Single acting NBR piston seal with rubberised fabric reinforcement & clip on POM anti-extrusion ring.

- Design -

CLARON STYLE CPE is designed for use as a single acting Piston seal. The seal is a precision moulded Nitrile rubber sealing element with a fabric reinforced base to resist extrusion. Style CPE also has the added benefit of a clip on POM anti-extrusion ring. Designed with initial radial interference to effect low pressure sealing, at higher pressures the seal is energised thus increasing the sealing force. Rubberised fabric has the advantage of retaining the sealing media within it's surface, thus reducing friction and wear. Style CP is produced with radial grooves incorporated into the top of the seal on the pressure side. This innovative design ensures a rapid energisation of the seal without excessive end float and resultant wear. Style CP is an effective design over a wide range of applications.

- Operating Conditions -

Maximum Pressure

Max Speed
Temp. Range
-30°C to 100°C
250 Bar
400 Bar
These range perameters are Maximum simultaneous conditions.
Optimum service conditions are affected by temperature, speed, pressure, surface finish and extrusion gaps.

Note: Clearance gap F is the maximum permissable. i.e. gap completely on one side, in the temperature range of -30°C to 100°C.
The use of a suitably selected Claron bearing ring will effectively reduce the clearance gap F max. to a value closer to F/2 thus increasing the pressure capability of the seal.

- Housing -

For surface finish and recommended lead in chamfers refer the illustration below. For housing dimensions and machining tolerances refer to the table of recommended sizes and Tolerance Tables for value of tolerence symbols

- Fitting -

Style CPE is designed to be fitted onto a spit and may be used together with Claron Style PSR retainer.
For the seal to function correctly, it is important that care be taken in fitting the seal within its housing. For details refer to Seal Installation.

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