Method of assembling a conduit fitting

A method of assembling a conduit fitting, comprising:

• providing a conduit fitting including a fitting nut, a fitting body, and an internal conduit gripping device disposed between said fitting nut and said fitting body, wherein the fitting nut includes an external deformable structure integrally formed with an end portion of the fitting nut;
• pulling up the fitting nut with the fitting body on an end portion of a conduit to engage the external deformable structure with an external surface of the fitting body;
• after engaging the external deformable structure with the external surface of the fitting body, continuing to pull up the fitting nut with the fitting body to axially compress the external deformable structure, until an amount of torque required to continue pulling up the fitting nut increases to an initial pull-up torque;
• wherein the initial pull-up torque corresponds to an initial pulled-up position in which the conduit gripping device grips and seals the conduit, wherein the initial pull-up torque results from a sharp increase in an amount of torque required to continue pulling up the first coupling member, the sharp increase comprising an increase in torque by a factor of two or more.

A method of assembling a conduit fitting, comprising:

• providing a conduit fitting including a first coupling member, a second coupling member, an internal conduit gripping device disposed between said first coupling member and said second coupling member, and an external deformable structure integrally formed with one of the first and second coupling members;
• and
• pulling up the first coupling member with the second coupling member on an end portion of a conduit to engage the external deformable structure with an external surface of the other of the first and second coupling members;
• after engaging the external deformable structure with the external surface of the other of the first and second coupling members, continuing to pull up the first coupling member with the second coupling member to axially compress the external deformable structure, until an amount of torque required to continue pulling up the first coupling member increases by at least a factor of two;
• wherein the torque increase corresponds to an initial pulled-up position in which the conduit gripping device grips and seals the conduit.