HARDWARE

Hydraulic Connectors

This guide explains how to fit and connect the Swagelock-type tube fittings supplied with all GDS Instruments pressure vessels.

These instructions are not suitable for pressure vessels rated above 4MPa
Do not bleed the system by loosening the backing fitting nut or the fitting connector,
Do not assemble and tighten fittings when the system is pressurized,
Make sure that the Legris Tube rests firmly against the connector body before tightening the backing nut,
Do not mix materials or fitting components from various manufacturers -The backing nut, backing ring, olive and connector must be from the same manufacturer. Please contact GDS Instruments at support@gdsinstruments.com before replacing a pre-fitted connector,
Never turn the connector. Instead, hold the connector and turn the backing nut,
Avoid unnecessary assembly of unused fittings,

Fully insert the tube into the fitting and against the connector body,
Rotate the backing nut finger-tight,
Mark the nut at the 6 o’clock position,
For 8mm and 6mm tube fittings: while holding the connector body steady, tighten the nut one and one-quarter turns to the 9 o’clock position,
For 1/8'' and 4mm tube fittings: while holding the connector body steady, tighten the nut three-quarters turn to the 3 o’clock position.

All hydraulic piped the use Swagelock-type connectors over 25mm will be supplied pre-swaged.

A bottle of connection lubricant will also be supplied with systems that use this type of connector.

Apply the lubricant lightly to the body threads and rear surface of the back ferrule,
Insert the tube with pre-swaged ferrules into the connector until the front ferrule seats against the connector body; rotate the backing nut finger-tight,
Mark the backing nut at the 6 o’clock position,
While holding the connector body steady, tighten the nut one and one-half turn to the 12 o’clock position.