Semadeni hose fittings Germany Semadeni model Semadeni price

Semadeni 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 operating conditions involving high temperature, high pressure, and strong corrosion, it is necessary to select high-quality metal hose fitting models that meet the requirements.

Semadeni hose fitting features

Threaded fittings refer to pipe connectors with threads and are one of the most common pipe fittings in industrial and daily life applications. Threaded fittings make pipe connections simpler and disassembly or replacement easier, significantly reducing pipe connection costs. Threaded fittings generally include threaded elbows, threaded tees, threaded unions, threaded caps, threaded couplings, threaded reducers, threaded plugs, male threaded adapters, and bushings. Industrial threaded fittings are generally made of metal and have high pressure resistance; materials include carbon steel, stainless steel, alloy steel, and brass. Threaded fittings for daily life applications are generally made of materials such as PC, PVC, PE, and PPR.

Semadeni hose fitting principle

Quick-disconnect couplings come in two types: one with a check valve and one without. In applications with a check valve, the check valve end is connected to the air source. When disconnected, the check valve closes automatically; when connected, the pin on the movable end opens the check valve. Self-locking is achieved by embedding steel balls into grooves, while a "cone-cylinder" sleeve locks the steel balls in place.

Semadeni hose fitting structure

When not connected (both ends shut-off): When the sleeve of the body is moved to the other end, the stainless steel balls roll outward automatically. The plug disconnects due to the combined spring force of the valves in the body and plug. The valves in the plug and body close respectively, instantly blocking fluid flow. When connected: When the plug is inserted into the body, the sleeve returns to its original position under spring action, and the steel balls roll to lock the plug tightly. At the same time, the valves in the body and plug push against each other to open, allowing fluid flow. The O O-ring completely prevents fluid leakage. When not connected (both ends open): When the sleeve of the body is pushed to the other end, the steel balls roll outward automatically, causing the plug to be removed. Since neither the plug nor the body has valves, fluid flows outward. When connected: When the plug is inserted into the body, the sleeve is pushed by its spring force to the previous position, locking the steel balls. Fluid flows, and the O O-ring prevents liquid leakage.

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