SAE Cartridge - 350 bar
Direct acting - Spool Type
A screw-in, cartridge style, direct acting, poppet type, hydraulic
pressure reducing and relieving valve with internal spring chamber
When the pressure at port (1) is below the valve setting, the valve
allows the flow to pass bidirectionally from (1) to (2).
When the pressure at port (1) exceeds the valve setting, the spool
shifts to restrict the flow at port (2), relieving or reducing the pres-
sure at port (1) depending on the flow direction.
A further pressure increase in port (1) causes the spool to shift
against the spring so that the flow is relieved to tank (3).
The system is self-regulated and stable thanks to an appropriate
The spring chamber is constantly drained to tank.
All external surfaces are zinc plated and corrosion-proof.
All valve parts are made of high strength steel. The spool is hard-
ened and ground and the cage is super-finished to guarantee mini-
mal wear and to extend service life.
Fixed pressure setting.
Industry common cavity.
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|Maximum operating pressure||350 bar|
|Maximum flow||20 l/min|
|Maximum internal leakage||100 cc/min to 80% of nominal set point|
|temperature||-30°C to 110°C|
|fluids||Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt|
|installation torque||45-50 Nm|
|seal kit code||SK.035|
NOTE: The performance chart illustrates flow handling capacity at various settings. P/Q curves are recorded at TOil = 40°C and 46 cSt