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CUSTOMISED THREADED COUPLING FROM STAUFF FOR TIPPER TRUCKS

It all began with a requirements specification from a customer. The result is the QRC-HT threaded coupling now presented by Stauff, which was specially developed for connecting hydraulic lines in automotive engineering.

CUSTOMISED THREADED COUPLING FROM STAUFF FOR TIPPER TRUCKS

A tipper truck manufacturer wanted a robust hydraulic coupling which is suitable for manual operation and achieves a long service life even under the adverse conditions at construction sites.

The QRC-HT "tipper coupling" now presented by Stauff as a new product in its broad range of hydraulic couplings meets these requirements perfectly. The plug section, i.e. the loose half of the coupling, Features a threaded sleeve which is actuated with a wing nut - even with work gloves and in hard-to-reach areas of mobile work equipment.

As requested by the user, the coupling is manufactured only in two nominal sizes (DN 19 and DN 25). It is suitable for operating pressures up to 350 bar and achieves a maximum rated flow of 320 l/min. Coupling and releasing under residual pressure are possible.

The requirement for a long service life is fulfilled, among other things, by the high-quality, zinc-nickel-based corrosion protection coating which has already proven successful as the standard corrosion protection at Stauff.

The coating offers maximum resistance to red rust/base metal corrosion in practical application and exceeds even the highest requirements of corrosion protection class K5, which are defined in VDMA standards sheet 24576 for tube connections. The high ductility of the coating is the prerequisite for the above-average wear protection under high mechanical strain.

With this addition to its range, Stauff reinforces the claim of being able to supply even niche products for mobile hydraulics at a high quality level as a one-stop supplier for tube and hose connections worldwide - as well as the competence and readiness to develop such products as a customised project in close cooperation with users.

www.stauff.com

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