Proportional Valves

ASCO Proportional Valves are innovative and reliable solutions for precise control of fluids and gases in various applications. These valves use advanced technology to modulate flow rate and pressure with high accuracy and repeatability, making them ideal for critical processes that require constant and precise control. Designed with exceptional durability and efficiency in mind, ASCO Proportional Valves are engineered to provide superior performance in demanding environments. They offer exceptional flexibility and control options, allowing users to customize the valve’s behavior to meet their specific needs. With their advanced design and superior performance, ASCO Proportional Valves are ideal for a range of applications, including medical and analytical instruments, food and beverage processing, water treatment, and HVAC systems. These valves offer a combination of reliability, precision, and ease of use that makes them an indispensable component of many industrial and commercial systems. If you’re looking for a high-quality proportional valve that can provide reliable and precise control of fluid and gas flow, ASCO Proportional Valves are an excellent choice. With their superior design, durability, and flexibility, these valves offer outstanding performance and value, making them a smart investment for any industrial or commercial application.

Proportional Valves - High-Quality Products and Solutions at Valves Direct
  • Series 833-355 Sentronic Valves
    ASCO JOUCOMATIC Series 833-355 sentronic proportional valve with external pressure port is constructed from aluminium and brass with FPM and NBR seals. Acceptable fluids include air or neutral gas (filtered at 50um), condensate-free, lubricated or unlubricated.
  • Series 833-357 Sentronic D Valves
    ASCO Series 833-357 – JOUCOMATIC Sentronic Digital is a highly dynamical 3-way proportional valve with digital control, also for use in potentially explosive atmospheres according to ATEX Directive 94/9/EC. Sentronic Digital stands for: Digital communication and control, direct operated valve and dynamic behaviour (high speed). A special feature of the Sentronic Digital is its DaS software supplied for optimum adjustment
  • Series 833-370 Servotronic Digital Proportional...
    ASCO Series 833-370 – Servotronic digital stands for: Digital communication and control, Direct operated valve, Dynamic behaviour (high speed). A special feature of the Servotronic digital is its DaS software supplied for optimum adjustment over PC and viewing of setpoint and feedback signals. Other functions are valve diagnostics, parameter setting and maintenance.
  • Series 833-380 Flowtronic D Proportional Valve...
    The Series 833-380 FLOWTRONIC-D flow controller is a high-performance solution designed for applications that require precise and dynamic flow control. It consists of a fast, direct-acting 2-port proportional valve and a control unit that contains all the necessary electronics and sensors. One of the key features of the FLOWTRONIC-D is its ability to respond quickly to changing conditions and adjust the flow rate accordingly. This is achieved through the use of digital control electronics and two sensors that measure the flow with high accuracy.
  • Series 833-390 Motorised Control Valve
    ASCO Series 833-390 motorised control valve has variable flow, proportional to the control signal. No minimum operating pressure required. Low pressure consumption. Wear-resistant ceramic control discs, insensitive to contamination and suitable for vacuum and overpressure applications. Mechanical separation of electrical actuator from fluid carrying parts.
  • Series 881 Power Save Connectors
    The ASCO Series 881 spade connectors are designed to fit standard three-pin moulded coils in sizes 22 and 30. These connectors are a convenient and reliable way to connect your coils to your control system, ensuring stable and accurate valve operation. The ASCO Series 881 connectors are available in three different versions to suit your specific needs. The standard rotatable model allows you to adjust the orientation of the connector, while the standard rotatable model with an integrated visual LED indicator and electrical protection provides added convenience and safety. The non-rotatable, 3-core moulded-in cable model is a more permanent solution that is ideal for fixed installations.
  • Series 881 Standard Connectors
    The ASCO Series 881 spade connectors are designed to fit standard three-pin moulded coils in sizes 22 and 30. These connectors are a convenient and reliable way to connect your coils to your control system, ensuring stable and accurate valve operation. The ASCO Series 881 connectors are available in three different versions to suit your specific needs. The standard rotatable model allows you to adjust the orientation of the connector, while the standard rotatable model with an integrated visual LED indicator and electrical protection provides added convenience and safety. The non-rotatable, 3-core moulded-in cable model is a more permanent solution that is ideal for fixed installations.
  • Series 908 Digital Control Unit For...
    ASCO series 908 is a specialized device designed to control proportional solenoid valves using analogue input control signals. It converts these signals into the appropriate coil current using pulse width modulation, ensuring precise and accurate valve operation. One of the convenient features of the ASCO series 908 is its LED display, which is integrated into the connector for easy access. The device also has adjustable UP/DOWN ramp control, allowing you to fine-tune the performance of your valve system. One of the key benefits is its ability to maintain consistent output coil current regardless of coil resistance (temperature) and supply voltage variations. This ensures stable and reliable valve operation, even in challenging environments.
