Patent ID: 11898643
Assignee: NIBCO INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 15:
16. A dual union drain valve, comprising:
a tee-shaped valve body having a fluid passageway between a first port, a second port disposed opposite said first port, and a third port, said third port with a threaded external surface disposed perpendicular to said first and second ports;
a first valve assembly disposed at the intersection in said tee-shaped valve body, said first valve assembly including a ball with three openings that can be positioned within the fluid passageway, said ball coupled to a stem having a T symbol that corresponds to the three openings such that the side of the ball that has no fluid passageway opening is in alignment with the flat top of the T symbol;
a removable handle coupled to said ball, said removable handle permitting the rotation of said ball and said stem within said intersection when said handle is removed;
a second valve assembly disposed adjacent to said third port;
a first fitting with a first union coupling having an internal threaded surface that couples with an external threaded surface on said first port; and
a second fitting with a second union coupling having an internal threaded surface that couples with an external threaded surface on said second port.