EVERDIGM EPG05, Руководство по эксплуатации и техническому обслуживанию

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5.3. Installation of hydraulic piping on the carrier

Basic circuit for grab piping
RA
RB MB
MA
P T
P
T
Relief Valves for
Grab Open/Close
Option Valve for Rotation
Stop Valves
Relief Valves for
Rotation
Stop Valves
Flow Control
Valve for Grab
Open/Close
Flow Control
Valve for
Rotation
Figure 12
The following functions are required in the hydraulic circuit for the grab :

Relief valves to set the maximum pressure in grab opening and closing operation

Flow control valves to adjust working speed and rotation speed
(but, it is necessary not to exceed recommended speeds otherwise hydraulic motor and seals in it will be
damaged. Refer to page 12,
“3. Technical specifications“)

Relief valves in hydraulic motor to set maximum pressure.

Stop-valves in the connection with the hose from the grab.

Standard piping kit for EVERDIGM EPG-series grab
By this kit, all of Grab opening, closing and rotating of the grab can be carried out with one spare valve of
the carrier. For more information, ask EVERDIGM dealer.