High-Purity Dual-Source Dual-Stage Semiautomatic Manifold - External Gas Purging System

High-Purity Dual-Source Dual-Stage Semiautomatic Manifold - External Gas Purging System

DruvaPUR 20 m3 SeriesDruva®

The DruvaPUR 20 m3 Series Low Flow high-purity dual-source dual-stage semiautomatic manifold - external gas purging system is used in gas supply systems for pure, inert, flammable, oxidising, corrosive, and toxic gases and gas mixtures up to a maximum gas purity of 6.0.

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High-Purity Dual-Source Dual-Stage Semiautomatic Manifold - External Gas Purging SystemIntroduction

For high-purity gas systems requiring external gas purging, the Druva dual-stage semiautomatic manifold provides unmatched safety and performance. It allows for easy switching between two gas sources while ensuring precise pressure control and safe operation. Designed for pure, inert, and flammable gases, this high-purity gas manifold includes key features like built-in relief valves and leak-proof sealing. Ideal for critical, hazardous environments, it meets necessary electrostatic chargeability and safety standards for use in explosive areas.

High-Purity Dual-Source Dual-Stage Semiautomatic Manifold - External Gas Purging SystemFeatures

  • Semi-automatic changeover system ensures smooth and reliable switching between two gas sources.
  • 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.
  • 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 to ensure safety and reliability in critical applications.
  • Regulator conforms to ISO 7291, 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 Dual-Stage Semiautomatic Manifold - External Gas Purging SystemGeneral properties

General properties

Product LinedruvaPUR - High Purity
Purity Grade6.0 (99.9999%)
Gas Propertiespure, inert, flammable, oxidizing, corrosive, toxic
Material (main body)Stainless steel
Regulation TypeDual stage / Two stage
ApplicationsLaser and Plasma cutting, Industry, Automotive, Petrochemical, Semi conductor
Manifold TypeTwo sources - Semiautomatic change over
Flow Nominal20 m3/h (N2) according to ISO 7291 at 20 bar outlet pressure and 41 bar inlet pressure
Material bracketStainless steel
Pressure rates manifold
Maximum Inlet Pressure (bar/psi)300 (4351)
Delivery Pressure Range (bar/psi)2, 3, 6, 10, 14 (29, 43.5, 87, 145, 203)
Working temperature-20°C to +60°C

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