Solenoid valve with a membrane serving as a closure part
DE1083285B
Steam-heated heat exchanger arranged in a closed steam condensate circuit system of a district heating plant
DE1091137B
Steam-heated heat exchanger
DE1038356B
Combined shut-off and check valve
DE1060883B
Steam-heated heat exchanger, the heating pipes of which are arranged between a steam chamber and a condensation chamber
DE1042327B
Device for regulating the flow of liquid in pipeline systems and the like like
DE1029208B
Control valve with a hollow control body attached to the inner wall of the valve housing in the direction of flow of the medium and leaving an annular channel free
DE1005334B
Remote drive for shut-off valves with a rotatable, but axially immovable locking piece, such as throttle valves
DE1023209B
Automatic temperature control device for heating systems, heat exchangers or the like.
DE1004876B
Electromagnetically controlled shut-off device
DE1034586B
Control arrangement for maintaining a certain liquid level in the bottom of a separating column
DE886966C
Pneumatic control method for controlling a physical operating variable
DE937487C
Control arrangement for boilers equipped with a level controller or similarly heated containers
