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#1
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Valve packing question
When repairing a valve's packing with string packing, how much should be
used? (e.g. for a washer shut off valve, enough to go once around the shaft, 3 times, etc.) Also are packing washers better than string packing? Thanks! |
#2
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I think the correct answer is "just enough to keep it from leaking"...
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#3
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Liz-
The "packing" is filling the space inside the packing nut, around the valve stem & above the washer that goes against the valve body. Try to visualize the amountof space & put it that amount of string. I using use "pre-formed" packing not string. If I do use "string" I use the teflon type. I using try to put too much in & the nut won't engage the thread; I cut off a little & try again. That way it's one continuous piece. I also "wind" it such that tightening the nut continues to wind it, not unwind it. cheers Bob |
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