Rotary joint shroud having set-up gauge and seal wear indicator

A rotary joint for connecting a stationary body to a rotating body, comprising:

• a rotatable wear plate connectable to the rotating body and having a seal ring seated in the wear plate;
• a spring biased piston for engaging and maintaining the seating of the seal ring against the wear plate, wherein the piston is spring biased by a plurality of compression springs that are compressed between an end flange and the piston to bias the piston toward the seal ring;
• a shroud connected to the end flange, and the end flange and the piston being at least partially disposed within the shroud, wherein the shroud has at least one aperture extending there through;
• and
• the piston having a plurality of annular alignment rings formed thereon, and the plurality of alignment rings viewable through the at least one aperture in the shroud to confirm the proper distance between the end flange and the piston in order to establish the proper spring force applied to the piston against the seal ring.

A rotary joint for connecting a stationary body to a rotating body, comprising:

• a rotatable wear plate connectable to the rotating body and having a seal ring seated in the wear plate;
• a spring biased piston for engaging and maintaining the seating of the seal ring against the wear plate, wherein the piston is spring biased by a plurality of compression springs that are compressed between an end flange and the piston to bias the piston toward the seal ring;
• a shroud connected to the end flange, and the end flange and the piston being at least partially disposed within the shroud, wherein the shroud has at least one aperture extending there through;
• the piston having a plurality of annular alignment rings formed therein, and the plurality of alignment rings viewable through the at least one aperture in the shroud to confirm the proper distance between the end flange and the piston in order to establish the proper spring force applied to the piston and against the seal ring;
• and
• a seal wear indicator connected to the piston and moving between an exposed position, wherein the seal ring is not worn, and a non-exposed position, wherein the seal ring is worn.