Diesel fuel operator (compatible with water-glycol-based hydraulic fluids)
Our company's electric oil controllers "HOP," "EOP," and "COP" series.
The electric oil controller is effective even in environments where mineral-based oils could not be used.
The Okaya Seiritsu electric oil controller can also be used with water-glycol-based hydraulic fluids. ◆ Flame Retardant Due to its superior flame retardancy compared to mineral oils, it can be used in a wide range of environments (fire prevention, compliance with fire safety regulations, etc.) ◆ Stability It is resistant to heat and oxidation, making it less prone to degradation, and has minimal viscosity changes in response to temperature fluctuations, allowing for stable control. ◆ Oxidation Prevention It contains vapor-phase rust inhibitors, providing rust prevention even on surfaces that do not come into contact with the hydraulic fluid.
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basic information
Our electric oil actuators can also be used with water-glycol-based hydraulic fluids. They are utilized in environments handling hydrogen, chemical plants, and explosion-proof areas, making them suitable for a wide range of applications. Note: Operation has been confirmed with Hydrol HAW. Please consult us in advance if you plan to use other water-glycol-based hydraulic fluids.
Price range
Delivery Time
※It varies depending on the model.
Applications/Examples of results
- Opening and closing control of butterfly valves, valves, etc. Example: Environments handling hydrogen Chemical plants Oil plants Explosion-proof areas, etc.
Line up（3）
| Model number | overview |
|---|---|
| HOP Series | This is a hydraulic switching valve type electric oil actuator, which integrates devices such as E/E positioner, oil pump, motor, safety valve, and cylinder. |
| EOP Series | This is an injection tube type electric oil actuator, which integrates devices such as oil pump, motor, cylinder, fast coil, and restoring mechanism. |
| COP Series | This is an injection tube type electric oil actuator that operates by directly receiving the necessary control signals at the pressure-sensitive part (diaphragm), integrating devices such as oil pump and motor. |
Company information
Okaya Seiritsu Industry started in 1950 with the manufacturing of hydraulic control devices. With our expertise in control technology, we develop actuators and control systems that manage the flow of gases and liquids, contributing widely from pressure control in high-tech factories and laboratories such as pharmaceutical plants, LCDs, and biotechnology, to water treatment facilities closely related to daily life, steelworks for basic materials, and power plants as part of social infrastructure.
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