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.

Coupling 110mm
Franklin SVM 70/37
Male adapters 20 x25mm
Franklin FSM 0.55 400v
Female tee 20 x 20mm
KSB Etanorm 050-032-160.1
Lorentz PS2-1800 C-SJ1-25 solar borehole pump
Tsurumi KTZ 2-2,2-50 525V
Lorentz PS2-150 C-SJ5-8 solar borehole pump
Electromote 2.2kW Cast Iron Three Phase IE1 Motor Class H Insulation IP66 2-pole Foot mount
15mm-Plastic ball float valve
15mm Single union ball valve-Threaded 

