German Origa seals Origa models Origa prices

Origa 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 in transmission systems, and also refers to general liquids), isolating lubricated parts from output parts in transmission components 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. Generally, when people refer to oil seals, they often mean this type of tc skeleton oil seal.

Origa seal construction

The skeleton oil seal structure consists of three parts: the oil seal body, the reinforcing skeleton, and the self-tightening helical spring. The sealing body is divided into the bottom, waist, cutting edge, and sealing lip according to different parts. Usually, in its free state, the inner diameter of the skeleton oil seal is smaller than the shaft diameter, meaning it has a certain "interference fit." Therefore, after the oil seal is installed on the oil seal seat and shaft, the pressure from the oil seal cutting edge and the contraction force of the self-tightening helical spring generate a certain radial tightening force on the shaft. After running for a period of time, this pressure will rapidly decrease or even disappear, so the spring can compensate for the self-tightening force of the oil seal at any time.

Origa seal usage guide

1) When the gearbox lubricating oil volume is ≤ 7 liters, the addition amount per liter of lubricating oil is 20‐30ml; 2) When 7‐15 liters, the addition amount is 15‐20ml per liter of lubricating oil; 3) When >15 liters, the addition amount is 10ml per liter of lubricating oil; 4) Oil seals not in temporary use should be properly stored to prevent contamination with oil stains, dust, or exposure to sunlight. 5) When the shaft diameter wears into a "V" shaped groove, causing the contact pressure between the new oil seal lip and the shaft to drop and fail to seal oil, the displacement method can be used for compensation.

Origa seal frequently asked questions

The perpetual pursuit for chemical equipment is zero leakage in sealing, which has driven the increasing adoption of magnetic drive pumps and canned motor pumps. However, achieving true zero leakage still has a long way to go, such as addressing the service life of isolation cans in magnetic drive pumps and shielding cans in canned motor pumps, material pitting corrosion issues, the need for corrosion-resistant high-quality sealing materials, and the reliability of static seals, among others. The following provides a brief introduction to basic aspects of sealing: 1. Sealing types For static seals, typically only gaskets and O-rings are used, with O rings being the most widely applied; for dynamic seals, chemical pumps rarely use packing seals, relying primarily on mechanical seals. Mechanical seals are categorized into single-face and double-face, balanced and unbalanced types. Balanced types are suitable for sealing high-pressure media (typically referring to pressures greater than 1.0MPa). Double-face mechanical seals are mainly used for media that are high-temperature, prone to crystallization, viscous, contain particles, or involve toxic volatiles. An isolating fluid should be injected into the seal chamber of double-face mechanical seals, with its pressure generally 0.07 to 0.1MPa higher than the medium pressure. 2. Sealing materials Static seals in chemical pumps typically use fluororubber, with PTFE materials adopted only in special cases. The material configuration of the rotating and stationary rings in mechanical seals is critical. It is not necessarily optimal to pair cemented carbide with cemented carbide; besides the high cost, it is unreasonable if there is no hardness difference between the two. Therefore, selection should be based on medium characteristics (Note: The American Petroleum Institute API610 Eighth Edition provides relatively detailed specifications for typical configurations of mechanical seals and piping systems in Appendix D).

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