Mechanical Seal (700)

The QBQ LZ contacting-face mechanical seal features Precision Face Topography and a patented wavy face seal design. It provides reliable sealing with low emissions and for pumps in light hydrocarbon service at low vapor pressure margins. Optimized for service with light hydrocarbons of specific gravity between 0.40 and 0.60, it is designed for use in refineries and the general hydrocarbon processing industry pumping ethane, ethylene, propane, propylene, butane and other related liquids.