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Operation:
In its steady-state, spring-offset position, the valve directs flow from ② to ①, while blocking at ③.
In the actuated (pulled) position, the cartridge directs flow from ③ to ②, blocking ①. The spring chamber is vented at ①.
Note: pressure at port ① will directly act on the spool and spring. Port ① is intended to be a tank port only.
A unique pull-and-rotate feature for holding the positive actuated position is optional.
A 90° rotation is required to position at the hold slot. The valve resets to spring-return de-actuated with a slight pull and a 90° turn from the locked actuated position.
Specifications
Operating pressure: |
Port ③&②: 240 bar; port ① max: 14 bar |
Flow: |
See pressure drop vs. flow graph |
Internal leakage: |
82 cc/min.max. at 240 bar |
Temperature: |
(-40℃ to +120℃) with NBR material seals |
Fluids: |
Mineral-based fluids with viscosity of 7.4 to 420 cSt. |
Cavity: |
HY08-3, see page H.1.2 |
Body material: |
6061-T6 Aluminum alloy rated to 207 bar, steel & ductile iron rated to 350 bar |