What are these two types of valves called?

[Baskavoda]

Anyone know what these are called in technical terms?

 

[SBH]

Air release valve and shut-off valve
or if there are some numbers on the left one, then it is some kind of throttling

 

[Baskavoda]

I thought that maybe it's an injusteringsventil to the left?

 

[Dr.L]

Left, trim valve, right ball valve.

airing?????