Flowserve Corp. has introduced the Flowserve QBQ LZ contacting-face mechanical seal, featuring Precision Face Topography and its patented wavy face seal design. Optimized for service with light hydrocarbons of specific gravity between 0.40 and 0.60, the seal is designed for use in refineries and the general hydrocarbon processing industry pumping ethane, ethylene, propane, propylene, butane and other related liquids.
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