Threaded fittings represent an important sector within the hydraulic world because they constitute, as the name implies, fundamental elements for connecting pipes and systems, allowing the creation of optimized paths according to specific needs. In particular, the fittings can have two main types based on the position of the threads:
- Fittings with external threads: they are also called "male" threads;
- Fittings with internal threads: they are also called "female" threads.
Furthermore, it is important to underline that there are, in addition to the homogeneous fittings that consist of the same type of thread ("male-male" or "female-female"), fittings that have an external thread on one side and a thread on the other. Finally, there is also the possibility that the diameter and size of the threads are different when different pipes are connected. A change of section is required before and after the fitting to obtain a reduction or an increase in the flow rate or pressure of the fluid. Super Duplex 2507 Pipe suppliers choose the best material in their fittings.
Inconel 625 Flanges are designed to be used with constant high pressure, vacuum, and vibration to provide tight joints. Steel fittings are suitable for virtually any environment, especially hydraulic and pneumatic. Due to their great strength and corrosion resistance properties, steel fittings are suitable for water hammer and vibration applications, offering excellent pipe sealing and retention. The two most common types of threads: metric and gas
Inconel 625 Pipe Fittings suppliers in India provides different types of threads: in particular, the best known are the metric thread and the gas thread. In general, the aspects that differentiate them are:
- The profile of the thread: as regards the metric, the characteristic angle is 60 °, while the angle for the gas is 55 °;
- The nominal diameter: in the first case, it is expressed in millimeters, while in the second, it is expressed in inches or fractions thereof;
Other aspects that can be considered by Inconel 625 Plate suppliers for the analysis and recognition of a thread are the pitch of the thread and the direction of the helix, even if the latter is generally uniform and right-handed. Finally, the designation also differs between one type of thread and another.
The metric thread is the most common and used in mechanics for coupling different components but does not guarantee the same seal between screw and nut screw that can be obtained with a gas thread. For this reason, especially for pressurized fluids, the latter tends to be preferred to the detriment of the former. Within the gas thread, there are also other differences:
- Cylindrical gas thread: it is used when it is not necessary to guarantee a watertight seal on the thread;
- Conical gas thread is used when it is required to guarantee a watertight seal on the thread.
Even this choice, like the type of fitting and the material required, represents fundamental evaluations to put a functional system with a guaranteed duration over time. In the absence of a global study of the system, the simple choice of a quality component can lead to anticipated breakages with consequent drawbacks related to the extraordinary maintenance to be carried out.
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