Page 957 - Industrivaror Katalog (MRO) 2015|16

Pumpar
Pilot operated Pressure relief Valves.
Characteristics
Series R4V/R6V
Pilot operated pressure relief valves series R4V (DIN 24340 Form D) and R6V (DIN 24340 Form E) consist of a manually adjusted pilot stage and a seated type main stage.
A vent function with a solenoid operated directional valve is available for circulation at minimum pressure.
Features
• Pilot operated with manual adjustment
• 2interfaces
- R4V Subplate ISO 6264 (DIN 24340 Form D) with VV01 vent valve
- R6V Subplate ISO 6264 (DIN 24340 Form E) with CETOP 03 vent valve
• 3 pressure stages
• 3 adjustment modes
- hand knob
- acorn nut with lead seal
- turning knob with key lock
• Remote control via port X
Function:
Series R4V/R6V
System pressure in port P is applied via the X gallery to the spring loaded cone in the pilot head. The pilot head controls the pressure in the Z area on top of the main cartridge which is additionally kept close by the main spring.
If the pilot pressure exceeds the setting pressure the pilot cone opens and thus limits the pilot pressure.
When the system pressure exceeds the pilot pressure plus the spring force, the main cartridge opens to port T and limits the pressure in port P to the adjusted level.
Series R4V/R6V with vent function
Additionally to the relief function of series R, a solenoid operated vent valve connects the Z area to tank. This allows oil circulation from P to T at minimum pressure drop. The vent valve can either be a standard CETOP 03 valves (mounting form E) or a sandwich unit (mounting form D). For both types the vent position can be either at the energized or de-energized solenoid.
R6V06
R4V06 with vent valve
R6V06 with vent valve
R6V06 with vent valve
Hydraulik
9
Code 09
Code 11
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