We also sell the LYC-A, LYC-B and other series of movable oil filters, which can meet the needs of online filtration and offline fine oil filtration of equipment. In addition, we also produce customized oil coalescence dehydration filter elements to achieve integrated filtration of hydraulic oil and lubricating oil for water and impurities removal, providing one-stop solutions to industrial oil filtration problems.
Q5: What other filtering categories are included in your factory's main business?
A: Our factory is a one-stop manufacturer of industrial filtration products, with our main business covering four core filtration areas and fully adapting to industrial filtration needs. We specialize in industrial oil filtration, industrial water filtration, natural gas filtration, and industrial air filtration. We can produce customized imported replacement filters, domestic standard filters, and complete sets of filtration equipment for various categories.
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