SDHE Series
The Atos SDHE Series refers to a high-performance line of direct-operated solenoid directional control valves designed for precise fluid direction management in hydraulic systems. These spool-type valves are highly regarded for their robust shell-moulded casting construction and ability to handle high operating pressures.
- Operating Pressure : High Performance Range
- Application : Industrial & Mobile Systems
About this item
The Atos SDHE series consists of high-performance, direct-operated directional spool valves designed to control the start, stop, and direction of fluid flow in hydraulic systems. They are engineered around an optimized shell-moulded casting that features wide internal fluid passages. This structural design minimizes internal flow resistance, reduces pressure drops, and allows the valves to safely handle high flow rates up to 80 l/min alongside extreme system pressures reaching 350 bar.
| Parameter / Feature | Description & Values |
|---|---|
| Mounting Standard | ISO 4401 size 06 (CETOP 3 / NG6) |
| Max Operating Pressure | Up to 350 bar (5,075 PSI) at ports P, A, and B |
| Max Tank Port Pressure | Up to 210 bar (3,045 PSI) for DC / 160 bar (2,320 PSI) for AC |
| Maximum Flow Rate | Up to 80 l/min (21 US gpm) |
| Solenoid Type | Wet-type, screwed tube (interchangeable AC or DC coils) |
| Electrical Safety | Coils are certified to North American cURus standards |
| Ingress Protection | Standard IP65 (Upgradeable to IP67 with AMP/Deutsch connectors) |
| Temperature Range | Ambient: -30°C to +70°C | Fluids: -20°C to +80°C |
| Fluid Compatibility | Mineral oils (HL, HLP), water-glycol, or synthetic fluids |
| Shock Mitigation | Optional anti-shock spools to eliminate water-hammer effects |
| Manual Override | Standard pin actuation (Optional rubber boots for hand operation) |
| Shifting Control | Optional calibrated plugs (L1, L2, L3) to slow down switching time |
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