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.
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G5/8" 300bar compressed air
DIN477-6
DIN EN 144-2 / DIN EN ISO 12209
W21.8x1/14 inert gases
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