Apparatus for the controlled ventilation of rooms
Apparatus for, and method of, controlling the flow of fluid
Arrangement in or relating to a valve
Assembly having a spring-loaded tandem control valve
Automatic constant-pressure regulating lift device
Automatic control valve for a fluid system
Automatic emergency stop apparatus against counter flow and coun
Automatic flow control system and flood protector
Automatic flow control valve with variable set-points
Automatic fluid flow shut-off device
Automatic fluid shutoff system
Automatic leakage detection system for pipelines carrying fluids
Automatic safety device for fluid duct
Automatic shut-off device for a pipe
Autonomous assistance device for a safety valve
Axial flow throttling valve
Back pressure regulator and valve system
Back pressure valve with dynamic pressure control
Back-flow prevention valve
Balanced pressure valve