Back pull-out to reduce maintenance down time;Standard Type 21 mechanical seal for both reliability and availability;Carbon/ceramic/BUNA standard, with other faces and elastomers available;Replaceable wearing components include stainless steel shaft sleeve and casing and hub wear rings to maintain peak efficiency;Enclosed impeller design, dynamic balancing and renewable wear rings reduce losses affecting performance and pump life;Rigid cast iron motor adapter provides support and registered fits maintain positive unit alignment