Posted by Harold Kestenholz - Hydronic Network on September 25, 2000 at 08:59:55:
In Reply to: Burnham Oil Fired Steam posted by Rich on September 23, 2000 at 06:08:45:
The steam boiler is ordinarily a pressure vessel, so it should not be made tight with a part that might permit high pressure to build up and then pop that repair off. The pressure should be less than 2 psig in the boiler. Temporarily placing a piece of metal over the hole with hi-temp silicone sealing it, then placing some fire mortar and a 2-pound weight on top will stop steam loss. But it is a situation violating the spirit of the ASME vessel recomendations.
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