Patent ID: 6298878
Filing Date: 2001-10-09
Classification: F16K,Y10T

Abstract:
A ball cock valve for a railway vehicle, said ball cock valve comprises:(a) a main body portion possessing a primary-side opening and a secondary-side opening which face one another and an air exhaust aperture formed between said primary-side opening and said secondary-side opening, said air exhaust aperture being threaded;(b) a ball-shaped valve body rotatably disposed inside a cavity formed in said main body portion, said ball-shaped valve body having a communication aperture formed therein which connects said primary-side opening and said secondary-side opening and a side aperture which, consequent to its rotation, connects said air exhaust aperture and one of said primary-side opening and said secondary-side opening; and(c) an extension pipe having a threaded first end connected at said first end thereof to said air exhaust aperture, said extension pipe having a restrictor means connected to a second end thereof.