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Flowserve-Durametallic-Pusher Seals - CRO

Pusher Seals - CRO

BRAND: Durametallic

A simple, proven and rugged design with dependability that has made it a favorite choice of maintenance personnel to seal ANSI chemical pumps. An economical, single coil spring, friction drive seal for use in ANSI chemical pumps with packing box seal chambers.


  • Power
  • Chemical
  • Water
  • General Industry

industry sectors

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


Operating Parameters

Up to 20 bar (300 psi), cryogenics to 260°C (500°F), Up to 23 MPS (4500 fpm)

Features & Benefits

Minimum number of seal components with heavy cross sections simplify installation and resist high levels of corrosion. Double CRO design has no wetted metals and a common spring. The CRO series is available off the shelf in standard configurations for all of the popular chemical pumps offered.


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