buerkert hose fittings Germany buerkert model buerkert price

buerkert hose fittings are a type of high-quality flexible piping in modern industrial pipelines. They mainly consist of bellows, braided mesh, and fittings. The inner tube is a thin-walled stainless steel bellows with a spiral or annular shape. The outer braided mesh 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 working of ultra-thin-walled seamless or welded stainless steel pipes. Since the elastic characteristics of the bellows profile determine that the hose has good flexibility and fatigue resistance, it can easily absorb cyclic loads from various motion deformations, especially having the ability to compensate for large displacements in pipeline systems. Media visualization, process automation.

buerkert hose fitting precautions

Hoses must not be bent excessively during movement or when stationary, nor bent at the root; bending should start at least 1.5 times the diameter away; when the hose moves to an extreme position, it should not be pulled too tight but remain relatively slack; avoid twisting deformation of the hose as much as possible; keep the hose as far away from heat-radiating components as possible, installing heat shields if necessary; avoid external damage to the hose, such as long-term friction against component surfaces during use; if the hose's own weight causes excessive deformation, supports should be provided.

buerkert hose fitting features

Double ferrule fittings feature reliable connection, high pressure resistance, temperature resistance, good sealing and repeatability, convenient installation and maintenance, and safe and reliable operation. The working principle of double ferrule fittings involves inserting the steel pipe into the ferrule, tightening the ferrule nut to lock it, pressing against the ferrule, and cutting 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 device pipelines for oil refining, chemical, petroleum, natural gas, food, pharmaceutical, and instrumentation systems. Suitable for connecting oil, gas, water, and other pipelines. The ferrule-type pipe fitting consists of four parts: the fitting body, front ferrule, rear ferrule, and nut. When the front and rear ferrules and nut are placed on the steel pipe and inserted into the fitting body, tightening the nut pushes the rear ferrule forward, which in turn pushes the front ferrule forward. The tip of the fitting body squeezes the front ferrule inward, causing the outer side of the front end of the ferrule to fit against the conical surface of the fitting body, while the inner edge evenly bites into the seamless steel pipe, forming an effective seal.

buerkert hose fitting selection criteria

1, fluid type, temperature (please select quick couplings with body and sealing materials suitable for the fluid type and temperature); depending on the fluid, the suitable body and sealing materials differ. For example, for air, steel-made quick couplings are recommended; for water, choose brass or stainless steel. 2, liquid pressure (please select quick couplings with pressure resistance suitable for the fluid pressure); fluid pressure is also key to selecting quick couplings. Hydraulic quick couplings are serialized between 5.0Mpa (51kgf/cm&²) and 68.6Mpa (700kgf/cm&²), and their construction varies according to pressure resistance characteristics. 3, automatic shut-off valve structure (please select quick couplings with valve structures suitable for piping applications); valve structures include two-way shut-off, one-way shut-off, and two-way open types. Note that except for the two-way shut-off type, fluid will flow out from the piping upon disconnection. 4, usage environment of the quick coupling (please select quick couplings with construction and materials suitable for the usage environment); consider the humidity, dust conditions, and corrosive nature of the environment when selecting the type, body material, and sealing material of the quick coupling. 5, ensure the connection threads of the selected quick coupling are consistent; when using products from different brands, it is best to use male and female connectors from the same brand. If cross-use is necessary, consult the supplier's technical staff beforehand to confirm compatibility before use. 6, installation shape and dimensions; determine the model and material of the quick coupling, and specify the assembly shape and dimensions corresponding to the piping characteristics. Note that dimensions are related to fluid flow rate.

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