EN ISO 15245-1
The DIN EN ISO 15245-1 defines terms, dimensions, and tolerances for cylindrical threads with nominal diameters of 30 mm (M30x2), 25 mm (M25x2), and 18 mm (M18x1.5), used for connecting valves to gas cylinders in medical, industrial, and diving sports applications. It does not include requirements for mechanical strength, gas tightness, or resistance to repeated assembly and disassembly.
Tauchflaschen Monoventil für Druckluft 230 bar erweiterbar. Gefertigt nach den Angaben der EN-144, Tauchflaschenventil rechts. erweiterbar mit Zweitabgang der ein G5/8" Einschraubgewinde hat z.B. Polaris, Seemann oder Subgear.
Diving cylinder / steel cylinder 1.5 liters with valve of choice for 232bar, the cylinder has a diameter of 83mm and a neck thread of M18x1.5. The pressure vessel is suitable for all breathable gases, the type of gas depends on the valve. Small diving cylinders with a volume of 1.5 liters are often used as argon cylinders for filling the dry suit.
valve for oxygen with a bottle neck screw M25x2, regulator valve 3/4"
Oxygen monovalve G3/4\" External thread 230 bar right, M25x2
Monovalve compressed air left, 230 bar, expandable EN144
Monoventil Druckluft erweiterbar 230 Bar, linkes Brückenventil für Flaschenhalsgewinde M18x1,5