Double stop valve for demounting central heating radiator, has two valve bodies machined for permitting interior water passage, which is closed by ball pierced in its center

摘要

The valve has two valve bodies made up of non corrodible material such as brass. The bodies are machined for permitting interior water passage with a diameter of 10 millimeters. The passage is closed by a ball pierced in its center. A quarter turn screw pivots at 90 degree for placing the ball such that the water passage is opened or closed.