Sera hose connector Germany Sera model Sera price

Sera hose connectors are high-quality flexible pipes used in modern industrial piping systems. They mainly consist of bellows, a wire braid, and fittings. The inner tube is a thin-walled stainless steel bellows with a spiral or annular shape. The wire braid on the outer layer of the bellows is woven from stainless steel wire or steel strip according to specific parameters. The fittings or flanges at both ends of the hose are matched to the fittings or flanges of the customer's pipeline. The bellows of the hose are formed by high-precision plastic deformation of ultra-thin-walled seamless or welded stainless steel steel pipes. The elastic characteristics of the bellows profile give the hose good flexibility and fatigue resistance, allowing it to easily absorb cyclic loads from various motion deformations, especially providing the ability to compensate for large displacements in piping systems. Media visualization (media visible), process automation.

Sera hose connector differences

The difference between internal threads and external threads is: internal threads are female threads, with the thread located inside the hole; external threads are male threads, with the thread located on the outer surface of the cylinder. Internal and external threads are industry terms referring to the thread mating process used when connecting screws and nuts. Screw and nut mating is easy to disassemble and convenient to install, making it one of the commonly used connection and fixation processes in mechanical equipment, pipelines, and metal structure engineering installation. To remember the different names for the same type of pipe fitting simply: an internal connector has external threads; an external connector has internal threads. Threaded fittings are generally used in pipelines for connection purposes. External thread: refers to the threaded port on the outside of pipelines, etc., which can generally be touched directly. Internal thread: refers to the threaded port inside pipelines, etc., which generally requires reaching inside to touch. In industry, you may also encounter right-hand threads and left-hand threads. Right-hand thread: threads that tighten by turning clockwise (righty-tighty) and loosen by turning counter-clockwise; this type is very common in daily life, with screws being the most typical example. Left-hand thread: threads that must be turned in the reverse direction to tighten; this type is not very common in daily life but is seen more often in specialized fields, such as ventilation.

Sera hose connector material classification

High-pressure tee. There are two common types of high-pressure tees: one is the welded high-pressure tee, and the other is the integrally forged high-pressure tee. Welded high-pressure tees use high-quality high-pressure steel pipes as material. The manufacturing method is similar to cutting a hole for branch connection; the hole opened on the main pipe must match the diameter of the connected branch pipe. Welding quality requirements are strict; preheating is usually required before welding, and heat treatment is performed after welding. Its specifications and pressure range are the same as those for high-pressure elbows. Integrally forged high-pressure tees generally use threaded flange connections. Their specification range is DN12~DN109mm. The operating temperature for 25# carbon steel high-pressure tees is below 200℃, and for low-alloy and stainless acid-resistant steel high-pressure tees, it is below 510℃. The operating pressure is below 20.?0MPa. There are 3 common types of welded tee pipes: elbow type, right-angle type, and flat weld opening type. 1) Same-diameter elbow welded tee: commonly known as a pants tee, it is made by cutting off half of the circumferential wall at the outer arm of two 90° elbows, and then butt-welding the remaining two elbows together to form a same-diameter tee. 2) Right-angle tee fabrication: available in same-diameter and reduced-diameter types. During fabrication, development drawings are drawn based on two intersecting cylindrical surfaces. Cutting is generally performed using an oxy-acetylene flame cutter, followed by welding. 3) Flat weld opening tee: the tee weld seam is short, resulting in less deformation, saving pipe material, and simplifying processing. The fabrication method involves cutting an elliptical hole in a straight pipe, where the minor axis of the ellipse equals 2/3 of the branch pipe's outer diameter, and the major axis equals the branch pipe's outer diameter. Then, the pipe walls on both sides of the elliptical hole are heated to approximately 900℃ and flanged outward to form a round opening.

Sera hose connector functions

Whether pneumatic quick-connect fittings or manual quick-connect fittings, they are both tools for sealed connections. The difference lies in whether they are driven by air pressure or manually. In different application projects, the roles and advantages of pneumatic quick-connect fittings vary. Stainless steel pipes have a smooth surface, high hardness, and resistance to high temperatures and pressures, making them commonly used as materials for precision equipment components. Qualified inspections of stainless steel pipes are required, including airtightness testing. According to feedback from test engineers, as shown in the figure above, one end of the stainless steel pipe has been welded shut, and pressure needs to be applied from the other end to test the sealing of the welded joint. In this case, pneumatic quick-connect fittings can be used, employing an external wrap-around sealed connection to better ensure inflation speed. After connecting the corresponding air hoses to the fittings, if used for automated or semi-automated operations, the mounting holes must also be connected to the corresponding cylinder fixtures. Here, the role of the pneumatic quick-connect fitting is to provide sealed connectivity for pipe components, assist in testing, improve test efficiency, and enhance test stability. Its advantages include more convenient pneumatic operation, sealing rings that clamp the pipe wall without causing scratches, and stable sealing for more accurate test results. In practical applications, one end of a plastic pipe component is connected to the equipment, which pressurizes internally via other methods; here, the pneumatic quick-connect fitting serves to seal the pipe opening. Plastic pipe components generally have low hardness, are easily damaged, and are prone to scratching. Since mass production and inspection are involved, pneumatic fittings are needed to integrate automated operations. Their advantages include being gentle on the test workpiece pipe walls without causing scratches, suitability for various pipe materials and properties (including some hoses), and ease of integration into automated operations to improve efficiency.

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