国产一级片观看_欧美极品xxx_五月婷中文_91多人xxx少妇_千金与奴隶在线观看_神马午夜不卡片

The Sh ( S ) series is single-stage double-suction axially-split centrifugal pump designed for conveying clean water or similar liquids whose physicochemical property is similar to that of clean water at temperature below 80℃. The pumps include type A structure (ball bearing) or type B structure (sliding bearing).

Type A structure pump with cooling pipe can be used for pumping hot water below 110℃. The muddy water containing silt and sewage without long fibers can be transported if the materials of impeller, seal and shaft sleeve are changed. The shaft seals adopt generally soft gland packing. It can be fitted mechanical seals to meet the special requirements.