... inline multistage fire-fighting pump 2 Energy saving, easy for installation 3 Can be used as jockey pump... XBD-DL vertical ... ,power plants,LPG,textile,shipping and oil tanks,or for spare use in enterprises,and domestic water supply Technology ... , With tube-type structure, easy for installation, Electro-mechanically integrated design, Space efficient, Easy for service just by disassembling the nut ...