Union screw for plastic tube Ø 4mm

Socket unions for the assembly of solderless tube fittings on plastic tubes Ø 4mm- acc. to DIN 3871

Installation (plastic tubing)

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• Insert reinforcing socket into plastic tube.

• Push socket union and tapered sleeve onto tube end.

• Insert tube end into counterbored port up to the stop.

• First tighten socket union inger-tight by hand. Then turn another 1 1/2 turns.