Hy-Lok seamless precision tubes comes in variety of tubing materials and wide range of wall thickness. It is essential to specify, select, and handle the tubing with care in order to ensure reliable, safe, leak tight installation using Hy-Lok tube fittings.
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Some general rules are shown below.
- The tubing material must be compatible with process fluid.
- Temperature, pressure, vibration and shock conditions must be considered when selecting the wall thickness. Further, extremely thick wall may not be properly deformed and extremely thin wall may be collapsed by ferrule action.
- The metal tubing must be softer than the fitting materials. In general, metal tubing should be fully annealed to work properly with Hy-Lok tube fittings.
- For leak tight installation, the tubing surface finish must be smooth and free from weld seam, scratches and draw marks.
- The tubing with high tolerance in ovality or O.D. may not fit in the fitting or may cause improper performance.
- Best performance is achieved when the tubing ends are squarely cut and deburred properly.
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