Flexatec hose fittings Germany Flexatec model Flexatec price

Flexatec hose fittings are connection tools between pipes, serving as detachable connection points between components and pipes. Main pipe fittings come in a wide variety; commonly used pipe fittings are generally divided into hard pipe fittings and hose fittings. Hard pipe fittings include flared, compression, and welded types, while hose fittings are mainly crimped rubber hose fittings. A compression pipe fitting consists of three parts: the fitting body, the ferrule, and the nut. When the ferrule and nut are placed on the steel pipe and inserted into the fitting body, tightening the nut causes the outer front end of the ferrule to seat against the conical surface of the fitting body, and the inner cutting edge bites uniformly into the seamless steel pipe, forming an effective seal. These are sealed pipe fittings suitable for non-corrosive or corrosive media such as oil, water, and gas. The specification requirements for matching aluminum-plastic pipes are relatively flexible. After connection to the pipeline, they feature reliable connections and good sealing performance.

Flexatec hose fitting precautions

Avoid impact and dropping during handling and storage to prevent damage to interfaces and internal components. When installing on high-temperature fans, ensure concentric mounting as much as possible to ensure proper operation of the rotary joint. The connection between compression fittings and pipelines must use hoses; rigid connections are strictly prohibited. The inlet and outlet of compression fittings should be connected directly to hoses whenever possible to reduce the auxiliary weight on the compression fitting and extend service life. For the assembly of the inner tube of compression fittings, pay attention to dimensional fit and auxiliary weight support. For the fit between the inner tube of an internal-rotation rotary joint and the joint, a tolerance fit of H8/e7 is recommended. The support and anti-rotation of the compression fitting should be appropriate; generally, the rod diameter should be 2mm smaller than the anti-rotation hole to avoid affecting the free adjustment and compensation of the rotary joint. The perpendicularity of the pipe end face to the axis should be less than 0.50. Remove burrs from the end face and chamfer 0.2×450. Apply an appropriate amount of grease to the threaded part and the contact conical surface. Install the compression fitting and nut, paying attention to the direction. Hold the pipe fitting and press the end face against the shoulder of the fitting body. Mark the compression fitting and tighten the nut. Ensure the pipe fitting does not rotate, tightening 1.3~1.5 turns. Remove the nut and inspect the ferrule bite condition.

Flexatec hose fitting structure

Includes a female connector body with a through-hole, inside which a steel ball is embedded; a male connector post with a groove on its surface; and a ferrule. The female connector body and male connector post are sealed together, with the steel ball on the body snapping into the groove on the post surface. The ferrule is sleeved on the outer surface of the female connector body. It is characterized by also including a pull sleeve, which is sleeved on the surface of the male connector post and connects to the ferrule on the female connector via its internal thread.

Flexatec hose fitting classification

Compression pipe fittings: The working principle of a compression fitting involves inserting a steel pipe into the ferrule and tightening it with the ferrule nut, which presses against the ferrule, causing it to cut into the pipe to create a seal. No welding is required when connecting to steel pipes, which is beneficial for fire prevention, explosion protection, and high-altitude work, and eliminates drawbacks caused by improper welding. Therefore, it is a relatively advanced connector in automatic control system pipelines for oil refining, chemical, petroleum, natural gas, food, pharmaceutical, and instrumentation systems. It is suitable for pipeline connections with media such as oil, gas, and water. Compression fittings feature reliable connections, high pressure resistance, temperature resistance, good sealing and repeatability, convenient installation and maintenance, and safe and reliable operation. Flared pipe fittings: Applicable media for flared pipe fittings include non-corrosive or corrosive media such as oil, water, and gas. Specification requirements for matching steel pipes are relatively flexible. After welding to the pipeline, they feature reliable connections and good sealing performance, and are thus widely adopted in oil refining, chemical, light industry, textile, national defense, metallurgy, aviation, and shipbuilding systems; they are also suitable for hydraulic transmission pipelines in various mechanical engineering and machine tool equipment. Welded pipe fittings: Applicable media for welded pipe fittings include non-corrosive or corrosive media such as oil, water, and gas. For welded sealed pipe fittings, specification requirements for matching steel pipes are relatively flexible. After welding to the pipeline, they feature reliable connections and good sealing performance, and are thus widely adopted in oil refining, chemical, light industry, textile, national defense, metallurgy, aviation, and shipbuilding systems; they are also suitable for hydraulic transmission pipelines in various mechanical engineering and machine tool equipment. When the production of compression pipe fittings cannot meet demand, or in strongly corrosive environments, their adoption may be prioritized.

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