FAQ | PTFE Packing
PTFE Packing FAQs
What is the difference between valve packing and pump packing?Can pump and valve packings be used interchangeably?
Does Phelps have materials and gaskets that meet USDA requirements?
Which gaskets can I use for FDA applications?
How do I calculate the cross-sectional (c/s) size and the quantity of Compression Packing rings?
What is the difference between butt and skive cut rings?
- What is the difference between valve packing and pump packing?
Related: Compression PackingIn the case of pumps, the packing is generally designed to allow some leakage between the sleeve/shaft and packing to provide lubrication and heat rem Read more...
- Can pump and valve packings be used interchangeably?
Related: Compression PackingIn general, you some pump packing can be used in valves, but valve packing must not be used in pump application. Some packing is specifically designed Read more...
- Does Phelps have materials and gaskets that meet USDA requirements?
Related: Food Grade NitrileYes, Phelps carries many materials with that are Food Grade and meet the FDA and USDA requirements Phelps Food Grade Nitrile Phelps Food Grade Pac Read more...
- Which gaskets can I use for FDA applications?
There are quite a few classes of materials that are safe for use in Food applications, and thereby FDA compliance. Phelps Style 7205 is F Read more...
- How do I calculate the cross-sectional (c/s) size and the quantity of Compression Packing rings?
Related: Compression PackingTo calculate the required number of packing rings you will need the stuffing box depth divide by the packing C/S and round to the nearest whole number Read more...
- What is the difference between butt and skive cut rings?
A butt cut joint is typically a straight on a piece of packing when the ends are joined.These cuts or joints are primarily used in rotating applicatio Read more...