Product Name: DEEP WELL AUTOMATIC PUMPS(http://esepump.bossgoo.com/group-Self-Priming-JET-Pump/DEEP-WELL-AUTOMATIC-PUMPS-777371.html)

Model No: AUDP SERIES
STRUCTURAL CHARACTERISTICS 
 
PUMP BODY  Cast iron
FRONT COVER Cast iron
EJECTOR UNIT Techno Polymer (approved For Drinking Water)
IMPELLER Centrifugal Radial Flow In Brass Or Technopolymer (approved For Drinking Water)on Request.
MECHANICAL SEAL Ceramic and graphite 

These pumps are suitable for pumping clean water and chemically non-aggressive fluid. They are extremely reliable, economical and simple to use, finding many uses in domestic applications and the automatic distribution of water from small and medium-size surge tanks, for watering gardens etc. It is always advisable to install a foot valve or a retention valve on the suction opening.