3 ways brass ball valves

Types 3500 & 3600 are made with ISO 5211 pad for the quick assemnbling of actuators.
The 3500 has the the T manoeuvre with female, female and female threads while the 3600 has the L manoeuvre and still the female, female and female threads.

Brass ball valves
Brass backflow preventer
Regulating brass valves