Conecting to Leimbach valves together.

[rc entreprenøren]

Hello Gays...

I just wonder if it is possible to screw 2 valves together. so you dont need neppels and hoses.
just screw them together in the to holes that is going thro the 3 way valve.
and into the other walve.

but am sure you need to put some kind off O ring/gasket inn between them, but what or where to bay this o ring or gasket.????
thank you inn advance...

[rc entreprenøren]

Are there now one ho has done this before me.???