LEMO hose fittings Germany LEMO model LEMO price

LEMO hose fittings are connectors used to join metal hoses and pipes. Their models are typically determined by factors such as material, connection method, size, and applicable working pressure. Different models have different characteristics and scopes of application, such as ferrule-type metal hose fittings, flange-type metal hose fittings, and swivel-type metal hose fittings. Selecting the appropriate metal hose fitting model requires consideration of multiple factors, such as the temperature, pressure, fluid medium, service life, and connection method of the working environment. For applications under special conditions such as high temperature, high pressure, and strong corrosion, it is necessary to select high-quality metal hose fitting models that meet the requirements.

LEMO hose fitting classification

Hose fitting types include: one-piece hose fittings, crimped hose fittings, internal-lock hose fittings, and detachable hose fittings. One-piece hose fittings are a type of high-quality flexible piping in modern industrial pipelines, mainly composed of bellows, wire braid, and fittings. Hose fittings are mainly applied in gas distribution systems and gas pressure regulating stations, where their function is to electrically insulate and isolate sections of gas distribution pipelines from each other and from gas pressure regulating stations, protecting them from electrochemical corrosion and extending service life.

LEMO hose fitting functions

Insert the steel pipe into the ferrule and tighten it using the ferrule nut, which presses against the ferrule, 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 operations, and eliminates the drawbacks of improper welding. The mechanical advantages and geometry of the fitting make this mechanical device a sealing component capable of preventing leaks. The mechanical thrust pushes the rear ferrule against the conical back of the front ferrule, while simultaneously pushing the front ferrule into the conical tapered mouth of the fitting body. The ferrule is squeezed onto the conduit by an inward radial force; at this point, pulling out the front ferrule forms a full-face seal on the conical tapered surface of the fitting body. When hand-tightening feels secure, rotate the ferrule nut further from this manually tightened position to ensure uniform thrust on the seal. This ensures effective sealing performance even in high-pressure and ultra-high vacuum environments. Therefore, it is a relatively advanced connector in pipeline systems for automatic control devices in oil refining, chemical, petroleum, natural gas, food, pharmaceutical, and instrumentation systems.

LEMO hose fitting selection

Metal hose fittings are widely used in industrial pipelines and are also a type of high-quality flexible piping. They are mainly composed of bellows, wire braid, and fittings, offering advantages such as novel structure, stable performance, and high reliability. 1, installation shape and dimensions: determine the model and material of the quick-connect fitting, and specify the assembly shape and dimensions corresponding to the piping characteristics. 2, usage environment of the quick-connect hose fitting: consider the humidity conditions, dust status, and occasional corrosion in the usage environment to select the type of quick-connect fitting, body material, and sealing material. 3, liquid pressure: fluid pressure is also a key factor in selecting quick-connect fittings. 4, construction of automatic shut-off valves: valve constructions include two-way shut-off type, single-action shut-off type, and two-way open type. 5, fluid type and temperature: suitable body materials and sealing materials vary depending on the fluid. Steel is recommended; for water, choose brass or stainless steel. Note that except for the two-way shut-off type, fluid may flow out from the piping during disconnection.

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