RECTUS hose connectors Germany RECTUS models RECTUS prices

RECTUS hose connectors are accessories that connect different hydraulic components to form a closed-loop hydraulic system, serving a connecting function. They connect various hydraulic components (pumps, delivery lines, directional valves, shut-off valves, hydraulic motors, hydraulic cylinders, and auxiliary components such as level gauges, thermometers, and pressure gauges) to form a closed-loop hydraulic system, acting as a connecting accessory.

RECTUS hose connector classification

Welded pipe fittings can also be referred to as quick connectors, welded quick connectors, or welded-type quick connectors. The caps for welded pipe fittings are similar to plugs or end caps. They are mainly used for sealing pipelines, with a function similar to that of plugs. Caps include convex caps, reducing sections, conical shells, flat covers, and caps with a contracted opening design. Among convex caps, there are elliptical caps, dished caps, hemispherical caps, and spherical crown caps. From a stress perspective, the performance of hemispherical caps among convex caps shows a downward trend; however, in terms of manufacturing difficulty, the variety of quick connector types shows an upward trend. We should select suitable welded quick connectors and welded pipe fitting caps according to our needs. Welded quick connectors can also be abbreviated as quick connectors and are a type of welded pipe fitting. The caps for welded pipe fittings are also required during connection, and there are many types of pipe fitting caps. So, how are welded pipe fitting caps classified? If classified by material, they can be divided into plastic caps, forged steel caps, PPR caps, graphite caps, alloy caps, pvc caps, ABS caps, cast steel caps, cast iron caps, stainless steel caps, rubber caps, and pe caps. If classified by connection method, they can be divided into threaded caps, clamp caps, quick caps, hot melt caps for welded pipe fittings, adhesive caps, ferrule caps, standard caps, O-ring connected caps, socket caps, etc.

RECTUS hose connector classification

Inert gas type, mainly used for vacuum piping and compressor pressure tests. Both the sleeve and plug have built-in automatic shut-off valves suitable for vacuum applications, maintaining a vacuum level of 1.3×10Pa in the disconnected state. Precautions for use: Do not exceed the maximum operating pressure limit. Do not use outside the specified temperature range to prevent wear or leakage of sealing materials. Do not subject to artificial impact, bending, or stretching to prevent damage. Do not connect or disconnect under pressure or residual pressure. Do not disassemble. Use sealant for tapered pipe threads on external threads. Do not subject to artificial impact, bending, or stretching to prevent damage. Do not use with fluids other than the applicable fluid. Do not use for purposes other than quick connectors. Do not connect with quick fluid connectors from other manufacturers. Do not use in environments containing metal powder or sand/dust to prevent malfunction or leakage. Attachment of debris can cause malfunction or leakage. A brake valve must be installed before the quick connector. Do not use as a hinged connector. Use in machines with vibration or shock will reduce durability. Cold water and oil type, mainly used for general-purpose mold interfaces. Fully simplifies mold exchange operations, enhances rust prevention, and offers diverse varieties. Precautions for use: Note, do not use with fluids other than the applicable fluid. Do not exceed the maximum operating pressure limit during use. Do not use outside the specified temperature range to prevent wear or leakage of sealing materials. Do not subject to artificial impact, bending, or stretching to prevent damage. Do not use in environments containing metal powder or sand/dust to prevent malfunction or leakage. For threaded installations, do not exceed the maximum tightening torque during installation to prevent damage. Do not use cracked hoses to prevent leakage or detachment. Use in machines with vibration or shock will reduce durability. The working fluid must be clean fluid filtered through a filter. Do not disassemble the quick connector. Semiconductor type, mainly used for semiconductor and fluororesin semiconductor production equipment devices. The body material should be corrosion-resistant metal or molded fluororesin (PFA) all-resin products. Precautions for use: Note, perform dissolution tests of sealing materials with the fluid to confirm material suitability. Use Teflon sealing tape for external threads of tapered pipe threads. Do not exceed the maximum tightening torque when installing threads to prevent damage. To reduce friction (insertion load) and protect the "O"-shaped seal ring during insertion, apply the working fluid or pure water to the "O"-shaped seal ring or the quick connector (folded part of the "O"-shaped seal ring). During separation, since a small amount of fluid flows out, compressed air can be used to discharge the fluid inside the quick connector before separation to prevent danger. Do not use as a hinged connector. Do not use for purposes other than quick fluid connectors. Do not subject to artificial impact, bending, or stretching to prevent damage. Do not pressurize when using sleeves or quick connectors individually to prevent the valve from flying out. A specified dust cover must be installed when used individually. Do not disassemble the quick connector.

RECTUS hose connector assembly

Pre-assembly is the most important step for ferrule-type pipe fittings, directly affecting sealing reliability. Specialized pre-assembly tools are generally required. Fittings with small pipe diameters can be pre-assembled on a bench vise. The specific method is to use one fitting as the body, pressing the nut and ferrule onto the pipe. Main types include ferrule-type straight pipe fittings, ferrule-type end straight-through fittings, and ferrule-type tee pipe fittings. It has been found that even within the same batch from the same manufacturer, the depth of the tapered hole in these fitting bodies often varies, resulting in leakage, a problem that is often overlooked. The correct practice is to pre-assemble the corresponding connection end with the same type of fitting as the one used to connect one end of the pipe, which maximizes the avoidance of leakage problems. The pipe end face should be flat. After cutting the pipe, it should be ground flat on tools such as a grinding wheel, deburred, cleaned, and blown clean with high-pressure air before use. ③ During pre-assembly, try to maintain the coaxiality of the pipe and the fitting body; excessive deviation of the pipe will also cause sealing failure. The pre-assembly force should not be too great; the inner edge of the ferrule should just embed into the outer wall of the pipe, and the ferrule should not show obvious deformation. During pipeline connection, assemble according to the specified tightening torque. The tightening torque for ф6-1 ferrules is 64-1 15n, for 16фmmr it is 259n, and for ф18mm it is 450n. If the ferrule deforms severely during pre-assembly, it will lose its sealing function. Adding sealants or other fillers is prohibited. Some people apply sealant to the ferrule to achieve better sealing results, but the sealant gets flushed into the hydraulic system, causing faults such as blockage of damping holes in hydraulic components. When connecting pipelines, ensure the pipe has sufficient deformation allowance to avoid tensile forces on the pipe. When connecting pipelines, avoid subjecting them to lateral forces; excessive lateral forces will cause poor sealing. When connecting pipelines, complete the connection in one go to avoid multiple disconnections, which will also degrade sealing performance.

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