... condition, the pump can be divided into standard pump (PCN), liquid gas pump (PNQ), high-temperature pump (PKG), common standard pump (PDC). ... toxic, flammable, explosive, expensive and volatile mediums and widely used in the fields of chemical industry, petrochemical industry, water ... , PDC) 25-200APCN, PNQ, PKG, PDC-Pump Series Code25-Pump Outlet Diameter200-Blade DiameterA-The First Cutting of the ...