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Chicago Rawhide Hydraulic Seals
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Chicago Rawhide Piston seals
The basic demand on piston seals for hydraulic cylinders under the operating conditions, for which they have been chosen, is to maintain a high level of sealing performance during their service life.
The choice of the type of piston seal is to a great extent depending on the way in which the cylinder operates, i.e. in single-acting or double-acting operations. For a cylinder, which is exclusively single-acting, it is always best to choose the type of seal designed to provide optimum sealing qualities for single-acting functions with e.g. the thinnest possible lubrication film that can pass through the contact area between the seal and the cylinder tube surface.
The best sealing capacity of a double-acting cylinder is achieved by choosing a double-acting seal. A piston design where two single-acting seals on the piston for a double-acting cylinder are used can easily give rise to a breakdown. The reason is that a very high pressure can be trapped between the seals.
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Chicago Rawhide Rod seals
The rod seal is the seal in the hydraulic cylinder with the most demanding requirement specifications. In addition to normal wear and ageing, this seal is directly affected by irregularities on the rod surface. The rod seal is often the decisive factor for the function of the hydraulic cylinder in its entirety. Leakage through the rod seal can in some cases cause accidents and environmental damages. Therefore, it is of significant importance to make the correct choice of rod seal and not the least, to be familiar with the properties of other seal types in rod sealing system.
The rod seal’s task is very difficult since it must seal at both high and low pressure, often in combination with alternating high and low temperature. The rod seal must leave a certain lubrication film, thin enough to return into the cylinder after having passed an effective wiper seal. When choosing a rod seal, it is important to define the area of application and to make selection analyses with the support of carefully drawn-up requirement specifications. Rod seals are produced in several different designs in order to function at very varying operating conditions.
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Chicago Rawhide Wiper seals
Contamination particles in the hydraulic system are the most common reasons for breakdowns and short service life of seals. A major part of the particles reaches the system through the rod. The wiper seal’s task is to prevent this.
The wiper seal is nevertheless the most undervalued seal type in the hydraulic cylinder in relation to its important function. The choice of wiper seal should, however, be founded on as carefully drawn-up requirement specifications as the choice of piston and rod seals. The surrounding environment and service conditions must be taken into special consideration.
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Dalton Bearing Service is proud to offer a full line of Chicago Rawhide Hydraulic Seals. Whether you have questions on pricing or technical information for any Chicago Rawhide Hydraulic Seals , Dalton Bearing Service is ready to assist you. Please use the "Request for Quote" section of our website for a prompt response to any questions regarding Chicago Rawhide Hydraulic Seals.
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Chicago Rawhide Hydraulic Seals |
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