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Ok so I thought I understood how to adjust a packing nut but I'm questioning my self now.
What is the proper way to adjust a packing nut on a steam valve?
On my radiator valves I originally adjusted them so I felt resistance rocking the valve knob back and forth between open and close slightly. I did this with the valve almost completely open. Later on after thinking about it I went and closed the valves more, going probably 50% closed and noticed I felt no resistance. At this point I'm assuming this was due to corrosion or whatever on the valve stem and decided I should tighten the nuts until I feel resistance at the loosest spot and then open them fully. I've done this to all 10 radiators, but is it really the right way to do it?
Can the proper replacement packing for these old valves be bought?
Are there any places to buy the actual proper, new packing for the old steam valves or is our only resort to use packing rope? If packing rope is the only thing we can do, what is the best way to use it? I have a new package of it and have no idea what to do with it, I remember seeing a video where the guy rapped it around the valve stem some, but left the original packing in the nut. Seems kind of odd to me but what do I know.
Whats with the packing becoming loose on my king valves?
My 1 year old gate type king valves have been driving me nuts. The packing seems to become loose over time. I've noticed while the header is hot the valves feel tight but when its cold they feel loose again. Do I keep tightening!? I've finally hit a spot after well over a year where they feel ok cold and tight when hot. It seems odd being they were rated for 600PSI steam.
Look forward to all responses good and bad!
Single pipe quasi-vapor system. Typical operating pressure 0.14 - 0.43 oz. EcoSteam ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment