Product Name: Self-Priming JET Pump M SERIES（http://esepump.bossgoo.com/group-Self-Priming-JET-Pump/Self-Priming-JET-Pump-M-SERIES-777271.html）

Model No: M 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 
MOTOR: 
The Pumps Are Coupled Directly To An Asynchronous, High Efficient SILVER ELEPHANT Induction Motor Of Suitable Size,
which Is Quiet Running, Closed And Extremely Ventilated, Suitable For Continuous Duty. Insulation Class B.
The thermal cutout relay (motor protector) is incorporated in single phase motors.
Three phase motors require an adequate external motor protector, with connections according to current standards.
INSULATION  Class B
PROTECTION  IP44
CONSTRUCTION AND SAFETY STANDARDS in compliance with IEC.