Ball valve of unitary construction
First Claim
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1. A ball valve unit comprising:
- a ball section, said ball section defining a stem chamber and a ball chamber, said stem chamber disposed adjacent to and extending outwardly from said ball chamber;
a ball valve including a ball, said ball disposed completely within said ball chamber;
a stem disposed within and extending outwardly from said stem chamber and connected to said ball disposed within said ball chamber, an exposed portion of said stem extending beyond said stem chamber;
a handle connected to said exposed portion of said stem disposed within said stem chamber and connected to said ball, wherein actuation of said handle effects actuation of said ball for operating said ball valve unit;
a drain section substantially adjacent to said ball section; and
a drain valve disposed in said drain section.
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Abstract
A ball valve unit for shutting off the flow of fluids flowing in heating and plumbing systems. The ball valve unit includes a ball valve and a main section including a flange formed integrally with the main section. A chamber is formed in the main section for receiving the ball of the ball valve. The main section is made of brass in order to prevent galvanic action between ball valve unit and the heating/plumbing system.
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Citations
6 Claims
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1. A ball valve unit comprising:
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a ball section, said ball section defining a stem chamber and a ball chamber, said stem chamber disposed adjacent to and extending outwardly from said ball chamber;
a ball valve including a ball, said ball disposed completely within said ball chamber;
a stem disposed within and extending outwardly from said stem chamber and connected to said ball disposed within said ball chamber, an exposed portion of said stem extending beyond said stem chamber;
a handle connected to said exposed portion of said stem disposed within said stem chamber and connected to said ball, wherein actuation of said handle effects actuation of said ball for operating said ball valve unit;
a drain section substantially adjacent to said ball section; and
a drain valve disposed in said drain section. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification