Hoffman No.2A vacuum steam vents

Rich Jones

Have a customer that needs to replace 6 Hoffman No.2A vacuum adjustable steam vents. According to our suppliers and the Hoffman web site they are no longer available. Does anyone know what available vent can be used for replacements?

Thanks

Steamhead (in transit)

Use the 1A

or something similar. Vacuum never worked well on oil or gas, because there was usually still some air in the system when the burner shut off. This air would expand under vacuum, blocking steam flow.

Vent the steam mains properly too. If we can't use vacuum, we can at least distribute the steam on a couple ounces pressure. Measure the length and diameter of each steam main and we can tell you what you need.

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