HY-SP08-20 (Poppet-type, 2-way, Normally Closed)

Description:A solenoid-operated, 2-way, normally closed, proportional, poppet-type, screw-in hydraulic cartridge valve for blocking or load-loading applications.

Operation:When de-energized, the HY-SP-08-20 acts as a check valve, allows flow from ① to ②, while blocking flow from ② to ①. when energized, the cartridge’s poppet lifts to open the ② to ① flow path. Flow is proportional to current applied to the coil. Flow varies with manual override.

Technical specification (for application beyond these parameters, please contact with us)




Installation position

When possible, the valve should be mounted below the reservoir oil level. This will maintain oil in the armature preventing trapped air instability. If this is not feasible, mount the valve horizontally for best results.

Storage temperature (℃)

-20℃ to +55℃

Ambient temperature (℃)

-20℃ to +50℃


Hydraulic specification

Operating pressure

250 Bar (3625psi)

Minimum operating dither/ pulse frequency

70 Hz


Up to 22 lpm (5.8gpm) at 34.5 bar (500psi)

Hydraulic fluid

Mineral oil, phosphate-ester


7.4 to 420 cSt (50 to 2000 sus)


-40℃~+140℃, with NBR seals


HY08-2, see page H.1.2

Internal leakage

5 Drops/minute max. at 250 bar (3625psi)


Less than 5% up to 85% of I-max;

Less than 10% above 85% of I-max.


Electrical specification

Max. Control current

12 VDC coils: 1.0 ± 0.1A;

24 VDC coils: 0.5 ± 0.05A


See more