Tank for liquid or semi-liquid materials, e.g. mixtures of oil and water, has distribution valves and sampling devices each of which is fitted with valve opened periodically by cyclic timer or controlled by flow through distribution valves

摘要

The tank for liquid or semi-liquid materials has distribution valves and sampling devices (6, 7), each of which is fitted with a valve (2, 3). The valves are opened periodically by a cyclic timer or are controlled by the flow through the distribution valves. The samplers may operate in succession.