AGRITECHNICA FLUID POWER
STUCCHI
Making connections November 10-16, 2019
Stucchi
Hall 16, Stand A16
USING THE CORRECT QUICK HYDRAULIC COUPLINGS IS THE DIFFERENCE BETWEEN
A SAFE, STREAMLINED OPERATION AND ONE THAT IS BURDENSOME
The use of quick couplings is now commonplace
and even essential in many sectors, including the
off-highway industry and in all manner of fluid power
hydraulic systems.
The applications that exploit the benefits of quick
couplings are in constant expansion in the sector of
agricultural mechanics, reflecting the continuous
research and development work carried out by
manufacturers and component suppliers to offer
the market and users new technologies that make
operations easier in the field.
Equipment and accessories for tractors are typically
associated with the rear of the machine. Quick couplings
for conveying hydraulic fluids that are applied at the front
of the tractor are also important.
Of course, an agricultural tractor is mainly used with
equipment connected at the back and therefore behind
the operator, because farming involves many operations
with machinery that is towed, such as ploughing,
sowing and transporting.
For certain uses, however, the equipment must be
mounted on the front of the tractor and connected to
the hydraulic system. This equipment can be, for example,
front loaders for the handling of bales of hay, soil or
fertilizer; haymaking machinery (forage harvesters or hay
rakes) or machines for removing snow from roads (blades
or turbines); or even simple counterweights.
This front equipment also generally requires
hydraulic systems to move the control elements.
Front loaders, for example, have cylinders that
allow you to lift the frame, move the bucket,
and even operate the cylinders of a tool to
grip a tree trunk.
Connection choices
The equipment can use up to six
hydraulic lines, in addition to any
electrical connectors for
controlling electrical or
electronic components. These
hydraulic lines can be
connected either individually
with manual quick couplings
or with quick multi-coupling
systems, which connect all
the lines and the electrical
connector at the same time.
94 iVTInternational.com September 2019
ABOVE: Couplings benefit
the front and rear of tractors
RIGHT: The A Series can cope with high
operating pressures
BELOW: The GR multicoupling allows multiple
lines connection in complete safety
As for haymaking or snow removal equipment, the
cylinders that move the parts in use are, in turn, driven
by hydraulic lines connected with single quick-release
couplings. Stucchi is a well-established supplier of quick
couplings applied to the front of the
tractor, especially of the
flat-face type, and are
interchangeable
according to ISO16028.
Flat-face quick
couplings also offer many
advantages to the user in the
agricultural sector compared
to the less evolved poppet type
coupling. In fact, manufacturers
are increasingly turning to this
solution for their machinery and
equipment.
Stucchi flat-faced couplings allow
the machine and tools to be connected
with complete safety for the operator
and the environment thanks to the
no-spill system that virtually eliminates
the leaking
of fluid. The
couplings are
also easy to
clean before
connection,
reducing the
possibility of
contamination
of the circuit.
The GR/DP
multicouplings have up to 10 lines that can be connected
and disconnected at the same time in a safe, simple and
quick manner and with minimal effort. The lines can be
all of the same size or in different sizes according to the
application.
The internal design of the A Series product and use
of highly resistant materials ensure impressive operating
pressure with minimal drop. The modular structure
allows for the flexible combination of several types
of threads or special ports for a variety of applications
while maintaining compact size.
The continuous evolution of technologies and
growing use of agricultural tractors for an everincreasing
number of applications in both with rear and
front equipment will require exponentially more quick
couplings, especially of the flat-face variety. iVT
By Matteo Allevi, product specialist at Stucchi
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