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  • 24 2019-06
    Which Of Our Products Can Be Used In Aviation Equipment
    We offer fuel filters, hydraulic filters, air filters, filter elements and valves for aviation ground equipments. Our products meet the standards of military products. They are widely used at home and abroad. 1. RLYA and RLY fuel filters assemblies and elements. It is installed in the tester and engine test cell fuel oil supply system of aviation system, to filter solid particle and slimes in medium and effectively control cleanliness. 2.
  • 21 2019-05
    Filter Efficiency and Beta Ratios of a filter element
    The filter rating is divided into a nominal rating and an absolute rating. Filter ratings are an often misunderstood area of contamination control. A nominal rating is an arbitrary micrometer value given to the filter by the manufacturer. These ratings have little to no value. An absolute rating gives the size of the largest particle that will pass through the filter or screen.So absolute ratings are better for representing the effectiveness of a filter over nominal ratings. Beta Rating The best and most commonly used rating in industry is the beta rating. The beta rating comes from the Multipass Method for Evaluating Filtration Performance of a Fine Filter Element (ISO 16889:1999). To test a filter, particle counters accurately measure the size and quantity of upstream particles per known volume of fluid, as well as the size and quantity of particles downstream of the filter. The ratio is defined as the particle count upstream divided by the particle count downstream at the rated particle size. Using the beta ratio, a five-micron filter with a beta 10 rating, will have on average 10 particles larger than five microns upstream of the filter for every one particle five microns or greater downstream. The efficiency of the filter can be calculated directly from the beta ratio because the percent capture efficiency is ((beta-1)/beta) x 100. A filter with a beta of 10 at five microns is thus said to be 90 percent efficient at removing particles five microns and larger. Caution must be exercised when using beta ratios to compare filters because
  • 22 2019-02
    Types of High Pressure Filters
    High pressure filters usually refer to filters with working pressure of 320bar and above. We mainly provide three types of high pressure filters, YPH series high pressure filters(420bar), PHA series high pressure filter(420bar) and HM5000 series filters(320bar). This article mainly introduces YPH series high pressure filters. Description YPH series high pressure filters are installed in the pressure pipeline of the hydraulic system to filter the solid particles and colloidal impurities in the working medium and effectively control the pollution degree of the medium. Technical Data Operating medium: mineral oil, emulsion, water-glycol, phosphate ester (resin-impregnated paper just for mineral oil) Operating pressure (max): 42MPa Operating temperature:- 25℃~110℃ Indicating pressure drop: 0. 7MPa Filtration rating: 3 microns to 60 microns Filter material: glass fiber, filter paper, stainless steel wi
  • 15 2019-02
    What's the Notch Wire Element? And Application of Notch Wire Elements.
    Notch Wire Element is made by winding specially treated stainless steel notch wire around a support frame. The shapes of Notch Wire Elements are cylindrical and conical. The element is filtered through gaps between stainless steel wires. Notch Wire Elements can be cleaned and reused like stainless steel mesh filter element. Filtration accuracy: 10.15.25.30.40.50.60.70.80.100.120.150.180.
  • 15 2019-02
    Hydraulic Filter Media Type
    Any fluid power system must use a hydraulic filter. These devices filter out contamination in fluids and keep the system running smoothly. Although most of these environments are closed, the plastic and rubber particles in the wear machine will always fall off, or dust and dirt will enter the circuit. Rusting or other oxidation may occur and harmful compounds may form in the medium. Since more than 85% of system failures are caused by contamination, it is important to have high quality hydraulic filters. The Media Type of Hydraulic Filters, Hydraulic filters come in a variety of materials: stainless steel wire mesh, glass fiber, cellulose paper and 80/20. They may have multiple layers and different backings to meet predetermined performance criteria. Depending on their materials and structure, they may be able to capture surface and/or deep contamination. Look at the different types of hydraulic filters here. 1. Stainless steel wire mesh filters. Due to the limitations of the size and structure of stainless steel wire, such filters cannot filter out very small particles. The main advantage of stainless steel wire mesh filters are that they have a longer service life than other types because they can be cleaned and reused. They are usually used in conjunction with hydraulic oils, coolants and lubricants. 2. Glass Fiber media hydraulic filters. They are made by bonding a microglass fiber material to a resin tha
  • 07 2018-12
    Visual examination of filter element
    Many filtration problems can be identified with a simple visual examination of filter element. Significant aspects include the following:filter element components, seals, pleat condition and filter media. 1.Filter element Components Examine components such as the end caps, center core and outer wrap. 1)If they are damaged, investigate whether damage could have caused the fluid to bypass the filter element. The fluid is not filtered any time fluid bypasses the element. 2)If the components show rust, it is possible that the fluid has water contamination. Water in oil could show up as high, abnormal particle counts. The water will also cause the element go into early bypass, which could result in dirty system oil. 2.Seals There are various seals on an element. The obvious ones are the elastomeric seals on the outsides of the end caps,
  • 09 2019-03
    High Pressure Inline Filter PHA
    The second high pressure filter PHA produced by our company can effectively replace sofima MHT pressure filters. High pressure inline filters are installed in the hydraulic pressure system to filter solid particle and slimes in medium and effectively control cleanliness. Its structure and connection form facilitate the integrated assembly of other hydraulic components. Technical Data Operating medium: mineral oil, emulsion, water-glycol, phosphate ester (resin-impregnated paper just for mineral oil) Operating pressure (max): 42MPa Operating temperature:- 25℃~110℃ Indicating pressure drop: 0. 5MPa By-pass valve unlocking pressure: 0.6MPa Filter head material: cast iron Filter bowl material: forged steel Seals material: standard NBR HOW TO ORDER THE COMPLETE FILTER
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