When selecting the correct packing for a service, which factor is of little consequence?

In the context of selecting the correct packing for a service, the location of the equipment upon which it will be installed is often of little consequence compared to other factors. This is because the primary purpose of packing is to create a seal that prevents leakage of the fluid being contained.

Factors like operating temperature, type of fluid, and pressure rating are critical to ensuring the packing material can withstand the conditions it will face. For example, operating temperature can affect the material properties of the packing, influencing its ability to perform effectively without degrading. Similarly, the type of fluid—whether it's corrosive, abrasive, or viscous—determines the compatibility of the packing material, as certain materials may react negatively with specific fluids. The pressure rating is essential because it informs the packing's ability to maintain integrity under varying pressures, ensuring that the system remains sealed.

In contrast, while the location of the equipment may help guide installation practices or accessibility, it typically does not impact the functional performance of the packing material itself. Therefore, it is less significant compared to the other factors in determining the suitability of packing for a specific application.