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Oil Operator Product List

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Hydraulic control equipment Electric oil controller HOP series

Hydraulic control equipment Electric oil controller HOP series

Energy-saving high-power electric hydraulic servo actuator

This is a hydraulic actuator that receives instrumentation signals such as 4-20mA and rotates the operating shaft to the corresponding position. The E/E (electric/electric) positioner, hydraulic path switching valve, hydraulic pump, and cylinder are compactly integrated. The positioner receives external instrumentation signals and recognizes the deviation from the current position. The actuator switches the hydraulic path via the switching valve in the direction to eliminate this deviation, rotating the operating shaft to the position corresponding to the signal. The rotation speed of the operating shaft is based on our unique deviation proportional speed operation, achieving stable positioning without overshoot. 【Features】 - The powerful hydraulic operation ensures reliability without troubles. - Installation is simple. - A wide variety of models are available to choose from according to the required torque. - It has a high energy-saving effect and a mechanism that minimizes the degradation of hydraulic oil. - The operating direction can be easily switched with a switch. - A wide range of additional equipment can be installed. *For more details, please refer to the PDF materials or feel free to contact us.

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  • Other process controls
  • Other FA equipment

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Hydraulic control equipment Electric oil controller EOP series

Hydraulic control equipment Electric oil controller EOP series

Compared to other servo valve methods, it is more resistant to hydraulic oil contamination and has excellent durability.

This is an actuator that receives instrumentation signals such as 4-20mA and converts them into mechanical movements, such as the rotation of an operating shaft or linear motion of the shaft, proportional to the signals received. Hydraulic oil generated by a hydraulic pump is ejected from the injection pipe (hydraulic injection pipe relay mechanism), and the force coil that receives the instrumentation signal vibrates the injection pipe, sending hydraulic oil into the cylinder, causing the cylinder rod to extend and retract. This also rotates or moves the connected operating shaft in a linear motion. The movement of the operating shaft is fed back to the injection pipe through a mechanical restoration mechanism. In place of the mechanical restoration mechanism, we also offer a high-density, responsive SOP series that forms a servo system with electrical feedback. 【Features】 - Operation is reliable and trouble-free due to the powerful force of hydraulic power. - Each unit is robustly constructed. - The use of hydraulic injection pipes makes it resistant to contamination from hydraulic oil and highly durable. - Installation is simple. - Electrical work involves only wiring for the motor's power supply and input signals. - Mechanical work requires only linking the operating end. *For more details, please refer to the PDF document or feel free to contact us.

  • Hydraulic Equipment

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Hydraulic device Electric oil controller SST series

Hydraulic device Electric oil controller SST series

Compact and high-power hydraulic control equipment. Energy-saving type and easy to maintain!

This is a high-end model of the HOP series, which has a cumulative shipment record of over 2,000 units to power plants, steel mills, incinerators, industrial furnaces, etc., since its launch 25 years ago. It is a hydraulic actuator that receives instrumentation signals such as 4-20mA and rotates the operating shaft to the corresponding position. To meet the needs of the steel industry, the electromagnetic switching valve type hydraulic actuator HOP has been enhanced for high speed, high precision, and high torque. Compared to the injection tube method, maintenance is easier. Additionally, it is an energy-saving type with less degradation of hydraulic oil, resulting in lower running costs. 【Features】 ■ High speed and high precision - Operating speed from fully open to fully closed is 5.5 seconds (50/60Hz) - Hysteresis is 0.75% ■ Easy maintenance - Compared to the conventional injection tube method, it has fewer parts and is easier to maintain - Reduces inventory of replacement parts ■ Self-cleaning action of the hydraulic oil in the actuator - The filtration filter (8μ) mounted on the line filter provides a self-cleaning action, improving the cleanliness of the hydraulic oil since opening ■ Energy-saving with unload circuit - Once positioning is complete, the pump enters an unload (no-load) state - Since hydraulic pressure is not constantly applied, it suppresses oil temperature rise and cuts unnecessary power consumption *For more details, please refer to the catalog or contact us.

  • Hydraulic Equipment

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Fuel Oil Operative 'HOP4'

Fuel Oil Operative 'HOP4'

Energy-saving yet high power! It can suppress the degradation of hydraulic oil and is easy to maintain. Active in various plants and more.

The "HOP4" is an electric hydraulic servo actuator that controls hydraulic pressure by receiving 4-20mA instrumentation signals from external sources and operates a cylinder using an electromagnetic valve control method. It is suitable for opening degree control of various valves, dampers, and butterfly valves, and is actively used in airflow control, pressure control, and other applications in various plants. When not in operation, the power-down function minimizes power consumption, and the reduced oil temperature rise helps suppress the deterioration of hydraulic oil, contributing to the longevity of the oil. 【Features】 ■ High cost performance ■ Compact design, saving installation space ■ Ensures high torque ■ Highly reliable design ■ Easy one-touch switching of operating direction *For more details, please refer to the documentation. Feel free to contact us with any inquiries.

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  • Other FA equipment
  • Actuator

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Diesel fuel operator (can use water-glycol based hydraulic oil)

Diesel fuel operator (can use water-glycol based hydraulic oil)

Even in environments where mineral-based oils could not be used, electric oil controllers are effective.

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 Since it contains vapor-phase rust inhibitors, it exhibits rust prevention even on surfaces that do not come into contact with the hydraulic fluid.

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  • Other FA equipment
  • Actuator

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Hydraulic control equipment Electric oil controller Explosion-proof type

Hydraulic control equipment Electric oil controller Explosion-proof type

It can be made into a product compatible with intrinsically safe explosion-proof structural design that can be installed in hazardous locations.

When using electrical equipment in hazardous locations where flammable gases or flammable liquid vapors are released into the air, such as in oil refining and chemical plants, it is necessary to use "explosion-proof equipment" designed to prevent explosions. The EOP series and COP series electric oil actuators can be modified with motors, force coils, displacement transmitters, etc., to meet the requirements for intrinsically safe explosion-proof structures suitable for installation in hazardous locations. However, the motors will be of the pressure-resistant explosion-proof type. Please refer to the EOP series for the equipment configuration. 【Features】 ○ Achieves application in hazardous locations ○ Can be modified to meet intrinsically safe explosion-proof structure requirements ○ Motors are of the pressure-resistant explosion-proof type ○ Intrinsically safe explosion-proof structure: Ex ib ～B T4 * For more details, please refer to the PDF document or feel free to contact us.

  • Hydraulic Equipment

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