Abstract: An improved valve apparatus and a method of operation thereof having a spring retainer member means suitable for accommodating a spring means therein for operably coupling thereabove a pipe coupling body means are disclosed. Inside the pipe coupling body means is a ball headed member means having an aperture passing therethrough for blocking off or allowing passage of medium through the pipe coupling body means. The spring retainer member means is turned in one direction in order to allow unimpeded passage or to control the amount of flow thereof of said medium and can be rapidly and efficiently sprung back to its original position in order to completely block off the passage of said medium through the pipe coupling body means for a rapid and efficient "on-off" control thereof.

Abstract: An improved valve apparatus and a method of operation thereof having a spring retainer member means suitable for accommodating a spring means therein for operably coupling thereabove a pipe coupling body means are disclosed. Inside the pipe coupling body means is a ball headed member means having an aperture passing therethrough for blocking off or allowing passage of medium through the pipe coupling body means. The spring retainer member means is turned in one direction in order to allow unimpeded passage or to control the amount of flow thereof of said medium and can be rapidly and efficiently sprung back to its original position in order to completely block off the passage of said medium through the pipe coupling body means for a rapid and efficient "on-off" control thereof.