RK Rose+Krieger hose connector Germany RK Rose+Krieger model RK Rose+Krieger price

RK Rose+Krieger hose connectors are connection tools between pipes, serving as detachable connection points between components and pipes. Main pipe connectors come in many types; commonly used pipe fittings are generally divided into hard pipe connectors and hose connectors. Hard pipe connectors include flared, compression, and welded types, while hose connectors are mainly crimped rubber hose connectors. A compression pipe connector consists of three parts: the connector body, the ferrule, and the nut. When the ferrule and nut are placed on the steel pipe and inserted into the connector body, tightening the nut causes the outer front end of the ferrule to fit against the conical surface of the connector body, with the inner edge uniformly biting into the seamless steel pipe to form an effective seal. These are sealed pipe connectors suitable for non-corrosive or corrosive media such as oil, water, and gas. The specifications for use with aluminum-plastic pipes are relatively flexible. After connection to the pipeline, they feature reliable connections and good sealing performance.

RK Rose+Krieger hose connector selection

Metal hose connectors consist of a metal hose body, a stainless steel wire mesh sleeve, and connector fittings. They can compensate for certain relative displacements and provide vibration damping and noise reduction effects. However, improper selection may not only fail to achieve vibration isolation and noise reduction but also cause pipeline leaks or even equipment failure due to damage to the metal hose. The selection of metal hoses mainly involves the correct choice of parameters such as nominal diameter, connection type, working pressure, temperature correction, minimum bending radius, and hose length. Nominal diameter, connection type, and working pressure are directly determined by the pipeline system requirements and generally do not pose problems. It is worth noting that when selecting the design pressure of the hose (which should be greater than the system working pressure), it should not be too high, because as the pressure-bearing capacity of the hose increases, its bending capability decreases significantly. Temperature correction and minimum bending radius are fixed for the product and provided by the manufacturer. Problems often arise in the selection of the metal hose length; a hose that is too long can cause instability, increase flow resistance, and lead to additional mechanical damage and vibration issues. A hose that is too short may fail to achieve compensation, vibration damping, and noise elimination, and may also cause excessive bending stress, affecting service life.

RK Rose+Krieger hose connector usage

Different rubber hoses require hose connectors for connection. There are various types of hose connectors, and the connection method generally involves crimping with a hose crimping machine. The specific procedure is to select the appropriate hose, cut it to size, strip the hose cover, install the hose connector, crimp it with the hose crimping machine, clean off any rubber debris, and then install the dust cap, sealing ring, and retaining ring. Connecting hose connectors to rubber hoses is not difficult, but attention must be paid to ensuring the sealing effect. Below is an introduction on how to ensure sealing when connecting hose connectors to rubber hoses. First, what is a hose connector? When using different types of rubber hoses, a special connector must be equipped for normal operation. A hose connector is the component that connects the rubber hose and comes in various types, including those compatible with 24 ° flared compression connectors, spherical connectors, or same-angle conical surface connectors, compression tube connectors, 60 ° conical angle connectors, hollow hose screw connectors, and threaded connectors with or without sealing grooves.

RK Rose+Krieger hose connector cleaning

To ensure the cleanliness of the lubrication system and supply clean grease to the bearings of mechanical equipment, pre-installed pipelines must be dismantled and cleaned. Cleaning methods include kerosene cleaning and acid pickling. Objects and methods for kerosene cleaning include copper pipes and stainless steel pipes; steel pipes that have undergone acid pickling treatment before pre-installation and have no rust or iron oxide scale on the inner wall; and pipe connectors contaminated during pre-assembly. Dismantle the pipes and connectors requiring cleaning, wipe the inside of the pipes clean with a cloth soaked in kerosene, soak both ends and the connectors in kerosene for cleaning, then apply machine oil or fill with grease inside the pipes, and seal both ends tightly for installation. There must be no visually visible contaminants after cleaning; special attention must be paid to thoroughly cleaning the weld slag on the inner wall at weld joints. During disassembly, transportation, and acid pickling, take care not to damage the pipelines, threads, and sealing surfaces, and use tape or plastic tubes to seal the openings. Threaded parts should be protected with acid-resistant materials such as plastic tape or rubber tape, or dry oil should be applied to the threads after degreasing and water washing before rust removal in acid solution to prevent acid erosion. During acid pickling, ensure that the matching marks on the pipes do not disappear or become blurred.

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