High-Purity Single-Stage Low-Pressure Point of Use

High-Purity Single-Stage Low-Pressure Point of Use

DruvaPUR 20 m³ SeriesDruva®

The DruvaPUR 20 m³ Series high-purity single-stage low-pressure point of use is designed for supply systems to handle inert, flammable, and oxidising gases and gas mixtures up to purity 6.0. It cannot be used for corrosive and/or toxic gases and their mixtures.

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High-Purity Single-Stage Low-Pressure Point of UseIntroduction

The Druva high-purity low-pressure point of use delivers precise, stable pressure control for sensitive applications. It is equipped with a four-port pressure regulator, back pressure gauge, diaphragm shut-off valve, and optional check valve and relief valve for reliable and safe performance. Its compact design makes installation hassle-free in limited spaces. With accurate pressure adjustment, this high-purity single-stage gas outlet is suitable for demanding laboratory and automobile manufacturing sectors.

High-Purity Single-Stage Low-Pressure Point of UseFeatures

  • Includes pre-shut-off valve, pressure reducer, back pressure gauge, mounting plate; optional check valve and/or relief valve.
  • Four-port pressure regulator features a durable stainless steel diaphragm for precise control.
  • Diaphragm shut-off valve with 90° closing function at the point-of-use inlet for reliable shut-off.
  • Compact design makes it space-saving and easy to install in tight spaces.
  • Accurate pressure adjustment ensures precise and stable pressure control for optimal performance.
  • Safety pressure gauge (conforms to EN 837-1 standards) in the downstream pressure area for safety monitoring.
  • Electrostatic charge-free makes it safe for use in EX Zones 1 and 2.

For technical data please refer to the attached data sheet.

High-Purity Single-Stage Low-Pressure Point of UseGeneral properties

General properties

Product LinedruvaPUR - High Purity
Purity Grade6.0 (99.9999%)
Material (main body)Nickel-plated and chrome-plated brass
Gas PropertiesPure, inert, flammable, oxidizing
Regulation TypeSingle stage
ApplicationsAnalytical laboratories, Automotive
Inlet pressure (Bar / PSI)max. 12 / 174.04
Nominal flow3 Nm3/h (N2) according to ISO 7291 at 2 bar outlet pressure, 3 Nm3/h (N2) according to ISO 7291 at 29 PSI outlet pressure
Material pressure reducer and valve diaphragmHastelloy
Material pressure reducer sealPVDF
Material pressure reducer seatPPLLVFT-Version: FKM, PPLLEFT-Version: EPDM
Material pressure reducer and valve poppetBrass
Material option relief valve seatPPLLVFT-Version: FKM, PPLLEFT-Version: EPDM
FilterRegulator: Stainless Steel, Check valve: Sinter Bronze
Option check valve seatBrass / Ceramics
Material mounting plateAluminium
Process inlet connectionNPT ¼“ female thread or adapter with double compression fitting
Process outlet connectionNPT ¼“ female thread or adapter with double compression fitting | hose nozzle
Option outlet relief valveNPT ¼“ female thread or adapter with double compression fitting
Pressure gauge scale ranges (in parentheses assignment to outlet pressure)1.5 bar (1 bar) | 5 bar (2 bar), 21.75 PSI (14.5 PSI) | 72.5 PSI (29 PSI)
Optional opening pressure relief valve1.5 bar (1 bar) | 3.1 bar (2 bar), 21.75 PSI (14.5 PSI) | 50 PSI (29 PSI)
Operating temperature-20 °C to +60 °C

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