Seat hydraulic directional control valve D660 series
pilot-operatedfor high flow rates

seat hydraulic directional control valve
seat hydraulic directional control valve
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Actuating method
Other characteristics
for high flow rates
Operating pressure

210 bar, 350 bar
(3,046 psi, 5,076 psi)

Flow rate

Max.: 3,600 l/min
(951 us gal/min)

Min.: 30 l/min
(8 us gal/min)


ISO 4401 SIZES 05 TO 10 (D661, D662, D663, D664 AND D665) • Optimized design of valve bodies for high rated flow • Available as 2- or 3-stage valves, dependent on required dynamics • Optional ServoJet or nozzle-flapper pilot valves • Excellent dynamic response due to improved pilot stages • Different fail-safe options available allowing the best fit to the application


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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.