Patent ID: 7549389
Filing Date: 2009-06-23
Classification: F16K,F25B

Abstract:
1. A ball valve apparatus for a refrigeration system, which comprises: a ball valve for controlling flow of refrigerant; and a moisture indicator for showing a moisture content of the refrigerant; wherein the moisture indicator and the ball valve are formed as one body, wherein the moisture indicator comprises: a body for containing refrigerant therein, which connects to the ball valve; an indication part for showing a moisture content of the refrigerant, which is arranged to stand upright in the bottom of the body; and a transparent window for allowing a user to check the color of the indication part with the naked eyes, which is formed on the upper surface of the indication part, and wherein the indication part has a shape of a cylinder and also includes at least one hole so as not to disturb the flow of the refrigerant.