Skip to main content

Flowserve-Durametallic-Pusher Seals - RA

Pusher Seals - RA

BRAND: Durametallic

A single balanced seal designed to mount outside the seal chamber. No wetted metal parts (RA-C) reduce seal costs for highly corrosive services, especially on non-metallic pumps. Installs easily on the outside of the seal chamber and is suitable for metallic and nonmetallic equipment such as plastic, glass, and lined designs.


  • General Industry
  • Chemicals
  • Water
  • Power

industry sectors

  • Pulp & Paper
  • Mining
  • Steel & Primary Metals
  • Food & Beverage
  • Corn Wet Milling & Ethanol
  • Other Industries
  • Basic (Organic & Inorganic)
  • Specialty (Fine & Consumer)
  • Biofuels
  • Pharmaceutical
  • Water
  • Waste Water
  • Agriculture
  • Water Management
  • Nuclear
  • Conventional Steam
  • Geothermal
  • Combined Cycle
  • Concentrated Solar Power (CSP)
  • Biomass and MSW
Operating Parameters

Up to 400 psi (27.6 bar)
Up to 400°F (204°C)
Up to 75 fps (23 m/s)
0.500 to 5.000 inch
(13 to 127 mm)

Features & Benefits
  • Seal faces and elastomers are the only wetted components and are readily available in a wide range of materials for proper corrosion resistance.
  • RA seal uses a composite rotor with an economical seal face insert. RA-C seal uses a solid ceramic rotor with a protective PTFE shroud.
  • Drive collar, springs, and drive pins are isolated from the product to avoid the need for expensive alloys in highly corrosive services.


Our global expertise and local service centers ensure that you stay up and running. Learn more about our services.

Learn More

Use Flowserve VirtualPlant 3D models of various plant types to help you 'see' our capabilities in key industrial applications.

Explore Now