Tag Archives: pump and valve packings

Fluid Sealing Association Releases Latest “Compression Packing Technical Manual”

The Fluid Sealing Association (FSA) has released the fourth edition of the “Compression Packing Technical Manual.” This update represents a four-year intensive joint effort of FSA and the European Sealing Association’s (ESA) compression packing technical committee’s new technical learnings. These learnings can help inform end users on industry best practices and performance characteristics of compression packings.

New sections to the manual have been added including:
- environmental controls
- compression packing vs. mechanical seals – leakage rates
- pump packing power consumption
- determining stuffing box dimensions

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Compensating for Oxygen Concentration

The air we breathe contains by volume 78% nitrogen, 21% oxygen and approximately 1% argon. Oxygen concentrations as high as 23% are considered acceptable by OSHA. However, in many areas of industry and medicine where technical or high-purity oxygen is used, oxygen concentrations can exceed 23% and create what is known as “flammable atmosphere,” leading to serious accidents and the inability for workers to self-rescue from hazardous situations when proper care is not taken.

Oxygen is non-flammable, but it is a fire promoter and can accelerate combustion and thus is a hazardous substance. Ignition may be caused by sparking, welding or using electric tools when concentrations rise above 23%. Materials of construction, education and testing go far to prevent these hazards in industrial settings.

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