- In common measuring and regulation circuits of systems of industrial automation, especially for heat plants.

- To close impulse piping if it is necessary to disconnect pressure difference sensor or pressure difference sensor and interconnect both inlet pressures when adjusting zero of the pressure difference sensor at operation pressure;

- For venting (draining) and inspection (test) of the sensor;

- As pressure equipment of category I pursuant to the Decree of the Government 26/2003 Coll. (compliance assessment module B+D);

- As special design in the purity grade for oxygen (code P2S);

The valves are rated products pursuant to the Act No. 22/1997 Coll. and the Declaration of Conformity EC-984000 is issued for them.