  • Series ED02 Direct Acting Pressure Control Valve
    The AVENTICS Series ED02 direct-acting pressure regulator combines cutting-edge proportional technology with digital control circuitry to enable sensitive pressure regulation. The valve is extremely contaminant resistant thanks to its sturdy poppet valve technology, broad opening cross-section, and use of a soft-sealing valve seat. Features: – Qn = 120 l/min – Compressed air connection output G 1/8, 1/8 NPT – Electric. connection via signal connection – Signal connection input and output, Plug, M12, 5-pin
  • Series ED05 Direct Acting Pressure Regulator
    The AVENTICS ED05 direct-acting pressure regulator combines cutting-edge proportional technology with digital control circuitry to enable sensitive pressure regulation. The valve is extremely contaminant resistant thanks to its sturdy poppet valve technology, broad opening cross-section, and use of a soft-sealing valve seat. Features: – Qn = 1000 l/min – Compressed air connection output G 1/4 – Electr. connection Plug, ISO 15217, form C – Signal connection input and output, Plug, ISO 15217, form C
  • Series ED07 Dynamic Direct Acting Pressure...
    The AVENTICS Series ED07 Direct Acting Pressure Regulator is a pneumatic control valve that is designed to offer proportional pressurization and dynamic control for demanding applications. It uses a direct-acting design, which means that it responds directly to changes in the pressure of the system, allowing for fast and precise control. The exhaust valves are controlled separately, which allows for greater flexibility and accuracy in the regulation of the pressure. The Series ED07 pressure regulator may be suitable for use in a variety of industrial applications, and is likely available in different sizes, configurations, and pressure ratings to suit different needs. It may be made from high-quality materials to ensure durability and reliability, and may be resistant to contamination and wear.
  • Series 202 Posiflow Solenoid Valve
  • Series 202 Preciflow Proportional Valve
  • Series 203 Posiflow Proportional Valve
  • Series 209 Proportional Valves
  • Series 601 Sentronic Valves
  • Series 602 Proportional Valves
  • Series 603 Control D Control Device
  • Series ED12 Dynamic Direct Acting Pressure...
    The AVENTICS ED12 direct acting pressure regulator offers proportional pressurization and the exhaust valves are controlled seperately to deliver dynamic control for the most demanding applications.
  • Series 605 2-wire Proportional Valve
  • Series EV03 Pilot-Operated Proportional Control...
    Applications needing infrequent pressure adjustments are perfect for the AVENTICS Series EV03 pilot-operated proportional control valve. With pilot valves, it operates in accordance with the indirect control concept. Even if air escapes from the main valve in the event of a power outage and subsequent failure of the electrical control, mechanical pressure control is maintained by the pressure in the pilot volumes. The EV03 performs best in static situations with infrequent set point changes. The valve’s exceptionally low energy usage is a major characteristic. To reduce the amount of wiring, piping, and space needed, it can be put on AV03 or AV05 valve manifolds.
  • Series EV12 High Flow Proportional Control Valve
    The AVENTICS EV12 high flow proportional pressure control valve with its compact design hides its large flow capacity. It can be used as a stand-alone solution (high flow valve), as a battery for block assembly with consistently controlled pressure, or integrated into a maintenance unit.
  • Series 607 FlowtronicD Proportional Valves
  • Series EV18 High Flow Proportional Control Valve
    The AVENTICS EV18 high flow proportional pressure valves with digital control are highly efficient and ideal for pressure regulation requirements. It offers a small footprint and easy-to-use modular design. These high flow pressure regulators can be directly integrated on the Series AS air preparation unit, increasing efficiency with one compact and complete IIoT solution from one supplier, or they can be used as a standalone proportional pressure regulator with high flow capabilities.
  • Series 608 SentronicD Proportional Regulator
  • Series L194 General purpose solenoid valves
    ASCO Series L194 general purpose valves are designed to control water, air, inert gases, steam and non-aggressive fluids. These valves can be used for wide range of industrial applications. These valves are available in 2/2 or 3/2 normally closed, open or universal service versions plus proportional control and latching versions.
  • Series 609 SentronicD Proportional Regulator
  • Series 610 Motorised Control Valve
  • Series 833-354 Sentronic Valves
  • Series 614 SentronicPLUS High-Flow 3-Way...
  • Series 833-155 Profibus DP-Module
  • Series 615 Sentronic TWIN Proportional Control...
  • Series 833-150 Chopper Control Unit
  • Series 616 SentronicHD Pilot Operated...
  • Series 630 Piezotronic Valve
  • Series 617 Sentronic LP Low-Power Proportional...
  • Series 625 Proportional Pressure Control Valve
  • Series 623 Sentronic Proportional Control Valve

    The AVENTICS Sentronic Series 623 is a 3-way proportional pressure control valve that accurately adjusts pressure to control air, inert gases (max. 30 bar) and Oxygen (max. 10 bar). The Series 623 is specified and design to work perfectly in Laser- or Flame cutting application. Series 623 offers higher exhaust capacity for high dynamic control. A special feature of the Series 623 is its software supplied for optimum adjustment of proportional control behavior over PC and viewing of setpoint and feedback signals.


Proportional Valves Products

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