The HAM-LET Group’s LET-LOK® brand is the most progressive and superior line of leak-tight tube fitting systems available on the market today. The LET-LOK® brand encompasses a vast range of front-line, industrial-standard tube and pipe fittings that are widely used to grip and seal tubing for any type of industrial application — particularly where severe and high pressure conditions exist. These mechanisms are also available in a range of materials to ensure that the brand caters to all industrial requirements.
The Secret Behind LET-LOK®
HAM-LET’s experts have invested immense time, effort and resources in the research, design and manufacture of these superior products since the 1950’s. This is the main reason that today they are the primary choice in a rapidly growing market for tube fittings that can endure use in high-pressure, high-performance settings, such as electronic, fluid, petrochemical, power, nuclear, and other strategic industrial settings. Their effective leak-tight construction is also the result of their geometry and mechanical advantage. Furthermore, each LET-LOK® fitting has endured — and passed — a sequence of severe tolerance tests, including those for high-pressure, temperature, vibration, vacuum, and impulse. The fittings are also manufactured according to meticulous standards using the latest computerized automation. They have certainly proven their robustness and strength in tolerating every conceivable high-pressure condition.
The Workings of LET-LOK®
LET-LOK® connectors are intended for ease-of-use. Their assembly is exceptionally simple and merely requires inserting the tube into the full assembly until the tube bottoms-out against the fitting body. The mechanical force created by rotating the nut clockwise then drives the two ferrules onward between the nut and the fitting body. The back ferrule is pressed against the tapered rear of the front ferrule and the front ferrule is in turn forced into the body’s tapered mouth. The rear ferrule is radially swaged inwards on the tube while lifting the front ferrule out to form a full-faced seal on the body’s tapered surface. Finally, depending on the sizes, the 11/4 and 3/4 turn of the nut from the hand tight position, assures stable drive of the sealing members. This guarantees an effective seal against high pressure and ultra-high vacuum conditions.
HAM-LET not only tests each product, but deems safety as vital and knowledge is a part of this. The company provides users with a huge amount of data and tips to ensure that they select the correct LET-LOK® fitting for their applications that will attain supreme results in the safest manner. For example, for ultimate safety and efficiency in gas applications it is strongly suggested that tubing with a greater wall thickness be used. It is also extremely important that users follow correct product installation, operation and maintenance procedures. Lastly, to guarantee personal safety, when selecting a connector, one must always consider application details, material compatibility, and product ratings.
Not one to rest on its laurels, HAM-LET supports each LET-LOK® fitting with a full obligation to maximum quality-control standards and expert workmanship!