Ramie

Carbon Graphite 2000

 

CONSTRUCTION
Style 2421 packing is manufactured from the finest quality ramie yarns with PTFE suspensoid in a square plait construction. An additional break-in lubricant is added to minimize shaft wear and to allow for expansion during the break-in period.

APPLICATION / SERVICE
Style 2421  is a well lubricated, medium-hard packing with very low frictional characteristics, which assures minimal shaft wear. The ramie yarn is rot and mildew resistant, making the packing ideal for marine use, handling cold water, salt water and cold oils. In the marine industry, it is recommended for sealing stern tube and rudder post stuffing boxes. This style is also used for certain pump and valve applications in the pulp and paper, water/wastewater, and mining industries.

SERVICE LIMITS
Type Description Value
Temperature Limits: Minimum
  Maximum 260°F (130°C)
Pressure Limits: Rotating 300 psi (20 bar)
  Reciprocating 300 psi (20 bar)
  Static 450 psi (30 bar)
Shaft Speed:   1950 fpm (10 m/s)
pH:   5-11
APPROXIMATE YIELDS (+/- 10%)
Size Feet/Pound Size Feet/Pound
1/8″ 60 5/8″ 4.6
3/16″ 40 3/4″ 2.9
1/4″ 27 7/8″ 2.3
5/16″ 16 1″ 1.8
3/8″ 11 1-1/8″ 1.4
7/16″ 8.7 1-1/4″ 1.2
1/2″ 7.4 1-1/2″ 0.8
9/16″ 5.3

 

Properties and application parameters shown throughout this datasheet are typical. Your specific application should not be undertaken without independent study and evaluation for suitability. For specific application recommendations consult TEADIT. Failure to select proper sealing products could result in property damage and/or serious personal injury. Specifications are subject to change without notice. This edition supersedes all previous issues.

 

 

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