German tool-temp seals tool-temp models tool-temp prices

tool-temp seals are a common term for general seals, simply referring to lubricating oil seals. They are mechanical components used to seal grease (oil is the most common liquid substance in transmission systems, and also refers to general liquid substances), isolating the parts requiring lubrication in the transmission components from the output parts to prevent lubricating oil leakage. Seals used for static sealing and dynamic sealing (generally reciprocating motion) are called oil seals. The representative form of oil seals is the TC oil seal, which is a double-lip oil seal with a self-tightening spring fully covered by rubber; the term "oil seal" generally refers to this type of tc cased oil seal.

tool-temp seal features

1) No need to measure the seal working length during installation; 2) The shaft can be adjusted at any time; 3) No leakage occurs at startup because the seal has been pre-tested; 4) During installation, only the bolts tightening the seal cover need to be fitted, making it easy to ensure assembly quality; 5) Protects the sealing surface from contamination by debris or damage due to operational errors before installation or startup; 6) Can be readjusted after thermal expansion of the machinery; 7) Self-centering through fit; 8) Easy to remove the seal for cleaning and inspection without disassembling the pump equipment. The API682 standard recommends cartridge mechanical seals for all mechanical seals.

tool-temp seal startup preparation

1) Comprehensively check whether the mechanical seal, auxiliary devices, and pipeline installations are complete and comply with technical requirements. 2) Perform a static pressure test before starting the mechanical seal to check for leakage. If there is significant leakage, identify the cause and eliminate it. If ineffective, disassemble, inspect, and reinstall. The general static test pressure is 2~3 kg/cm². 3) Rotate the pump according to its direction to check if it moves lightly and evenly. If rotation is difficult or stuck, check for incorrect assembly dimensions or unreasonable installation.

tool-temp seal troubleshooting

1) Main factors causing oil seal leakage: Poor sealing of the oil seal is the main factor causing leakage. When the shaft wears and forms grooves, even replacing with a new oil seal may not achieve sealing because the contact pressure between the oil seal lip and the shaft decreases, resulting in insufficient interference between the oil seal lip diameter and the shaft diameter after installation. Taking the S195 diesel engine crankshaft oil seal as an example, the main reasons for poor sealing are analyzed as follows: (1) Poor manufacturing quality of the oil seal; (2) Poor quality of the shaft or bearing; (3) Improper use and maintenance; (4) Improper installation; (5) Improper storage, leading to adverse effects from environmental pollution. 2) Countermeasures for leakage due to poor oil seal sealing: Master basic knowledge to identify counterfeit and inferior products, and purchase high-quality, standard oil seals. During installation, if the outer surface roughness of the shaft diameter is low, or if there are rust spots, corrosion, burrs, or other defects, polish them smooth with fine sandpaper or an oil stone; apply clean engine oil or lubricating grease to the oil seal lip or the corresponding position on the shaft diameter. Apply sealant to the outer ring of the oil seal, wrap the keyway area on the shaft with hard paper to avoid scratching the oil seal lip, and use special tools to rotate and press the oil seal inward. Never hammer or force it, to prevent deformation of the oil seal or breaking the spring, which would cause failure; if the lip turns over, the spring falls off, or the oil seal tilts, it must be removed and reinstalled. Note: Do not arbitrarily tighten the inner spring when the shaft diameter is not worn and the oil seal spring elasticity is sufficient. Oil seals used in machinery generally operate under harsh conditions, with large environmental temperature differences, much dust, and frequent vibration causing changing stress conditions on components; therefore, frequent inspection, maintenance, and upkeep are required. If the shaft diameter and bearing are severely worn; if the oil seal rubber ages or the spring fails, repair and replace the corresponding parts in time. Troubleshoot abnormal heating of components or assemblies in time; avoid mechanical overspeed and overload operation to prevent increased temperature at the oil seal lip, rubber aging, and premature lip wear. Frequently check the engine oil level; if there are excessive impurities in the engine oil, such as alloy powder or metal iron filings, completely replace with new engine oil. The brand and quality of the replaced engine oil must meet seasonal requirements. It is recommended to add Met-Rx Super Sealant & Lubricant to the engine oil; it is an excellent gearbox additive that forms an inert material film on components, which can reduce oil seal leakage, extend the service life of oil seal gears, and reduce gearbox noise. The use of this Met-Rx super sealant lubricant will not contaminate the oil or cause deterioration.

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