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MSS SP-120-2011

M00001774

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MSS SP-120-2011 Flexible Graphite Packing System for Rising Stem Steel Valves - Design Requirements

standard by Manufacturers Standardization Society, 10/01/2011

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This Standard Practice establishesmaterial and dimensional requirements forvalve packing, packing chamber, packinggland, packing washer, bonnet, and the stem,as they relate to the total packing assembly.