High Precision Pressure Regulators: Reliable Control for High-Accuracy Applications

High Precision pressure regulators ensure output pressure stability and reliability, which is necessary in applications requiring very precise pressure control. These regulators are particularly used in high-precision applications such as laboratories, semiconductor manufacturing, and in the safe handling of critical gases. Whether for calibration, instrumentation, or gas supply systems, a high precision regulator provides the consistency your process demands.

They are available in different series, each designed to deliver the right performance level for specific processes. By guaranteeing constant outlet pressure, these regulators not only improve efficiency but also increase safety when handling critical or hazardous gases.

Go to the next section to discover our complete range of high-precision pressure regulators or contact our team for personalized advice based on your needs.

Pressure Regulators

Specialty Gas Pressure regulators

  • High pressure regulator
    Single stage
    Diaphragm tech. + Cartridge
  • High pressure regulator
    Single stage
    Diaphragm technology
  • High pressure regulator
    Single stage
    Piston technology
  • High pressure regulator
    Single stage
    Diaphragm technology + BV
  • Low pressure regulator
    Single stage
    25 bar Inlet pressure
  • Very high flow pressure regulator
    Single stage
    Diaphragm technology
  • High pressure regulator
    Dual stage
    Diaphragm tech. + Cartridge
  • High pressure regulator
    Dual stage
    Piston/Bellow technology
  • High pressure regulator
    Dual stage
    Piston/Diaphragm technology
  • Low pressure regulator
    Single stage
    Diaphragm technology + BV
  • High flow low pressure regulator
    Single stage
    Diaphragm technology + BV
  • High pressure regulator
    Single stage
    Diaphragm tech. + Cartridge
  • Low pressure regulator
    Single stage
    Bellow technology
  • Low pressure regulator
    Single stage
    Diaphragm technology
  • Low pressure regulator
    Single stage
    Diaphragm technology
  • Low pressure regulator
    Single stage
    Diaphragm technology + BV

Specialty Gas Point of use

  • Point of use
    Bellow technology
  • Point of use
    Modular
    Bellow technology
  • Point of use
    Integrated
    Diaphragm technology
  • Point of use
    Integrated
    Bellow technology

Flow regulators

  • Constant flow regulator
    10 positions flow selector
    Piston technology

Ultra high purity pressure regulators

  • HP & UHP regulator
    Cv 0.09, 0.15
    Free diaphragm
  • Single stage diaphragm
    Cv 0.09, 0.15
    Inlet 21/240 bar
  • Sub-atmospheric
    Cv 0.09
    Inlet 21 bar
  • Single stage tied-diaphragm
    Cv 0.09, 0.15
    Inlet 21/240 bar
  • Single stage diaphragm
    Cv 0.15, 0.25, 0.5, 0.9, 1.1
    Inlet 21/117/207/240 bar
  • Sub-atmospheric regulator
    Cv 0.5
    Inlet 21 bar
  • Single stage tied-diaphragm
    Cv 0.15, 0.25, 0.5, 0.9, 1.1
    Inlet 21/117/207/240 bar

What is a high precision pressure regulator?

A high precision pressure regulator is used to reduce the inlet pressure of a cylinder to a desired outlet pressure that must be very stable and accurate. Unlike standard regulators, these industrial pressure regulation solutions are engineered to deliver exact performance in sensitive systems. A precision pressure regulator offers specific advantages:

  • High accuracy: it provides a constant outlet pressure, even when the inlet pressure varies.
  • Stability: the flow is very stable, which guarantees proper operation and better performance.
  • Precise adjustment: The outlet pressure can be adjusted to very precise points.
  • Long-term reliability: Even after several years of use, the pressure regulator continues to provide the same level of excellence.

Available in different models and series, with various connectors and materials, precision regulators are built to match demanding applications.

What is a high precision pressure regulator?
For which applications is high-precision pressure control essential?

For which applications is high-precision pressure control essential?

In many high-tech industries, process performance is linked to the stability of the outlet pressure. Even a small fluctuation can cause errors or disrupt production. That’s why precision regulators are designed to deliver exact and reliable performance where it matters most:

  • Semiconductor manufacturing → processes such as etching, deposition, or cleaning rely on extremely stable gas delivery. Even a slight variation in pressure can affect wafer quality, yield, and overall process efficiency. Precise handling of process gases is therefore essential.
  • Laboratories → analytical instruments and calibration systems demand a constant and accurate gas supply. Pressure instability leads to measuring errors, reduced repeatability, and wasted samples. A precision regulator safeguards every critical function in these sensitive environments.
  • Automation & Instrumentation → precise regulators ensure smooth actuator response, reliable pneumatic control, and consistent test conditions. This level of stability is key to protecting sensitive equipment and guaranteeing repeatable performance.

How to select the right precision pressure regulator?

When you need to choose a regulator for high-accuracy applications, several selection criteria will guide the decision. The right choice depends not only on technical parameters but also on how directly the regulator integrates into your system.

  • Regulator technology – Choose between a single-stage or dual stage design depending on the stability required.
  • Pressure range – Match the regulator’s control range to your system requirements for stable operation.
  • Flow capacity – verify that the regulator can deliver the required flow without instability or droop.
  • Outlet pressure – Define the controlled delivery pressure range required for your application.
  • Material – Options include chrome-plated brass for general use or stainless steel for high-purity and corrosive gases.
  • Connection - Confirm inlet and outlet fittings are compatible for a direct and secure installation.
  • Accuracy – Define the tolerance needed for your process and select a regulator with matching precision.

With the right selection criteria, you can ensure reliable performance and maximize process efficiency. To take the next step, request a quotation today and find the precision regulator model that best fits your application.

How to select the right precision pressure regulator?
Frequently Asked Questions about High Precision Pressure Regulators
What is a precision pressure regulator?

A precision pressure regulator is a device that reduces inlet pressure from a gas source (cylinder or pipeline) to a very stable and accurate outlet pressure. It is specially designed for high-accuracy pressure regulation in sensitive industrial applications.

In which industries are high precision pressure regulators used?

They are widely used in semiconductor manufacturing (etching, deposition, cleaning gases), laboratories (analytical instruments, calibration systems), and automation & instrumentation (pneumatic actuators, test setups). In all these cases, precise pressure regulation ensures performance, repeatability, and system safety.

What are the key features of a precision pressure regulator?
  • High accuracy with constant outlet pressure
  • Stability of flow under varying conditions
  • Precise adjustment to exact setpoints
  • Long-term reliability, even after years of operation
  • Availability in different models, series, materials, and connectors
What types of gases can be used with precision regulators?

Precision regulators are designed for a wide range of gases, including inert gases (N₂, Ar, He), process gases for semiconductors, calibration gases in labs, and other critical industrial gases. The choice of material and connectors ensures compatibility with each medium.

Do precision regulators improve safety?

Yes. By guaranteeing stable outlet pressure and preventing sudden fluctuations, precision regulators enhance safety in systems handling hazardous or high-pressure gases. They are designed to protect both equipment and operators.

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