Germany
Union nut W30x2 suitable for all 300bar industrial valves with left-hand thread welding gases, test gases and fuel gases.
Adapter Air (5/8") -- inert gas (W21.8) inside / inside
Filling adapter for carbonic acid for filling CO2 and argon cylinders with valves according to DIN 477-6 which have a flow-off protection/residual pressure valve. The thread W21.8 is used for all gas cylinder valves that are used for shielding gas welding, argon, helium, carbonic acid and argon mixed gases.
Tauchflaschenventil horizontal 300bar Druckluftanschluss, M18x1,5
Monovalve Compressed Air 230 Bar Standard diving tank valve with bottle neck thread M18x1.5mm. Smaller gas cylinders and diving tanks have the smaller bottle neck thread. In the past, these pressure vessels were equipped with the small conical thread, while newer ones often have the M18x1.5mm bottle neck thread. Sealing is achieved with an O-ring.