A.W. Chesterton:
  860 Salem Street - Groveland, MA 01834, USA
  Phone: (978) 469 - 6446  Fax 1: (978) 469 - 6594  Fax 2: (978) 469 - 6789    www.chesterton.com

Name: 477-1General Service Valve / Pump Packing
Type: Pump/Valve Packing
Product Line: Mechanical Packing

Chesterton’s 477-1 is a pump and valve carbon fiber packing. It combines a new yarn formulation with superior blocking agents.The interbraid construction locks in the blocking agents within the packing ring which prevents penetration of gases or liquid through the packing.

Typical applications include virtually all pumps and valves against most solvents, gases and other liquids.

  • Strong yet pliable, without the brittleness of conventional packing
  • Incorporates a unique inorganic blocking agent that stops gas/liquid penetration
  • Uses a molybdenum based corrosion inhibitor that prevents stem pitting
477-1General Service Valve / Pump Packing: General service valve and pump packing

 Compare to:     
4771 [Use: ENGLISH : Metric Units]
 
   3000 fpm
 
   3600 psig
   1050 °F
 
 .125 - 1 Inch

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Catalog
MSDS 1
 

Technical Data
Size (Inch): 1/8" - 1" (3,0 MM - 25,5 MM) Special Sizes available
Pressure: 3600 psi (250 BAR) in Valve Applications and 200 psi (14 BAR) in pump Applications
Temperature: 1050°F (565°C)
Chemical Resistance: pH 0-13 except oleum, fuming nitric acid, aqua regia, and fluorine
Speed: 3000 fpm (15 mps)