Union screw for steel and copper tube Ø 4mm
Union screw for the assembly of solderless tube fittings on steel and copper tubes Ø 4mm- acc. to DIN 3871
For pressures up to max.45 barMaterial: steel, surface galvanized
Installation (steel and copper tubing)
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:404-001