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2 pipe steam with dan fauce valves
Bigjames
Posts: 1Member
The side of the house that the plumber put the dan fauce valves in will not pass steam. The dan fauce valves are a foot from the radiator. Are they in the proper spot? Original valves were manual and there were no issues then.
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Please post pics with closeup and general overview shots.
NEW: SlantFin Intrepid TR-30 + Tankless + Riello 40-F5 @ 0.85gph | OLD: Fitzgibbons 402 boiler + Beckett "SR" Oil Gun @ 1.75gph
installed: 0-20oz/si gauge | vaporstat | hour-meter | gortons on all rads | 1pc G#2 + 1pc G#1 on each of 2 mains
Connected EDR load: 371 sf venting load: 2.95cfm vent capacity: 4.62cfm
my NEW system pics | my OLD system pics
What size and type are the valves, and why are they there? Valves on steam lines must be full port types, and certainly not globes, unless they are right at the radiator.
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.
Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
2-pipe system can support tiny orifice. But I'm curious as to whether they are TRV or something else.
NEW: SlantFin Intrepid TR-30 + Tankless + Riello 40-F5 @ 0.85gph | OLD: Fitzgibbons 402 boiler + Beckett "SR" Oil Gun @ 1.75gph
installed: 0-20oz/si gauge | vaporstat | hour-meter | gortons on all rads | 1pc G#2 + 1pc G#1 on each of 2 mains
Connected EDR load: 371 sf venting load: 2.95cfm vent capacity: 4.62cfm
my NEW system pics | my OLD system pics
provided it's at, or very near, the radiator. In a main or riser a reduced port valve can cause a problem (a lot of condensation just beyond it, when the steam tries to expand again).
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.
Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
Did the installer do something silly like order a version of the valve that puts the thermostatic element in one of the wrong positions pointed out in the attached piece of Danfoss literature?