Ball valves - industrial pipe fittings, in which the shut-off or regulating body has the shape of a body of rotation, or a part of it, which rotates around its own axis arbitrarily located to the direction of flow of the working environment.
Ball valves - industrial pipe fittings, in which the shut-off or regulating body has the shape of a body of rotation, or a part of it, which rotates around its own axis arbitrarily located to the direction of flow of the working environment.
