WITT pressure regulator for outlet points are available in different versions:

for oxygen / compressed air,
Pv max = 40 barg, Ph = 10 barg,
G 3/8 MG – G 1/4 AGS in accordance with EN 560

for acetylene, 
Pv max= 2.5 barg, Ph= 0-1.5 barg,
G 3/8 LH MG – G 3/8 LH AGS

for argon CO2.
Pv max = 28 barg, Q= 0 – 30 l/min (manometer readings)
G 3/8 MG – G 1/4 AGS in accordance with EN 560

for argon CO2.
Pv max = 28 barg, Q= 0 – 30 l/min (float readings)
G 3/8 MG – G 1/4 AGS in accordance with EN 560