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- Products
HY-YF04-05 (Direct-Operated Relief Valve)
Brief introduction:
Product features:
Screw-in cartridge;
Small size; compact structure;
Direct-operated, poppet-type;
Optional pressure adjustment spring.
Function:
When the pressure value of port P is 85% of the spring set pressure, oil port P to T will be closed; If the pressure is more than 85% and continue rising, the fluid will be relieved from port P to T, till to the max spring set pressure value. (note: the rate 85% is an approximate value, it’s normal that the actual value may slightly deviates.)
Technical specification (for application beyond these parameters, please contact with us)
|
Model |
HY-YF04-05 |
|
Installation position |
Optional |
|
Shortage temperature (℃) |
-03 to +120 |
|
Installation torque (N.m) |
13.5-16 |
Hydraulic parameters (for application beyond these parameters, please contact with us)
|
Maximum pressure |
210 Bar |
|
Maximum flow |
15 L/min |
|
Internal leakage |
3 ml/min (measured at 210 bar) |
|
Working medium |
Mineral oil; phosphate-ester |
|
Viscosity range |
20-380 mm2/S |
|
Oil temperature |
-20 - +70℃ |
|
Pollution level |
The maximum allowable cleanliness of the oil should be according to 9th degree of standard NAS1638. it is suggested that the minimum filter rating should be β10≥75. |
|
Cavity |
HYT-2102, see page H.1.11 |