Murrplastik Systemtechnik hose connectors, Germany Murrplastik Systemtechnik models, Murrplastik Systemtechnik prices

Murrplastik Systemtechnik hose connectors are fittings 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.

Murrplastik Systemtechnik hose connector prevention

In hydraulic systems, both metal pipe fittings and hose connectors are prone to leakage. For bite-type pipe fittings, leakage is mostly caused by loose bite rings or deformation of the pipe end due to significant external forces or impacts on the pipeline. In such cases, check whether the bite ring is out of round, whether the cutting edge is damaged, whether the pipe end is intact, and the tightness of the bite ring nut, while also eliminating external forces on the pipeline. For flared pipe fittings, leakage is mostly caused by excessive flaring, non-compliant quality, or repeated disassembly, leading to deformation or cracks in the flare. In this case, cut off the front end and re-flare it. If sealing is achieved using male and female cone compression, leakage is mostly due to damage to the two cone surfaces, which can be ground using abrasive sand. In applications where "O"-rings seal against the end face or outer diameter, causes of leakage include: leakage due to aging or deformation of the "O"-ring; leakage due to improper assembly of the "O"-ring, causing uneven pressure during the connection of two planes or cutting of the "O"-ring; leakage due to insufficient compression of the "O"-ring, resulting in inadequate elastic deformation; and leakage due to excessively deep groove stops for the "O"-ring. To address this, select an "O"-ring with the same outer diameter but a thicker cross-section, or machine the sealing plane with the groove stop by cutting or grinding to reduce the groove depth, ensuring sufficient elastic deformation of the "O"-ring (compression should generally be between 0.35-0.65mm). For leaks at pipe joints using oil-resistant rubber sheets, wool felt, soft steel paper, composite gaskets, or sealants, regardless of the material, first inspect the seals for damage, deformation, aging, or excessive roughness, and then take appropriate measures.

Murrplastik Systemtechnik hose connector installation precautions

Pipe threads must meet requirements. Threading should be completed in two passes, using coolant during machining. Process threads to standard specified dimensions, clean away debris remaining on the 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 tightened with a pipe wrench to adjust torque according to the pipe fitting's threaded joint. After connecting pipes and fittings, apply rust-preventive sealant or zinc-rich paint to exposed threaded parts, all clamp marks, and surface damage. Do not install threaded joints with different heights in reverse. Anti-loosening 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 blind holes, design corresponding bosses on the parts. The heads of fastening bolts for high-speed rotating bodies should not protrude.

Murrplastik Systemtechnik hose connector manufacturing process

It includes a sealing ring, a connecting part, and a union nut for connecting the pipe. Therefore, the sealing ring is designed as a ring cutter with one or more cutting edges. By screwing the union nut onto the connecting part, the ring cutter can be inserted into the cavity of the connecting part, which has a conical surface. The outside of the sealing ring has an annular reinforcement on the nut side. This annular reinforcement forms an annular surface at its transition zone towards the narrow ring section. The inclination of this annular surface, formed by the reinforced part of the ring cutter, relative to the pipe axis is 45°-90°. When fully assembled, the axial length of the annular reinforcement allows the transfer element located on said annular surface to imprint its own negative image structure onto the end face of the connecting part. The transfer element has a three-dimensional profile, the negative image of which can be transferred to the surface of the connecting part. Similar to die stamping, the assembler applies pressure to imprint the negative image onto the surface of the connecting part.

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