Tube becoming allows protected and repeatable assembly and reliable leak-free operations

ower administration firm Eaton – now part of Danfoss Power Solutions (Sealing Technology, September 2021, page 2) – lately expanded its product portfolio with the addition of the robust WALRINGplus soft seal slicing ring system, optimised for thin-wall tubing.
Featuring a two-edge slicing ring, with extra soft sealing for both attainable leak paths, this tube fitting system allows easy, secure and repeatable assembly and reliable, leak-free operations.
It is designed to fulfill demanding requirements, involving hydraulic tube fitting in applications together with use in agriculture, construction, commercial autos, discrete manufacturing, rail transportation and different industries.
It is suitable for use with thin-walled tubes and, subsequently, helps efficient weight and fuel discount of cellular equipment and moving parts of stationary equipment.
Correct assembly is crucial to tube fitting efficiency and WALRINGplus is designed to prevent extreme or insufficient tightening. A clear block-stop operate provides a tangible torque enhance when the top of an assembly is reached, so no torque or distance measurement is required.
In addition, a significantly lower pressure is needed to tug the cutting ring over the tube – making meeting easier, faster and safer, whilst decreasing the risk of injury to the soft seal. The O-ring groove position also allows frequent reassembly, without affecting efficiency.
To remove pressure gauge octa of leaks that can create expensive injury and downtime, WALRINGplus additionally addresses their widespread root causes.
Soft sealing prevents leakages if: tubes or studs are barely scratched, the fluid temperature fluctuates or the retention drive is lowered. Problems caused by low meeting torque additionally can be recognized earlier than the slicing ring is pulled from the tube – lowering the chance of a catastrophic failure in utility.
The bespoke M-R7 machine additional reduces meeting time and the trouble required for WALRINGplus as nicely as the danger of leaks. By automating the process of cutting-ring meeting and tube-forming, this machine helps guarantee optimum system efficiency while also lowering the required torque and rotrotation.
Specifications of WALRINGplus: • metal chopping ring with Viton O-rings; • for tube sizes 6–42 mm; • complies with ISO 8434-1; • high burst-pressure exceeding 4:1 safety issue; • working stress as much as 500 bar (L-series) and 800 bar (S-series); and • supports dry assembly with metal elements.
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