HON 590

HON 590

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HON 590 is a non-return gas valve for preventing gas reverse flow. It is used where air is mixed at higher pressure with fuel gas prior to combustion. It should also be fitted in the corresponding air line where there is a possibility of the pressure falling below that of the gas, to avoid explosive gas/air mixtures from being formed within the pipework.

Features include:

  • Easy installation, compact design

  • Mounting position: horizontal only

  • Easy to maintain – does not require any lubrication

  • Valve may be serviced on the spot

  • High flow rates

  • Absolutely tight against backward differential pressures

  • Suitable for natural, non-aggressive and manufactured gases; nitrogen, carbon dioxide and propane; and other gases upon enquiry

  • CE registration according to PED

  • Max. inlet pressure pmaxup to 7 bar

  • Max. admissible backward differential pressure: 7 bar

  • Pipe sizes: R 2", 3", DN 80, DN 100, DN 150

  • Temperature range: 20 to 60 °C

All mechanical components of this device are without potential ignition sources and/ or hot faces. They are not subject to ATEX 95 (94/9/EC). All electronic accessories, on the other hand, meet ATEX requirements.

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