HY-PRO HP03DHL425SFSV Replacement Hydraulic Oil Filter Cartridge High Temperature Corrosion Resistant Precision Filtration

Analysis of the core advantages of material technology

HP03DHL425SFSV filter element optimizes the process for harsh industrial conditions, abandoning the shortcomings of ordinary single-layer fiberglass filter elements and adopting a gradient layered filtration structure. The filter layer gradually densifies the pores from the outside to the inside. The outer large-diameter filter layer prioritizes intercepting large volume impurities such as welding slag and rust particles, while the inner precision fiberglass layer accurately captures 3 μm small wear particles and colloidal sludge, achieving layered interception of coarse and fine impurities. This not only avoids the problem of easy clogging of precision filter elements, but also greatly improves the overall pollutant holding capacity. The pressure difference rises steadily and smoothly, and is suitable for 24-hour continuous operation of the equipment.

The filter material is cured and shaped with high-temperature epoxy resin, and the fiber nodes are completely fused and fixed without the risk of loose fibers falling off, completely eliminating the problem of ordinary low-priced filter fibers migrating and contaminating the oil, perfectly meeting the high cleanliness oil standards of power stations and precision hydraulic equipment. The filter element is equipped with thickened anti rust metal support mesh inside and outside, which can effectively resist the impact of oil turbulence and instantaneous pressure difference fluctuations, prevent the filter layer from being squeezed, deformed, damaged and broken, and the structural stability far exceeds that of conventional domestic replacement parts.

FKM fluororubber seals are standard, which differ from conventional NBR nitrile rubber in terms of oil resistance, high temperature resistance, and chemical corrosion resistance. They can be adapted to special media such as phosphate ester fire-resistant oil and high-temperature synthetic oil, and will not swell, age, or leak oil after long-term immersion. The end cap is made of cold-rolled steel plate stamping and formed, with a hot melt integrated bonding process. The filter material is seamlessly attached to the end cap, with extremely strong sealing performance, to prevent internal leakage and pressure relief problems under high pressure conditions.

Core technical parameters of the product

Model: HP03DHL425SFSV (domestic substitute)

Filtering accuracy: 3 μm

Filter material: multi-layer gradient cured composite fiberglass filter material

Supporting structure: inner and outer double-layer thickened metal punching protective net

Sealing configuration: FKM fluororubber sealing ring (SFSV suffix exclusive corrosion-resistant and high-temperature resistant configuration)

Rated working pressure: 1.6MPa

Ultimate pressure resistance: 2.1MPa

Applicable media: mineral anti-wear hydraulic oil, phosphate ester fire-resistant oil, synthetic hydraulic oil

Working temperature: -30 ℃~+110 ℃

Blockage alarm pressure difference: 0.5MPa

Filtering form: radial oil inlet, central oil outlet deep filtration

Applicable working conditions and industry scenarios

This model is a high-pressure precision pressure pipeline filter element, which provides precise protection for the front end of the hydraulic system and is suitable for industrial scenarios that require extremely high oil cleanliness. It is not suitable for extensive filtration conditions with large impurities and high pollution.

1. Thermal power plant: turbine EH fire-resistant oil system, auxiliary hydraulic control system, boiler actuator hydraulic circuit;

2. Metallurgical industry: steel rolling mill, continuous casting machine servo hydraulic station, high-pressure rolling hydraulic system;

3. Chemical industry: corrosion-resistant hydraulic equipment, high-temperature process hydraulic systems;

4. Precision Heavy Industry: Large forging machines, servo presses, high-precision forming equipment;

5. General industry: Large fixed hydraulic stations and precision hydraulic test benches that operate continuously 24 hours a day.

Core competitiveness of products

1. Strong adaptability to special media: Exclusive fluorine rubber sealing configuration, compatible with fire-resistant oil and high-temperature synthetic oil, covering harsh chemical and power plant conditions that conventional filter elements cannot adapt to;

2. Precise filtration without frequency blockage: Gradient layered filter materials balance accuracy and pollutant holding capacity, with 3 μm high-precision filtration while effectively extending replacement cycles and reducing equipment downtime frequency;

3. 1:1 in-situ replacement: Full size replica of the original filter element, with installation interface, sealing groove, height and outer diameter perfectly matched, no need for debugging or modification, maintenance and disassembly with zero threshold;

4. Zero second pollution: The solidified fiberglass has no fiber shedding, ensuring the cleanliness of the oil throughout the process and protecting precision valve components from jamming;

5. High pressure and impact resistance: Reinforced with double-layer metal mesh, it can withstand instantaneous pressure fluctuations in the system and has stronger adaptability to working conditions;

Factory production and quality control advantages

Our factory has been deeply involved in the localization and replacement of HY-PRO filter cartridges for many years, and has established a dedicated production quality control system for DHL series precision high-pressure filter cartridges. In response to the high temperature and corrosion resistance characteristics of this model, strict control is exercised over the three core aspects of filter material curing temperature, bonding process, and seal selection to eliminate common problems such as delamination, fiber leakage, insufficient pressure resistance, and seal failure in low-priced products on the market. All products are produced and tested according to the ISO4406 oil cleanliness standard. Each batch is sampled for pressure impact testing and flow stability testing to ensure that the performance on the machine is completely consistent with the original. Supporting domestic industrial maintenance projects, engineering support, and foreign trade export orders, we can provide product qualification certificates, factory inspection reports, third-party quality inspection certificates, and customize fumigation wooden box packaging for foreign trade orders.

FAQ

Q1: What does the suffix SFSV represent for HP03DHL425SFSV, and is it different from regular models?

A: SFSV stands for Fluorine Rubber High Temperature and Corrosion Resistant Sealing Configuration, which is different from ordinary nitrile sealing models. It can be adapted to fire-resistant oil and high-temperature hydraulic oil, and is an exclusive version for harsh working conditions that cannot be replaced by ordinary models.

Q2: Will this 3 μm precision filter frequently clog?

A: I won't. Adopting a gradient layered filtration structure, large particles are intercepted by the outer layer and fine particles are filtered by the inner layer, resulting in a significant increase in pollutant carrying capacity and a gradual increase in pressure difference. Under normal operating conditions, it can operate stably and for a long time.

Q3: Can it be used for EH fire-resistant oil systems in power plants?

A: Fully compatible, standard with fluorine rubber seal, resistant to corrosion by phosphate media, it is a specialized alternative filter element for power plant fire-resistant fuel systems.

Q4: Apart from HY-PRO 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 HY-PRO replacement oil filters, we also specialize in PALL, HYDAC, Leemin and other full range oil filters and filters, matched with LYC-A series movable oil filters 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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