Wilo STN range
Hydraulics
Hydraulic system with axial suction ports, radial discharge ports and bearing brackets as a single unit. The connections are configured as flange connections.
Seal
Bearing bracket with sealing and leakage chamber for admission of fluid ingress via the seal. Fluid-side seal via a bidirectional mechanical seal, motor-side seal as a rotary shaft seal. The sealing chamber is filled with medical white oil, the leakage chamber is shut up to the motor. Optionally, the sealing chamber can be monitored with an external pencil electrode.
Motor
IEC standard motor in B5 design as three-phase motor with motor efficiency class IE3.

PVC solvent weld 90? elbow 63mm
Borehole casings - 6m Perforated PVC 110mm class 9
Compression fitting 16mmX1/2Inch Male Elbow 90°
20X40mm-Reducing bush - upvc solvent weld / glued
Compfit 16mmX 1/2Inch Male tee 

