SMC hose fittings Germany SMC model SMC price

SMC hose fittings are connectors that allow pipeline connection or disconnection without tools. Exchange function: accessories for pneumatic and hydraulic tools, cylinders, hydraulic cylinders, and machinery related to metal molds. Maintenance function: cooling devices for computers, maintenance of oil cylinders in die-casting machines. Test function: testing for vacuum, pressure resistance, leakage, operation, etc. Conveying function: conveying and handling of solids such as bolts and nuts, as well as electrical conductivity. Filling function: inert gases, nitrogen, PG, carbonic acid. Time and labor saving: when disconnecting and connecting oil lines via quick-connect fittings, the operation is simple, saving time and manpower. Oil saving: when the oil line is disconnected, the check valve on the quick-connect fitting can close the oil line, preventing oil from flowing out and avoiding loss of oil and oil pressure. Environmental protection: when quick-connect fittings are disconnected and connected, oil does not spill, protecting the environment. Equipment modularization for convenient transport: large equipment or hydraulic tools that need to be portable can be disassembled using quick-connect fittings for transport, and then assembled for use at the destination.

SMC hose fitting precautions

Do not use hose quick-connect fittings for applications other than fluids. Do not use with fluids other than the applicable fluid. Do not exceed the maximum operating pressure during use. Do not use outside the operating temperature range to prevent deformation of sealing materials, which can easily lead to leaks. Do not subject to artificial impact, bending, or stretching to prevent damage. Do not use in environments contaminated with metal powder or sand/dust; however, quick-connect fittings designed for such harsh conditions can ensure long service life. Attachment of debris may cause poor performance or leakage. Do not disassemble the quick-connect fitting.

SMC hose fitting characteristics

Female straight connector, a terminal pipe fitting commonly used for directional connections in plumbing and heating installations. Male straight connector, a pipe fitting commonly used for connections in plumbing and heating installations. Its threaded port is on the outside, opposite to the female elbow. Female threads are classified by angle, including 45° and 90°; additionally, engineering requirements may include other non-standard angle elbows such as 60°. Materials for female elbows include cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals, and plastics. Male elbows are formed by hot pushing or stamping: 1. The hot push elbow forming process uses a specialized elbow pushing machine, core mold, and heating device to push the blank mounted on the mold forward, where it is heated, expanded, and bent into shape during motion. 2. Stamped elbow forming was the earliest forming process applied to mass production of seamless elbows; currently, in the production of common specification elbows, it has been replaced by the hot push method or other forming processes, but for certain specifications with small production quantities, or wall thicknesses that are too thick or too thin.

SMC hose fitting functions

It connects the mesh sleeve with the entire corrugated pipe; meanwhile, the fitting is also the component that connects metal hoses to other pipe fittings and equipment. It ensures the medium works normally in the pipeline system. The material of the fitting is usually the same as that of the corrugated pipe and mesh sleeve, mostly stainless steel. For conveying non-corrosive media, some larger diameter metal hoses can be made of carbon steel. Metal hose fittings for corrosive media (if designed) take appropriate measures to avoid contact with the medium and can also be made of carbon steel. The structure of fittings is roughly divided into three categories: screw type, flange type, and quick type: under high working pressure conditions, fittings for metal hoses (explosion-proof hoses) with thread diameters less than 50 mm are mostly threaded. After tightening the threads, the inner and outer conical surfaces of the two fittings fit tightly to achieve sealing. The cone angle is typically 60 degrees, while 74 degrees is also useful. This structure has good sealing performance, but concentricity of the two mating parts must be ensured during installation. To solve the problems of repeated disassembly, assembly, and concentricity often encountered in actual projects, the fitting can also be designed to match the conical surface with a spherical head.

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