High-Purity Dual-Source Single-Stage Manual Manifold - Process Gas Purging System

High-Purity Dual-Source Single-Stage Manual Manifold - Process Gas Purging System

DruvaPUR 20 m3 SeriesDruva®

The DruvaPUR 20 m3 Series Low Flow high-purity dual-source single-stage manual manifold - process gas purging system is used in gas supply systems for pure, inert, flammable, and oxidising gases and gas mixtures up to a maximum gas purity of 6.0. It is not usable for corrosive and/or toxic gases.

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High-Purity Dual-Source Single-Stage Manual Manifold - Process Gas Purging SystemIntroduction

The Druva high-purity single-stage manifold with a process gas purging system is engineered for critical applications. It enables seamless gas source switching and enhanced safety with a leak-proof diaphragm and built-in relief valves. Its compact design and purging system ensure system cleanliness and pressure control, making this gas manifold system perfect for pure, inert, and oxidising gases in demanding environments that require high safety standards.

High-Purity Dual-Source Single-Stage Manual Manifold - Process Gas Purging SystemFeatures

  • Manual valve actuation allows for seamless switching between two gas sources with ease.
  • Features Hastelloy/Elgiloy diaphragm tightening system in the regulator and valves to provide a leak-proof seal to the atmosphere.
  • Compact design ensures efficient use of space, ideal for installations in limited areas.
  • Delivers excellent pressure adjustment for precise and consistent pressure control during operation.
  • Includes a built-in relief valve on the delivery pressure side for added safety and pressure control.
  • Purge valve for efficient process gas purging, ensuring system cleanliness and safety.
  • Available with shut-off and safety valves at the outlet and check valve at the inlet.
  • Valves are designed and approved in accordance with the relevant sections of EN ISO 10297:2015, including O2 ignition tests for the main valve, ensuring safety and reliability in critical applications.
  • Regulator conforms to ISO 7291, including O2 ignition tests, meeting high safety standards.
  • Electrostatic chargeability test
    • Meets the requirements of DIN EN ISO 80079-36, IEC TS 60079-32-1 and German TRGS 727.
    • Usable in EX-areas (Zones 1 and 2) with gases in explosion risk groups I, IIA, IIB, and IIC.
  • Split manifold plates
    • Separate ground plate mounting for simplified installation and improved stability.
    • Manifold attaches to the ground plate with just one screw for a fast, hassle-free setup.
  • Front plate cutout allows for simple in-field gauge replacement.

High-Purity Dual-Source Single-Stage Manual Manifold - Process Gas Purging SystemGeneral properties

General properties

Product LinedruvaPUR - High Purity
Purity Grade6.0 (99.9999%)
Gas Propertiespure, inert, flammable, oxidizing
Material (main body)Brass chrome plated, Stainless steel
Regulation TypeSingle stage
ApplicationsLaser and Plasma cutting, Industry, Automotive, Petrochemical, Semi conductor
Manifold TypeTwo sources - manual change over
Material brackletStainless steel
Flow Nominal20m3/h (N2) according to ISO 7291 at 20 bar outlet pressure and 41 bar inlet pressure
Pressure rates manifold
Maximum Inlet Pressure (bar/psi)300 (4351)
Delivery Pressure Range (bar/psi)3, 6, 10, 14, 28, 50, 100, 200 (43.5, 87, 145, 203, 406, 725, 1450, 2900)
Working temperature-20°C to +60°C

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