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Overcentre Valve
Fully Balanced
SOBD5A-R4/l
HA 5208 7/2008
M27 x 1,5 • pmax 350 bar • Qmax 90 L/min
q The valve prevents runaway in the event of a nega-
tive load
Replaces HA 5208 9/2006
q Load-holding with minimal leakage
q Pressure relief function protecting the actuator
against overload and pressure peaks
q When installed into the actuator the valve can be
used as a hose burst valve
q When used as pressure relief the check valve will
act as an anti-cavitation valve
q Relief setting is unaffected by back pressure q The valve should be mounted as close as possible
to the actuator
Functional Description
The valve consists of a seat by-pass, relief valve fitted with an auxiliary control with a differential piston and by-pass single-way valve serving for reverse direction of flow.
SOBD5A-R4 Datasheet
