Core basic parameters of the product
SE125B100B filter element is produced according to DIN24550 industrial filter standard. The finished product undergoes integrity, pressure impact resistance, and filtration efficiency sampling verification. The key technical parameters are as follows:
-Product model: SE125B100B (domestic substitute)
-Filtering accuracy: 100 μ m metal woven mesh, nominal accuracy
-Adaptive filter: STAUFF SE125 series high-pressure pipeline filter
-Model code definition: SE=High pressure pipeline filter element; B=Metal woven mesh filter material; 100=100 μ m accuracy; B=NBR nitrile rubber seal
-Applicable media: mineral anti-wear hydraulic oil, gear lubricating oil
-Maximum collapse pressure difference: 25bar, able to withstand instantaneous alternating pressure difference impact of high-pressure system
-Working temperature range: -30 ℃ to+120 ℃
-Recommended replacement pressure difference: 0.2MPa. If the pressure difference reaches the set threshold, it should be repaired and replaced in a timely manner
-Oil flow direction: from outside to inside, matching the standard flow direction of SE125 series filters
-Structural form: Multi layer stainless steel woven mesh folding, thickened galvanized carbon steel internal and external bidirectional support skeleton
Detailed introduction of product materials
SE125B100B uses metal woven mesh filter material, which focuses on coarse filtration, impact resistance, and is completely different from fiberglass precision filter positioning. It focuses on intercepting large-sized hard impurities and is suitable for pre protection of newly built equipment and systems after major repairs.
-Filter material: multi-layer 304 stainless steel metal woven mesh, multi-layer composite structure, 100 μ m pore size, extremely strong, resistant to particle impact, and will not be penetrated by large iron filings; Low flow resistance and small pressure loss under high flux conditions. The metal mesh material can withstand a small amount of moisture, resist oil aging and corrosion, and is not prone to fiber shedding problems.
-Internal and External Support Skeleton: Thickened punched galvanized carbon steel bidirectional support skeleton, strengthened anti extrusion ability, to cope with the alternating high pressure impact caused by equipment start and stop, and prevent the filter element from being flattened and collapsed due to pressure difference; High porosity design of the skeleton, while ensuring mechanical strength, controls the initial pressure difference of the filter element without affecting the main oil supply.
-Sealing parts: NBR nitrile rubber sealing ring is standard, which is oil resistant, anti-aging, and resistant to medium swelling, ensuring that the filter element and the filter seat are fully fitted, and avoiding medium bypass short circuit. Support upgrading FKM fluororubber seals for high-temperature working conditions and special media.
-End caps and bonding process: Machine processed metal end caps, using high-strength two-component adhesives for hot pressing composite molding. The bonding strength between the filter material, skeleton, and end caps is tested by cyclic differential pressure impact testing, and will not peel or crack under high-pressure alternating environments; All assembly dimensions are 1:1 replicated to the original factory standard, and the internal disassembly and positioning of the filter cartridge is precise.
Main applicable scenarios and industries
SE125B100B positioning high-pressure pipeline pre coarse filtration only intercepts large particle impurities and cannot be used alone for precision protection of servo valves and proportional valves.
-Mining heavy equipment: mining tunneling machines, large hydraulic crushers, high-pressure oil circuit pre filtration, interception of casting sand, welding slag, large iron filings, and protection of the main hydraulic pump.
-Large construction machinery: pre protection of hydraulic systems for large cranes and shield machines, equipment overhaul, and initial filtration of new equipment during operation.
-Metallurgical industry: heavy rolling mill, hydraulic pump station high-pressure pipeline coarse filtration.
-Oil depot and oil filter trolley: Replace the coarse filter before the LYC-A and LYC-B oil filter pumps to protect the gear pump.
Core advantages of the product
1. 100 μm stainless steel woven mesh, resistant to impact and breakdown, prevents large hard impurities from directly piercing the filter layer, effectively protects the main pump, and is suitable for system flushing after new equipment startup and major repairs.
2. High flux, low initial pressure difference, low flow resistance of metal mesh, and no significant pressure loss in high flow hydraulic systems.
3. The metal material is resistant to water and high temperatures, and compared to paper filter cartridges, it has stronger water resistance and better stability under high temperature conditions.
4. It can be easily rinsed and cleaned, and in temporary emergency situations, large particles and impurities on the surface can be washed away (it is not recommended to reuse it repeatedly for a long time).
Core advantages of source factory substitution
Our factory has mature experience in mass production of STAUFF SE high-pressure series filter cartridges. We have established a special factory inspection process for SE125B100B metal mesh coarse filter cartridges, and conduct pressure and sealing tests on each batch of samples. We strictly control welding and bonding defects. As a source manufacturer, we eliminate the premium of multi-layer intermediaries for imported brands. We not only support single sample machine testing, but also undertake annual factory maintenance and large-scale bidding procurement for engineering projects. We can customize and upgrade filter materials and sealing materials according to customer on-site media, temperature, and pressure conditions.
Frequently Asked Questions (FAQ)
Q1: Can the metal woven mesh filter be reused for a long time after cleaning?
A: It can be used as a temporary emergency to simply rinse off large particles of impurities on the surface, and it is not recommended to reuse them multiple times for a long time; Impurities are embedded inside multiple layers of mesh and cannot be completely cleaned.
Q2: What is the reason for the rapid increase in pressure difference of the front coarse filter?
A: There are a large amount of welding slag, sand particles, and large rust impurities in the system, which are often found in the system after new equipment is put into operation or major repairs; It is recommended to cooperate with oil circulation flushing and promptly deal with the pressure difference reaching 0.2MPa.
Q3: How to pair the entire hydraulic system with this coarse filter element for graded filtration?
A: Recommend SE125B100B (100 μm coarse filter) for the pump outlet, with a 5 μ m precision fiberglass filter installed in the pressure pipeline at the rear end. The return oil pipeline is equipped with a return oil filter, with a three-stage grading filtration system that balances protection capacity and pollutant holding capacity.
Q4: Apart from STAUFF filter elements, what other oil filtration 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 STAUFF replacement oil filters, we also specialize in PALL, HYDAC, Leemin and other full range oil filters and filters, matched with LYC-B series movable oil filter machine and oil coalescence dehydration filters, providing one-stop solutions for industrial oil impurity removal and water filtration problems.
Q5: What other filtering categories are included in the factory's main business?
A: Our factory is a one-stop industrial filtration source manufacturer, with main business covering four core areas: industrial oil filtration, industrial water filtration, natural gas filtration, and industrial air filtration. We can customize various imported substitute filter elements, domestic standard filter elements, and complete sets of filtration equipment, suitable for multiple industry scenarios such as power, metallurgy, chemical, gas, and shipbuilding.
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