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Old thermostatic valve

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Steve_210
Steve_210 Member Posts: 664
in Strictly Steam

In the natural history museum yesterday this is what I’m taking pictures of

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  • Steamhead
    Steamhead Member Posts: 18,319
    Don't recognize the brand, but this valve is pneumatically operated. The little pipe comes from an air compressor somewhere in the building.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
    mattmia2
  • Steve_210
    Steve_210 Member Posts: 664
    Yeah, don’t know if it’s still an operation. Danfos TRV right beside it on another one.

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