Walvoil SDM monoblock control valve

Simple, compact and heavy duty designed monoblock valves from 1 to 6 sections for open and closed centre hydraulic systems.

Fitted with a direct or pilot operated main pressure relief valve.
Each spool has indipendent load check valve.
Parallel circuit.
Optional carry-over port.
Diamater 18 mm (0,71 in.) interchangeable spools.
A wide variety of service port valves.
Available manual, pneumatic, electro-pneumatic, hydraulic, electro-hydraulic and remote with flexible cables spool control kits.

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Technical Specifications

Nominal flow rating		80 l/min
Operating pressure		315 bar (4600 psi)
Max back pressure	On outlet T	25 bar (360 psi)
Internal leakage A(B)→T	∆p=100 bar (1450 psi) fluid and valve 40°C	3 cm3/min (0,18 in3/min)
Fluid		Mineral base oil
Fluid temperature	with NBR seals	from -20° to 80°C
with FPM (VITON) seals	from -20° to 100°C
Viscosity	Working range	from 15 to 75 mm2/s
Min	12 mm2/s
Max	400 mm2/s
Max level of contamination		-/19/16 - ISO 4406
Ambient temperature for working conditions	With mechanical, hydraulic or pneumatic control	from -40° to 60°C
With electric controls	from -20° to 60°C

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Walvoil SDM monoblock control valve

Simple, compact and heavy duty designed monoblock valves from 1 to 6 sections for open and closed centre hydraulic systems.

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