Integrated pressure reducer with valve for 2/3 litres.
Pressure reducer with valve and index flowmeter adjustable 0-12 l/min.
It includes two stages, release valve and high pressure manometer.
Thread cylinder connection: E25/E17 conical refill thread connection UNI 21.7 x 1/14" or NF Ø 22.91 x 1.514
Apparatus to be connected to a cylinder without valve.