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Valve Live Loading Using
Solon® Belleville Springs

Industry sealing experts have determined that 60% of all fugitive emissions are caused by valve leaks, and estimated that 75% of those leaks are from the stem. Valve live loading, or the application of Belleville springs or flange washers to the gland follower of a packed valve is an effective way of reducing the loss of packing stress. 

This paper will discuss how to determine if your valve application is a candidate for live loading, best practice suggestions for material selection and stacking arrangements, as well as a complimentary risk analysis which is used to make recommendations for a valve live loading stack.  



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Founded in 1949, Solon Manufacturing Company is a global leader in the design and manufacture of Belleville springs, washers, industrial pressure switch products, and SF6 gas density monitoring equipment to industries in over forty countries. 

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Solon Manufacturing Co.
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Chardon, OH 44024

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