Pressure regulators – Precise pressure control for gases and hydraulic fluids
Reliable pressure control is at the heart of safe and efficient processes – in industry, in the laboratory, in energy supply and far beyond.
With us you will find high-quality pressure regulators for all common gases and hydraulic fluids: tailor-made, precise and technically sophisticated for demanding applications.
Whether pressure reducer , back pressure regulator or upstream pressure regulator – we advise you individually and deliver the optimal solution for your specific requirements.
Pressure regulators: Function and importance in process engineering
A pressure regulator is a control valve that automatically regulates and maintains the pressure of a medium – be it a gas or a liquid – at a defined setpoint. It compensates for fluctuations in the inlet or outlet pressure, thus ensuring stable, reproducible process conditions.
Pressure regulators are used wherever pressure stability is crucial:
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Industry & Mechanical Engineering: Control of process pressures in production plants
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Laboratories & Analytics: Precise gas supply for analytical instruments and test benches
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Energy & Supply: Pressure regulation in gas and supply networks
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Pharmaceuticals & Food: Hygienic pressure control in regulated processes
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Hydraulics & Pneumatics: Pressure control in hydraulic systems and drives
Our pressure regulators at a glance
Pressure reducer
A pressure reducer (also called a pressure reducing valve or pressure reducing valve) reduces the inlet pressure to a lower, constant outlet pressure – regardless of fluctuations on the inlet side or changes in the flow rate.
Typical applications:
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Supply of measuring instruments and analyzers with constant gas pressure
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Pressure reduction in piping systems
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Protection of pressure-sensitive components and devices
Characteristics:
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High control accuracy even with fluctuating input pressures
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Available for all common gases (inert gases, reactive gases, compressed air, etc.)
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Versions for hydraulic fluids available on request.
Back pressure regulator
A backpressure regulator maintains a constant pressure on the inlet side (upstream) by controlled discharge of excess medium. Unlike a pressure reducer, it does not regulate the outlet pressure, but rather the inlet pressure – thus acting as a pressure-holding valve.
Typical applications:
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Maintaining a constant system pressure in reactors and containers
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Pressure control in chromatography and extraction processes
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Protecting sensitive processes from pressure drops.
Characteristics:
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Precise adjustment of the holding pressure
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Suitable for aggressive, corrosive and high-purity media
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Individual material selection depending on the medium and requirements
Pre-pressure regulator
A pressure regulator (also called an inlet pressure regulator) stabilizes the pressure upstream of a downstream system or device. It ensures that the inlet pressure for subsequent components remains within a defined range – regardless of pressure fluctuations in the supply line.
Typical applications:
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Upstream of sensitive measuring instruments and dosing valves
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Stabilizing supply pressure in complex pipeline networks
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Application in process automation and control technology
Characteristics:
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High switching accuracy and repeatability
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Robust construction for continuous industrial use
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Available in various nominal diameters and pressure ranges
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Inert gases
Nitrogen (N₂), Argon (Ar), Helium (He) ...
Reactive gases
Hydrogen (H₂), Oxygen (O₂), Chlorine (Cl₂)
Fuel gases
Natural gas, propane, butane
Hydraulic fluids
Mineral oils, emulsions, water-glycol mixtures, synthetic fluids
Compressed air
Technical compressed air, clean air
Special gases
High-purity gases, test gases, calibration gases
Request your suitable solution now.
Contact us – we will be happy to advise you, create a customized offer and support you from the first meeting to ongoing operation.