IUR-FJ
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This series valve allows to free the loading pressure from the oil source when pilot pressure achieves the setting value.
The valve can also provide the use of overflow protection.
The adjustable spring-loaded ball in the pilot section is shifted at valve setting by pressure sensed through an orifice in the main spool from port 1.
The resulting pilot flow creates a pressure drop across the spring-loaded main spool that then opens allowing relief flow to port 2.
When pressure of port 3 reaches the setting value, allows flow from port 1 to port 2 without loading pressure.
Port 1 will close and function as relief valves when pressure to port 3 reaches 85% of setting value
Unload/Reload setting range :
10-15%
Rated Flow：
60 l/min
Max. pressure：
350 bar
Leakage：
35 ml/min
Working temperature：
Min. -20℃, Max. 90℃, with standard BUNAN gaskets
Min. -20℃, Max. 120℃, with optional VITON gaskets on request
Fluid:
best use mineral oil with viscosity ranging between 10 and 200 cSt
Filter:
25 micron or better
Cavities:
see cavity data AJJ-03
Installation:
before screwing the cartridge on the valve body, ascertain to provide suitable gasket lubrication with clean oil and also be sure to screw the cartridge manually in to reach against the gaskets in the valve body.