HON 680R

HON 680R

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HON 680R is a spring-loaded, diaphragm-operated twin-valved safety relief valve. It is ideal for deployment at offtake stations in gas transmission, landfill applications, and commercial and industrial facilities. It is particularly useful for protecting pipework and pressure vessels from excessive pressure. ​​​

Features include:

  • Balanced twin-valve construction

  • Very high flow rates

  • High actuating accuracy

  • Reduced bore valves available

  • 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 pmax0.5 bar

  • Relief pressure range Wd0.015 to 0.35 bar

  • Pipe sizes: DN 50, DN 80, DN 100, DN 150, DN 200

  • Temperature range: 20 to 60 °C

All mechanical components of this device are without ignition sources. As such, they are not subject to ATEX 95 (94/9/EC). All electrical components used with this device meet the ATEX requirements.

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