Disclosed is a variable load valve (21) which comprises: a first diaphragm member (41) which is bendable by a pressure inside a pilot chamber for receiving an air pressure according to a vehicle weight; a second diaphragm member (42) which is bendable by a...

The control valve unit (1) for an indirectly acting pneumatic brake of a rail vehicle has an adjusting valve (6) which in a first selected position creates a flow connection between an adjusting volume (8) and a control chamber (10), and in a second select...