HON 873

HON 873

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HON 873 is a direct-acting safety relief valve (SRV) according to DIN 33821. It is ideal for deployment at transmission and offtake stations as well as distribution networks for power plants and industrial facilities.​​​​​

Features include:

  • Function Class B

  • With proportional opening characteristic

  • Small proportional range

  • Easy maintenance

  • Also applicable as thermal relief valve

  • Suitable for non-aggressive gases, other gases on enquiry

  • CE registration according to PED

  • Structural test according to TÜV

  • Max. admissible pressure PS: 100 bar

  • Max. operating pressure pmaxup to 100 bar

  • Outlet pressure range Wd10 bar to 100 bar

  • Valve seat Ø: 24 mm

  • Smallest flow diameter: 8 mm

  • Connection

    • Pipe connections according to DIN EN ISO 8434-1 (DIN 2353) for pipe sizes 

    • Inlet: 12 mm 

    • Outlet: 20 mm, 25 mm

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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HON 873HON 873 is a direct-acting safety relief valve (SRV) according to DIN 33821Brochure1 Sep 2016
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