SD4 Series Monoblock Valves, Up To 3600 PSI & 12 GPM

Ambient Temperature Range

-40°F to 140°F.

Features

Simple, compact design, one-spool valve for open and closed center hydraulic systems • Main pressure relief valve • Optional rotary and detent kick-out controls • Optional cable control • Interchangeable spools.

Flow Rating

12 GPM.

Fluid Viscosity

80 to 400 SSU Operating, 70 SSU Minimum, 1950 SSU Maximum.

Internal Leakage

0.18 in³/min at 1450 PSI differential pressure.

Maximum Back Pressure

360 PSI on outlet port T.

Maximum Operating Pressure

3600 PSI.

Note

Performance data measured with mineral oil of 215 SSU viscosity at 104°F.

Recommended Filtration

ISO 4406 19/16.

Temperature Range

-4°F to 176°F with standard Buna-N seals.

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