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Stationary Seals

Stationary Components

Generally O-Ring mounted stationary components, or seats, are available in various materials to suit application requirements.

Some designs feature a pin groove to improve seat retention. It is important to consider the application conditions and condition of the equipment when selecting a stationary component.

The stationaries illustrated are those commonly found in use today.

Stationary Materials

Stationary face material should be selected based on application and Rotary face selection. Common combinations are shown in the tab Face Combinations.

[No Max Operating Limits available]
Elastomer Selections
Material
Temperature
Recommendations
Ethylene Propylene
-40°C to +140°CGeneral applications, especially hot water. Must not come into contact with Oils.
Nitrile
 -30°C to +120°CStandard Material. Suitable for medium duty applications. Not recommended for hot water.
PTFE
 -60°C to +250°CSuitable for general chemical applications. Not recommended for hot water.
Viton®
-30°C to +230°C
Suitable for general chemical applications. Not recommended for hot water.
Face Combinations (Stationary)
Carbon
Alumina Ceramic Silicon Carbide Stainless Steel 
Not Recommended
Standard Duty Increased Performance
Standard Duty 
Standard DutyNot RecommendedNot RecommendedNot Recommended
Increased PerformanceNot Recommended Not Recommended
Other combinations available on request

Face Combinations (Rotary)
Carbon
Alumina Ceramic Silicon Carbide Stainless Steel 
Not Recommended
Standard Duty Increased Performance
Standard Duty 
Standard DutyNot RecommendedNot RecommendedNot Recommended
Increased PerformanceNot Recommended Not Recommended
Other combinations available on request
NL: 072 - 514 18 44
BE: 03 829 27 12
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This is a printed version of Mechanical-Seals.info of ERIKS nv.
© ERIKS nv, 2016.