- External pump case, delivery head, suction port, shaft in stainless steel.
- X251-X351-X501 with impellers and stages in stainless steel, diffusers in special technopolymer.
- 800-1000 with impellers and diffusers in special technopolymer, stages in stainless steel.
- The check valve made of stainless steel is installed inside the delivery head.
- Motor coupling meets NEMA standards.