Resolution Air Proportional Pinch Valves



 

Proportional Pinch Valves for Precision, Sanitary Fluid Control

Achieve accurate, repeatable, and contamination-free fluid metering in bioprocessing, and laboratory systems.

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How Proportional Pinch Valves Enable Precise Fluid Control

Proportional pinch valves regulate fluid flow by compressing flexible tubing rather than contacting the fluid directly. This design enables precise, continuous control of flow rates while maintaining a fully isolated, contamination-free fluid path.
Unlike traditional on/off valves, proportional pinch valves allow engineers to achieve accurate dosing, repeatable performance, and reliable integration into automated systems.

How this approach works in practice

  • Mechanical compression of tubing controls flow without fluid contact
  • Continuous adjustment enables precise and repeatable flow rates
  • Isolation of the fluid path eliminates contamination risk

Challenges with Traditional Fluid Control Approaches

  • Mechanical compression of tubing controls flow without fluid contact
  • Continuous adjustment enables precise and repeatable flow rates
  • Isolation of the fluid path eliminates contamination risk

A More Effective Approach to Fluid Metering

Proportional pinch valve technology enables precise fluid metering while keeping the process fluid fully contained within tubing. This approach improves system reliability, supports sanitary operation, and allows for accurate, repeatable control in demanding applications.

Proportional Pinch Valve Solutions

Select the appropriate valve based on your system requirements, including flow range, tubing size, and control precision.

M Series Miniature Proportional Pinch Valves

Compact valves designed for low-flow, high-precision applications. Ideal for laboratory systems, and applications requiring fine control in a small footprint.

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H Series Hybrid Proportional Pinch Valves

Higher force valves designed for larger tubing sizes and more demanding applications requiring increased flow capacity.

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Drivers & Controllers

Controllers designed to integrate proportional pinch valves into automated systems, enabling precise control through standard input signals.

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Determine the Right Valve for Your Application

Selecting the correct proportional pinch valve depends on your application requirements, including flow characteristics, tubing selection, and control strategy. You can explore your options or work with our team to identify the best solution.

If you prefer to validate performance directly, evaluation kits are available for testing in your system.

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Applications for Precision Fluid Metering and Control

  • Fluid metering systems
  • Chemical dosing and dispensing
  • Bioprocessing fluid control
  • Laboratory diagnostics and automation

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Used in Critical Fluid Control Applications Across Industries

  • Bioprocessing
  • Pharmaceutical manufacturing
  • Equipment manufacturing
  • Laboratory and analytical systems

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Understanding Valve Selection and Performance Differences

Proportional pinch valves offer advantages over traditional solenoid pinch valves, including continuous flow control, improved precision, and better repeatability. Selecting between valve types and configurations depends on application-specific requirements such as flow control accuracy, system integration, and operating conditions.

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Engineering Resources for Fluid Control System Design

  • What is a pinch valve
  • How pinch valves work
  • When to use a proportional pinch valve
  • Designing sanitary fluid control systems

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A Reliable Partner for Fluid Control System Design

Resolution Air designs and manufactures proportional pinch valves for applications requiring precise, sanitary fluid control. In addition to providing high-performance valve solutions, we support engineering teams with application guidance to ensure successful system integration.

  • Precise and repeatable flow control
  • Non-contact fluid handling for contamination prevention
  • Designed for integration into automated systems
  • Direct technical support for application-specific needs

Start Your Application Discussion

If you are ready to move forward or need help selecting the right valve, our team can support your application and provide recommendations based on your requirements.

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