delivery door and suction support: in copper alloy
shaft: aisi 431
coupling: aisi 304
pump body: aisi 304
check valve: plastic (pom)
impeller: high intensity plastic-ppo
diffuser: high intensity plastic-pom with inserts of stainless steel in the middle
bearing: wear resistant rubber
bolts and nuts: aisi 304
flang matching the motor is in accordance with the standard of nema-1-18-388
3" motor: about the technical characteristic, please see the catalogue of submersible motor
* pump head and base can be made of cast iron, copper, 304ss or 316l ss.