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How an O-Ring Functions

An O-Ring functions as a seal through the mechanical deformation of the elastomeric compound by mating metal surfaces. This creates a condition of "zero" clearance which blocks the liquid or gas being sealed.







 
 

O-Rings

 
 

O-Rings

An O-Ring functions as a seal through the mechanical deformation of the elastomeric compound by mating metal surfaces. This creates a condition of "zero" clearance which blocks the liquid or gas being sealed. The pressure which causes the O-Ring to move is supplied by mechanical pressure or "Squeeze" generated by proper gland design, material selection, and by the system pressure transmitted by the fluid itself.

Description

Figure 1 shows an O-Ring IMPROPERLY used. As installed, it is not deformed but retains it s natural round shape. With the applicaiton of pressure as in Figure 2, the O-Ring is likely to deform (as part of its design characteristic) or open a leakage path.

O-Rings
O-Rings Functionality

 

Section 1 | Section 2 | Section

American Seal & Packing 1537 E. McFadden Ave. Suite A, Santa Ana, CA. 92705
714-361-1435          Fax: 714-593-9701              Web:
http://www.americansealandpacking.com/

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