| 摘要 |
PROBLEM TO BE SOLVED: To minimize the longitudinal direction of a control valve when connecting a valve block compatible with a special specification to a valve block compatible with the normal specification. SOLUTION: This control valve is provided with a first valve block 4 integrally formed with plural direction selector valves compatible with the normal specification and having pump ports 5 and 6 to be connected to a first hydraulic pump 1 and a second hydraulic pump 2, and a second valve block 20 to be connected to the first valve block 4 and having direction selector valves compatible with a special specification and having a flow-in port 24 for flow-in of the pressure oil discharged from a third hydraulic pump 3. The second valve block 20 has plural direction selector valves compatible with the special specification and arranged in nearly parallel with the flat surface, a joint surface of the first valve block 4, and has a center bypass passage 23.
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