HON 850 Variflo

HON 850 Variflo

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HON 850 Variflo™ enables highly safe and accurate gas transmission and distribution of natural, non-aggressive gases such as nitrogen, carbon dioxide and propane, and other gases on request. Ideal for offtake stations, power plants and industrial facilities, it can operate under a wide range of pressure conditions.  

Features include: 

  • Wide range of operating pressures

  • High regulating accuracy

  • Diaphragm valve/grid plate design with reduced flow options available

  • Few parts, easy to maintain, quiet operation

  • Pilot options include HON 630, HON 640a and S600

  • Optional relief valve version using RMG 642 pilot

  • 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 pu max100 bar

  • Min. inlet pressure pu min3 bar

  • Outlet pressure range Wd0.15 bar to 40 bar

  • Minimum pressure drop: 0.5 bar

  • Class of lock-up pressure zone: SZ 2.5

  • Max. differential pressure

    • Class 150: 19 bar

    • Class 300: 50 bar

    • Class 600: 70 bar

  • Temperature range: 20 to 60 °C

  • Pipe sizes: DN 50, DN 80, DN 100

  • Connection (optional): DIN flange according to PN 16, Class (ANSI) 150, Class (ANSI) 300, Class (ANSI) 600

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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