Page 24 - Industrial Technology EXTRA 25th January 2021

EXTRA ‘FOCUS’ HYDRAULICS AND PNEUMATICS

Parker introduces steer-by-wire valve

for mobile machinery applications

arker Hannifin has launched a mobile individual pilot circuits. The pilot circuits consist
directional control valve that can be of fail-safe pilot valves. With a proportional
used in a Steer-by-Wire system for control pressure rating up to 350 bar and
Pearth-moving equipment and other pressure compensated flow up to 110 l/min, it is
types of mobile machinery. This high- well-suited for mobile machinery applications.
performance single fault tolerant valve is The SBW110 valve is designed according to
designed to support the ongoing evolution and ISO 13849-1:2015 and ISO 13849-2:2012
trend for electrification of vehicles in this market. with design architecture category 3 (single fault
Over the years, orbitrol steering has become tolerant), and the requirements in ISO
a de facto standard in mobile machinery. The 5010:2019 for rubber tyred machines and can
orbitrol solution has many benefits and it is a be used in systems requiring PL a to PL e.
proven and reliable system. However, there are www.parker.com
disadvantages with the orbitrol steering system. Tel: 01926 833839
A Steer-by-Wire system where the hydro-
mechanical connection between the steering
wheel and the steering cylinders is substituted
with electronics enables a hydraulic-free cabin,
easier installation, and increased
comfort for the operator.
Steer-by-Wire systems
are compatible with other
automotive trends
such as vehicle
automation (autono-
mous driving), remote
connectivity and
artificial intelligence.
These advantages
also bring high
energy efficiency.
The Parker SBW110
mobile directional control valve
is a state-of-the-art closed center load
sensing (LS) valve. The valve is controlled by two

January 2021 • INDUSTRIAL TECHNOLOGY EXTRA • p24