Throttle plate wedge
Throttle shaft and butterfly construction
Throttle valve arrangement
Throttle valve body with a tapered channel on one side of its ax
Throttle valve case
Throttle valve control device
Throttle valve control device
Throttle valve control device
Throttle-valve actuating unit
Throttle-valve connecting piece
Throttle-valve connection piece
Throttling control in a fluid control valve
Top entry ball valve
Top entry ball valve and a clamp therefor
Torsionallly loaded fluid seals for rotary valves
Tractrix valve
Two-part back cap for a plug valve and plug valves...
Two-part back cap for a plug valve and plug valves...
Two-way rotary plug valve
Two-way valve for pipelines