The API gland 15-9

The seal gland is that part that holds the stationary half of the mechanical seal and attaches to the stuffing box. The most universally used gland is labeled the American Petroleum Institute (API) gland:

The API (American Petroleum Institute) gland incorporates several important environmental controls and safety features. It should be specified for all petroleum refinery service because of the danger of an explosion or fire, but should also be recommended any time you are pumping any type of dangerous product. The gland has several features you need to understand:

Let's take a closer look at some of these features and see where we might take advantage of them outside of the petroleum industry:

The Disaster Bushing

The Quench, or Drain and Vent connection

Flushing connection:

 

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