NA 719

A high grade multipurpose braided packing made from expanded pure graphite yarns with a carbon core and high grade structural carbon corners, in interlock braid

  • One of the most versatile packings for plant wide pump and valve use
  • The unique structure of the packing, made from expanded graphite yarns having a core of high grade carbon yarns, further reinforced with outside corners of carbon yarns, make the packing one of the best performers for pumping applications
  • Fantastic dry running capabilities—the packing is almost ‘flushless'
  • Proven for regular as well as aggressive fluid services, including FCC catalyst, cooling water, pulp etc
  • A corrosion inhibitor prevents stem pitting

Available in rope and ring form

Service Media and Conditions Caustics, water, steam, FCC catalyst and bottom slurry (refinery), DM water, all hydrocarbons, non-abrasive liquor, condensate, hypo, boiler feed water, fuel-lube oil, acid and alkali regeneration pumps
Temperature -240°C to 650°C
Pressure 345 bar (static), 35 bar (rotary)
Shaft Speed 25 m/sec (rotary)
pH 0 to 14
Applications Pumps, valves