Abstract: A valve for an inflatable bladder is provided with a valve seat including an annular flange and flexible supports surrounded by the annular flange; a positioning member surrounded by the flexible supports, the positioning member including a central hole; a diaphragm having a central portion secured to the central hole and an outer edge releasably secured to a bottom of the valve seat; and a cap for securing onto the valve seat.

Abstract: An individual hydration unit includes a bag having a first chamber and a second chamber, the first chamber is connected with a first hose and the second chamber is connected with a second hose. A regulator is connected to the first and second hoses and connected to a third hose. The regulator includes a cylindrical body which has a first passage, a second passage and a third passage. An operation rod is rotatably inserted in the body and includes two first paths, two second paths, a third path and two fourth paths. The first, second, third and fourth paths are in communication with each other. By rotating the operation rod, the first, second and third passages are controlled to be opened and/or closed so as to mix the liquids in the two chambers as desired. A connection assembly is attached to the body for convenience of carried.

Abstract: An individual hydration unit includes a bag having a first chamber and a second chamber, the first chamber is connected with a first hose and the second chamber is connected with a second hose. A regulator is connected to the first and second hoses and connected to a third hose. The regulator includes a cylindrical body which has a first passage, a second passage and a third passage. An operation rod is rotatably inserted in the body and includes two first paths, two second paths, a third path and two fourth paths. The first, second, third and fourth paths are in communication with each other. By rotating the operation rod, the first, second and third passages are controlled to be opened and/or closed so as to mix the liquids in the two chambers as desired. A connection assembly is attached to the body for convenience of carried.