German ernst glogar seals, ernst glogar models, ernst glogar prices

ernst glogar seals are devices that prevent fluid leakage, consisting of at least one pair of faces perpendicular to the axis of rotation. These faces remain in contact and slide relative to each other under the action of fluid pressure and the elastic force (or magnetic force) of the compensation mechanism, along with the assistance of auxiliary seals. Mechanical seals where the elastic loading mechanism and auxiliary seal are metal bellows are referred to as metal bellows seals. In light-duty seals, rubber bellows are also used as auxiliary seals; however, since the elastic force of rubber bellows is limited, springs are generally required to supplement the loading force. Mechanical seals are commonly abbreviated as "mechanical seals".

ernst glogar 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 during startup because the seals have been pre-tested; 4) Installation only requires tightening the seal cover bolts, making it easy to ensure assembly quality; 5) Protects the sealing surfaces 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) Seals can be easily removed for cleaning and inspection without disassembling the pump equipment. The API682 standard recommends the use of cartridge mechanical seals for all mechanical seals.

ernst glogar seal startup preparation

1) Conduct a comprehensive inspection of the mechanical seal, as well as the completeness and technical compliance of the installation of auxiliary devices and pipelines. 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 this is ineffective, disassemble, inspect, and reinstall. The static pressure test pressure is generally 2~3 kg/cm². 3) Rotate the pump according to its direction of rotation to check if it moves smoothly and evenly. If rotation is difficult or stuck, check for errors in assembly dimensions and reasonable installation.

ernst glogar seal precautions

1) Obtain a fixed quantity of oil seals. 2) Keep clean from the time the oil seal is received until assembly. 3) Before assembly, inspect the oil seal. Measure all parts of the skeleton oil seal to ensure dimensions match the shaft and housing. Before installing the skeleton oil seal, clearly compare the shaft diameter with the inner diameter of the oil seal to ensure they match. 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 placed flat during transport, subjected to external squeezing and impact, which could compromise its roundness. 4) Perform machining inspection procedures before assembly. Measure whether the 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, with no damage or burrs on the chamfers. Clean the assembly area. There must be no burrs, sand, iron filings, 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 if 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 debris from adhering to the seal surface and entering into operation. 7) Before installation, apply an appropriate amount of lithium-based grease with molybdenum disulfide between the lips of the skeleton oil seal to prevent dry grinding of the lip during instantaneous shaft startup, which affects the lip 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 the lithium grease must be clean. 8) Install the skeleton oil seal flat, without tilting. It is recommended to use hydraulic equipment or a sleeve tool for installation. Do not apply excessive pressure; the speed should be uniform and slow. 9) Mark the machine on which this skeleton oil seal is installed for tracking purposes, and pay close attention to the entire process.

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