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

Description & Features

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.

Model Number	Key	Product Description	Price	Action
FVL5LEV105000 SD4 Series Monoblock Valve	(5)	WALVOIL 5LEV105000 SD4 LEVER BOX.
FVL5V11104000 SD4 Series Monoblock Valve	(4)	WALVOIL 5V11104000 SD4 DETENT KIT.

Question by: Hubert R on Apr 22, 2025, 11:13 AM

What kind of hydraulic systems does this valve work with? Open or closed center?

Answer by: Customer Support on Apr 24, 2025, 10:26 AM

It's designed for both open and closed center hydraulic systems, offering flexibility in its application.