CI06 – Internal Drain Pilot Operated Check Valve
The Polyhydron Internal Drain Pilot Operated Check Valve – CI06 is a high-pressure, seat-type hydraulic valve designed to provide leak-free closure in one direction while allowing free flow in the other. It is widely used for load-holding applications, such as locking hydraulic cylinders in position to prevent creeping or accidental dropping.
- Operating Pressure : High Performance Range
- Application : Industrial & Mobile Systems
About this item
The Polyhydron Internal Drain Pilot Operated Check Valve – CI06 is a seat-type valve designed with an internal drain for reliable and efficient operation in hydraulic systems. It is available in both threaded and sub-plate mounting options for flexible installation. The valve is offered with two pilot piston size options, ensuring effective control and dependable performance in applications requiring secure load holding and controlled flow.
| Nominal flow and pressure ratings | |||||||
|---|---|---|---|---|---|---|---|
| Model | Max. working pr. (bar) | Max. flowl/min. | |||||
| CI06 | 700 | 30 | |||||
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- Maximum Working Pressure: Up to 700 bar.
- Flow Capacity: Nominal flow is 30 L/min.
- Construction:Â Seat-type valve with internal drain, ensuring minimal leakage and robust performance.
- Mounting Styles: Available in both threaded port and sub-plate mounting configurations.
- Pilot Piston:Â Available with two pilot piston sizes to allow for different pilot ratios.






















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