German A.T.S seals A.T.S models A.T.S prices

A.T.S seals are materials or components that prevent leakage of fluids or solid particles from adjacent mating surfaces and prevent external contaminants such as dust and moisture from entering machinery. The recommended storage temperature for seals is below 30 °C to avoid high-temperature aging. Seals are classified into static seals and dynamic seals. Their main function is to prevent leakage of fluids or solid particles from adjacent mating surfaces and to prevent external contaminants such as dust and moisture from entering machinery. Static sealing refers to the tight closure of sealed chambers or containers used for sealing letters and testamentary seals.

A.T.S seal classification

Seals can be divided into two major categories: static seals and dynamic seals. Static seals mainly include gasket seals, sealant seals, and direct contact seals. Based on operating pressure, static seals are further divided into medium/low-pressure static seals and high-pressure static seals. Medium/low-pressure static seals commonly use softer, wider gaskets, while high-pressure static seals use harder metal gaskets with very narrow contact widths. Dynamic seals can be divided into two basic types: rotary seals and reciprocating seals. Depending on whether the seal contacts the relatively moving component, they are classified as contact seals and non-contact seals. Based on the seal and contact location, they are divided into circumferential seals and face seals; face seals are also known as mechanical seals. Centrifugal seals and spiral seals in dynamic sealing rely on the energy imparted to the medium during machine operation to achieve sealing, hence they are sometimes referred to as power seals.

A.T.S seal usage guidelines

1) Select appropriate seal materials and hydraulic oil, ensuring compatibility with operating temperatures and oil. 2) High geometric positional accuracy (concentricity) of parts sliding relative to the seal, good material quality (e.g., hard chrome plating), and fine surface roughness can extend service life. (1) For oil seals used on hydraulic pump and motor shaft journals, the sliding surface roughness must be within Ra 0.25m, and the surface must be hard chrome plated. During actual use, the radial spring force of the oil seal lip should be appropriately adjusted to ensure proper tension. An installation sleeve or thin shim must be used during installation to protect the seal ring, preventing the lip from rolling or twisting, which could cause the spring to slip out. (2) The inner surface of hydraulic cylinder barrels is commonly processed by roller burnishing, which not only improves surface roughness but also induces cold work hardening, helping to extend the service life of seal rings. In addition, operating pressure, sliding surface length, and type significantly affect service life. Therefore, "scheduled inspection" intervals should be determined based on these conditions. (3) Ensure good lubrication of the sealing surface and prevent contaminant ingress. Using oil fluids that meet specified cleanliness grades and correct installation methods are also essential conditions. Seal storage: 1). The recommended storage temperature for seals is below 30 °C to avoid high-temperature aging; 2). Seals must be stored in sealed packaging to avoid contact with moisture or dust in the air; 3). Seals must be protected from strong light exposure to avoid erosion by ozone in the air or premature aging. Performance factors vary for different seals; for example, factors affecting mechanical seals (such as packing seals) include temperature, medium, wear, and pressure.

A.T.S seal precautions

1) Before designing grooves, carefully read the product descriptions for each series to distinguish whether the product uses an integral groove or a split groove. During seal installation, avoid sharp edges. Installing bore seals into integral grooves requires installation tools. Designers must consider groove dimensional accuracy, surface roughness, extrusion gap, and other parameters; please refer to product instructions, diagrams, and dimension tables. 2) Before installing seals, ensure there are no impurities or cracks in the seal groove. Apply assembly oil to both the seal groove and the seal surface. Install seals gradually in sequence. Avoid sharp edges during installation, align the seal properly, and prevent twisting or misalignment. If using a split groove, tighten the pressure cover last.

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