Using Vespel® CR-6100 and reducing the wear ring clearances in your pumps is a great way to improve pump reliability, safety, and efficiency. It is simple to use in any workshop. The checklist below will help make sure your installation is a success!

The checklist below used along with Boulden’s Installation Guide for Vespel® CR-6100 will help make sure your installation is a success!

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Checklist items

 

 

 Vespel® CR-6100 installed as the stationary part (in compression)

 

 

 Rotating/mating part is metal

 

 

 Operating temperature less than 260°C/500°F

 

 

 Service is not an abrasive slurry requiring hard-coatings or special alloys

 

 

 Metal bore is prepared for the press fit with a small chamfer or radius at leading edge

 

 

 Vespel® CR-6100 is installed with the correct press fit? (Tables 1a/1b)

 

 

 Vespel® CR-6100 is retained against differential pressure?

 

 

 The Vespel® CR-6100 component has clearance necessary for axial thermal expansion?

 (Table 4)

 

 

 Clearance is correct based on component type?

  • Horizontal pump parts (Tables 2a/2b)
  • Vertically suspended pump bushings (Tables 3a/3b)
  • Vertically suspended pump wear rings (Tables 3a/3b)
  • Throat bushings (Tables 2a/2b/3a/3b)

 

 

 Rotor turns freely once the pump is assembled?

 

 

 Vertical pump rotor turns freely after coupled in the field?

 

 

 High pressure throttle bushings made with PERF-Seal™ design? (Contact Boulden for details)

 

Do you have any Questions or Comments on the above List? Contact Boulden Today

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