Pressure controller
Pressure controllers precisely regulate the pressure of gases or liquids to preset values. They are essential for controlled laboratory processes and systems.
Product
Pressure controller
Pressure controllers precisely regulate the pressure of gases or liquids to preset values. They are essential for controlled laboratory processes and systems.
Suppliers
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Milian SA
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Guide and selection support
Pressure controllers are used in laboratories to maintain the pressure of gases or liquids at a constant value and to avoid fluctuations. Selecting the correct controller type depends on the medium, flow rate, and adjustable range. LabFinder assists you in orienting and searching for suitable pressure regulation products for your application.
Applications and Benefits
Pressure controllers are used to set and stabilize the pressure of gaseous or liquid media in the laboratory environment. They ensure the safe and precise supply of devices or reaction systems with a defined pressure, which is necessary for reproducible measurements or processes. Pressure controllers maintain a consistent pressure even as inlet conditions vary.
Selection Criteria
The essential selection criteria for a pressure controller are the type of medium (gas or liquid), the allowable pressure range, required accuracy, and desired flow rate. Other important aspects include the design, material compatibility with the medium, as well as connection and adjustment options. Operating conditions such as temperature and environmental influences also play a role.
Variants and Measurement Principles
Pressure controllers can be designed as integrated units with sensor elements, adjustment valve, and throttle within the housing, or as systems with separate pressure sensors and control units. Depending on the type, the pressure can be controlled mechanically or electronically. Common types include diaphragm-operated or spring-loaded controllers. The choice depends on requirements for precision and response time.
Calibration and Maintenance
Regular inspection and maintenance are necessary to ensure the functional safety and accuracy of pressure controllers. This includes checking for leaks, functional testing of the control mechanism, and, if necessary, calibration using approved reference devices. Defective or worn parts should be replaced promptly.
Application Limits
Pressure controllers may show limited functionality under extreme pressure or temperature conditions. They are not suitable for all media; in particular, specialized versions may be required for highly corrosive or high-purity gases. The load must not exceed the specified operating limits to prevent damage.
Search Terms and Related Terms
Synonyms and related terms include pressure reducer, pressure relief valve, pressure stabilizer, pressure valve, gas pressure controller, liquid pressure controller, control valve (pressure), and pressure adjuster. These keywords support targeted product searches and help distinguish related measuring devices.
Also known as
pressure regulator
pressure reducer
pressure relief valve
pressure stabilizer
gas pressure controller
liquid pressure controller
pressure valve
control valve pressure
pressure regulating valve
pressure adjuster
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Frequently asked questions
How does a pressure controller work in the laboratory?
A pressure controller keeps the pressure of a gas or liquid constant by using negative feedback to open or close a valve. This stabilizes the outlet pressure regardless of fluctuations in the inlet pressure.
What types of pressure controllers are available for laboratory applications?
Common types are diaphragm-operated and spring-loaded pressure controllers. They can be integrated units or made of separate components with sensors and valves, depending on the precision and medium required.
What should you consider when selecting a pressure controller?
Key factors include the medium (gas or liquid), pressure range, flow rate, material compatibility, connections, and operating conditions such as temperature. The form factor and adjustment options are also important.
How is a pressure controller maintained in the laboratory?
Maintenance involves regular leak tests, checking the control mechanism, and, if necessary, calibration with reference instruments. Worn or defective parts should be replaced promptly.
What are the limitations in the application of pressure controllers?
Pressure controllers have specified limits regarding pressure, temperature, and media compatibility. For corrosive or special gases, special materials or designs may be necessary.
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