株式会社三光製造所


We will introduce the hydraulic valves that we develop.

Parts reductions and reduction of assembly procedures for main machinery can be achieved.

Double Counter Balance Valve
Applications in: construction machinery, specially equipped vehicles and tunneling equipment
・The weakness of cartridge style counterbalance valves has been solved with improved override features.
・With an update to the internal structure, the maximum performance of various cylinders can be achieved.
・Routing can be simplified by combining multiple valves n the same circuit
Double Pilot Check Valve
Construction machinery, specially equipped
・Hunting is prevented by internalizing the C2 port meter mount constriction
・Because an orifice is not used, contamination resistance is high
・Cylinder speed is faster compared to orifice implementations
3/8 Direct Relief Valve
Reduced size and reduced leakage following blow-off

Provides safety in booms for high-rise work equipped vehicles

By changing the springs, can now be used from low to high pressures
SV800 Lubrication Valve
Applications in construction machinery? outriggers on specially equipped vehicles
Other Valves



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