German beier technik seals, beier technik models, beier technik prices

beier technik 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 tightly closed sealing chambers and containers used for sealing letters and wills with stamps.

beier technik seal principles

Mechanical seals are shaft sealing devices that achieve leak prevention by maintaining contact between one or more pairs of end faces perpendicular to the axis, which slide relative to each other under fluid pressure and the elastic force (or magnetic force) of a compensation mechanism, supplemented by auxiliary seals. Common mechanical seal structures consist of a stationary ring (static ring), rotating ring (dynamic ring), elastic element spring seat, set screws, rotating ring auxiliary O-ring, and stationary ring auxiliary O-ring. Anti-rotation pins are fixed to the gland to prevent the stationary ring from rotating. The rotating ring and stationary ring may also be referred to as compensation rings or non-compensation rings, depending on whether they have axial compensation capability.

beier technik seal system composition

1) Seal chamber: In the past, seal chambers housing mechanical seals were stuffing boxes designed for soft packing seals. They are unsuitable for mechanical seals, not only because they are too small and have narrow clearances, but also because their simple cylindrical shape is inappropriate. International standards for enlarged mechanical seal chambers have been established. Furthermore, companies such as Durametallic in the US and the Fluid Engineering Study Group in the UK are researching rational mechanical seal chamber designs. These designs should facilitate fluid flow and heat dissipation, as well as the removal of solid particles, creating a favorable environment for the seal. 2) Volatile emission control system: Previously, attention was focused only on eliminating visible fluid leaks, neglecting the control of invisible volatile emissions. This has led to environmental pollution and hazards to equipment and personnel. Organizations such as the Sealing Technology Committee of the Society of Tribologists and Lubrication Engineers (STLE) in the US have issued guidelines for controlling volatile emissions from rotating machinery, compressors, and screw systems with mechanical seals, including SP-30 (1994), SP-32 (1990), and SP-33 (1991). SP-30 is implemented in three stages. It clearly defines barrier fluids and buffer fluids, clarifying erroneous or confused concepts. A barrier fluid is introduced between dual seals to completely block process fluid from leaking into the surrounding environment. The pressure of the barrier fluid is always higher than that of the sealed process fluid. A buffer fluid serves as a lubricant or cushion between dual seals, and its pressure is always lower than that of the sealed process fluid. 3) Auxiliary system integration: Mechanical seal auxiliary systems require integration of cooling, heating, and flushing systems. Pump circulation needs optimization, and condition monitoring systems are being studied and resolved. Auxiliary system integration is specified in the API-682 standard. 4) Gas barrier seal system: In the past, liquid-blocking-liquid or liquid-blocking-gas configurations were common in barrier seal systems. To simplify bulky barrier liquid systems, barrier gases are now used to block liquids or gases. Gas barrier seal systems may employ spiral groove gas seals with barrier gas, floating bushings with barrier gas, etc., to block gases and liquids.

beier technik seal precautions

1) Obtain a fixed quantity of oil seals. 2) From receipt to assembly, oil seals must be kept clean. 3) Before assembly, inspect the oil seals. Measure all dimensions of the skeleton oil seal to ensure they match the shaft and housing dimensions. Before installing the skeleton oil seal, clearly verify that the shaft diameter matches the inner diameter of the oil seal. The internal dimensions of the housing must suit the outer diameter width of the oil seal. Check the lip of the skeleton oil seal for damage or deformation, and check the spring for detachment or rust. Prevent the oil seal from being stored flat during transport, subjected to external squeezing or impact, which could compromise its roundness. 4) Perform machining inspection procedures before assembly. Verify that all dimensions of the housing and shaft are correct, especially the internal chamfer, which must not have a slope. The end faces of the shaft and housing must be machined smoothly. Chamfers must be free of damage and burrs. Clean the assembly area. There must be no burrs, sand, iron chips, or other debris at the shaft insertion point (chamfer), as these can cause irregular damage to the oil seal lip. It is recommended to use an r angle for the chamfer. 5) Regarding operational technique, use your hand to feel whether the surface is smooth and truly round. 6) Do not tear open the packaging paper of the skeleton oil seal too early before installation to prevent contaminants from adhering to the seal surface and entering service. 7) Before installation, apply an appropriate amount of lithium-based grease containing molybdenum disulfide between the lips of the skeleton oil seal. This prevents dry wear on the lip during instantaneous shaft startup, which could affect the lip's interference fit. Assemble as soon as possible. If the oil seal housing with the installed seal is not immediately mounted, cover it with a cloth to prevent foreign matter from adhering to the seal. Hands or tools applying lithium grease must be clean. 8) Skeleton oil seals must be installed flat, without tilting. It is recommended to use hydraulic equipment or sleeve tools for installation. Do not apply excessive pressure; the speed should be uniform and slow. 9) Mark the machine on which the skeleton oil seal is installed for tracking purposes, and carefully monitor the entire process.

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