Union screw for the assembly of solderless tube fittings on steel and copper tubes Ø 12mm- acc. to DIN 3871

For pressures up to max.45 bar

Material: steel, surface galvanized

Installation (steel and copper tubing)

Double taper ring Assembly diagram SKF

1 Push socket union and double tapered sleeve onto tube end.
2 Insert tube end into tapped port up to the stop.
3 First tighten socket union inger-tight by hand. Then turn another
1 1/2 turns.

Please note:for mounting you need the corresponding union nut:412-001

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