Premium Braided Mechanical Packing
Style 50/52
Patented Technology
SWEET SPOT & BEST USES:
Acid Slurries, Downwell pumping and other mining applications.
50% PTFE impregnated Polyimide fiber / 50% “C” filament fiberglass
Construction
A combination of 50% PTFE impregnated, high strength synthetic Polyimide yarn and 50% “C” filament fiberglass. These are twisted together to form individual strands, creating a continuous interaction between the two fibrous elements. The strands are then cross-lock braided. The finished braid is fully penetrated with PTFE.
Characteristics
- The intimate “all-points” combination of the yarns permits the fiberglass to conduct heat away from the shaft and the synthetic fiber throughout the packing mass, thereby aiding dimensional stability and constant sealing effectiveness.
- The “C” filament fiberglass and substantial PTFE permeation increase chemical resistance.
- The superior density reduces migration of particles under pressure.
Applications
Excellent as a superior general service pump packing. Ideal for all applications where non-staining is important. Very “easy” on shafts.
Base Materials
- Polymide
- Glass
GENERAL APPLICATIONS
- Rotary & Reciprocating
- Valve & Reciprocating
Reported Values of PerformANCE
Max Temp in Fº
500
pH Range
1-12
Surface Velocity in FPM
2800
Non-Oxidizing Temp in Fº
NA
Pressure in PSI
NA
KEYWORDS
Downwell, Slurry, Mining, Downhole
CHARACTERISTICS CHART
Cutting Ease
4
Cut Cleanliness
5
Extrusion Resistance
4
Abrasion Resistance
3
Pounding Resistance
3
Heat Dissipation
3
Shaft Scoring
4
Installation Ease
3
Deformation Resistance
4
Ability to Conform
2
Resistance to Acids
4
Resistance to Caustics
2
Dimensional Stability
4
Removal Ease
5
5 is Excellent and 1 is Marginal. This chart is provided as a guide in selecting the packing material that best meets your application needs. The listed ratings assume average conditions of rotating equipment, adequate flushes, and use of product within published parameters.