Live-Loaded Packing With Load Scale – For extremely high temperature and high pressure applications, a graphite packing arrangement that does not include PTFE packing washers…
Author: Jack
Low Leakage Graphite Packing – When low leakage is required at higher temperatures and pressures, graphite packing rings are included in the packing arrangement. Refer…
Low-Leakage PTFE Packing – PTFE cold forms easily and it does not have good memory; i.e., after PTFE becomes deformed, it does not return to…
Low Leakage Packing – In North America, the Environmental Protection Agency (EPA) has recently enacted strict guidelines for the maximum allowable leakage of specific pollutants…
Jam Style Graphite Packing Arrangements – Graphite packing arrangements are commonly specified in applications where high temperatures (temperatures above 450 degrees F) disallow the use…
Jam Style PTFE Packing Arrangements – In some applications, a jam style packing arrangement is preferred to the spring-loaded design. A double, jam style, PTFE…
Spring-Loaded PTFE Packing Arrangements – Spring-loaded PTFE packing arrangements are very common. A spring loaded PTFE arrangement is illustrated in Figure 26. The packing box…
Figure 24 shows the gaskets that are included in a standard cage-guided valve. Spiral-Wound Gasket – Temperature gradients can cause the combined height of the…
Erosion concerns deal with the ability of a selected material to resist the wear that results from the impingement of dirt, scale, sand, vapor droplets,…
NACE MR0175 – The National Association of Corrosion Engineers (NACE) has issued Standard MR0175 that specifies proper materials, heat-treating conditions, and strength levels that are…