Union nut for cutting ring, tube 12 S, stainless steel 1.4571

This union nut presses the cutting ring onto the cone of the stud as it is tightened and so holds the tube in the coupling. The stated material is stainless steel 1.4571. The data sheet gives a working pressure of 630 bar. This version is supplied with heavy series.

Benefits

• Matches tube 12 S (M20x1,5) of the heavy series, so the nut fits the cone of the matching stud.
• Available as a single part, so a damaged nut can be replaced without changing the whole coupling.
• For working pressures up to 630 bar in this size.
• Temperature range -60 to +400 °C, made of stainless steel 1.4571.
• The hexagon allows tightening with an ordinary open-ended spanner, no special tool is needed.

Applications

When assembling a line 12 S (M20x1,5) the nut draws the cutting ring in and cuts it into the tube.

Standards and conformity

The stated temperature range -60 to +400 °C applies to the version in stainless steel 1.4571. An elastomer seal narrows it.