V66, Manually Operated Check Valve with Built-in Relief Valve

Details

Engineered for critical hydraulic safety in mobile and industrial machinery, the RIVERLAKE V66 combines precision load-holding with adjustable speed control. This valve delivers unmatched security in crane, construction, and energy applications where uncontrolled movement risks catastrophic failure. • Zero-Leak Ball Lock: Precision-ground tool steel ball + nitride-hardened seat ensures <0.1 mL/min internal leakage at 70MPa. • Integrated Relief Valve: Adjustable blow-off pressure (20-70MPa) prevents cylinder damage during overloads. • 42CrMo QPQ-Treated Body: Nitriding + oxidation surface hardening (800HV) withstands 1,000+ hrs salt spray corrosion. • High-Temp Resilience: Fluorocarbon seals operate at -30°C to 150°C. • Speed-Regulated Lowering: Metered oil return enables precise descent rates—eliminating “runaway cylinder” risks. • Pilot-Actuated Release: Smooth flow path transition prevents pressure spikes during unlocking. • Prevents cylinder rod burst via adjustable overpressure relief • Ensures controlled descent in winch/boom applications ► Energy Efficient: 25% lower pilot pressure vs. poppet-type designs ► Compact Integration: Cartridge/inline mount (ISO 7789 / SAE J1926)