FLEXION hose connectors Germany FLEXION model FLEXION price

FLEXION hose connectors are widely used in high-pressure piping applications in industrial fields, such as ships, offshore oil, metal processing, and mining. Flared tube fittings are suitable for hydraulic, lubrication, high-pressure water flushing, and high-pressure air pipelines. Flared tube fittings have been certified by many auditing agencies; they offer high reliability, inherent cleanliness, and strong flexibility, with faster and simpler pre-processing assembly and installation. Flared connections require no welding, saving subsequent processes such as pickling and flaw detection. Flared tube fittings are a type of quick connector suitable for various pipe fittings and pipes with nominal pressures not exceeding 32MPa. Introduction by flared connection manufacturers: widely used in industries such as oil refining, chemical, light industry, textile, national defense, metallurgy, aviation, automotive, pharmaceutical, machinery, shipbuilding, natural gas, and CNG refueling stations.

FLEXION hose connector prevention

In hydraulic systems, both metal tube fittings and hose connectors are prone to leakage. For bite-type tube fittings, leakage is mostly caused by loose ferrules or deformation of the pipe end due to significant external forces or impacts on the pipeline. In this case, check whether the ferrule is out of round, whether the cutting edge is damaged, whether the pipe end is intact, and the tightening degree of the ferrule nut, while also eliminating external forces on the pipeline. For flared tube fittings, leakage is mostly caused by excessive flaring, non-compliant quality, or multiple disassemblies, resulting in flaring deformation or cracks. In this case, cut off the front end and re-flare. If male and female cone top pressure is used for sealing, leakage is mostly due to damage to the two cone surfaces, which can be ground with abrasive sand. In some cases where "O" rings are used for sealing against the end face or outer diameter, the causes of leakage include: leakage caused by aging or deformation of the "O" ring; leakage caused by improper assembly of the "O" ring, resulting in uneven pressure when connecting the two planes or cutting of the "O" ring; leakage caused by insufficient compression of the "O" ring and insufficient elastic deformation; leakage caused by excessively deep stop grooves for the "O" ring. In this regard, it is necessary to re-select an "O" ring with the same outer diameter and a thicker cross-section, or machine the sealing plane with the stop groove by cutting or grinding to reduce the depth of the stop groove, ensuring sufficient elastic deformation of the "O" ring (compression should generally be between 0.35-0.65mm). For leaks at tube fittings using oil-resistant rubber sheets, wool felt, soft steel cardboard, combined sealing gaskets, or sealants, regardless of the material, first check whether the seals are damaged, deformed, aged, or have excessive roughness, and then take appropriate measures.

FLEXION hose connector precautions

Before installation, all steel pipes can be pickled according to the requirements of Chapter 9, especially steel pipes connected to bite-type tube fittings, which should be pickled first, and then the ferrules should be pre-tightened to the pipe ends; (2) All tube fittings should be cleaned with kerosene before installation, and the o type sealing rings inside should be temporarily removed and stored, to be placed back during formal installation; (3) During construction, keep the oil ports of pumps, distributors, and other equipment, as well as the openings of tube fittings and pipe ends, clean to prevent water, dust, and other foreign matter from entering; (4) Pipelines should be laid in a free state; do not apply excessive radial force to forcibly fix and connect pipelines after welding; (5) Check the oil holes of bearing seats in advance to ensure internal oil passages are unobstructed and that the oil port threads match the connectors.

FLEXION hose connector installation notes

Pipe threads must meet requirements; threading should be completed in two passes, using coolant during machining. Process threads to standard specified dimensions, clean debris remaining on threads or pipe ends, and apply rust inhibitor to the thread surface for corrosion protection and sealing. The engagement length of threaded connections should be adjusted and tightened with a pipe wrench according to the pipe fitting's threaded connector. Do not install backwards if thread heights differ. Locking methods must be reliable. For bolt structures subjected to bending moments, minimize thread loading to avoid bending stress on the bolts. Threaded holes should not pass through two welded parts. For deep threaded holes, design corresponding bosses on the parts. The heads of fastening bolts for high-speed rotating bodies should not protrude.

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