Wear Resistant Submersible Drainage Pumps for Clear Water and Drainage Water – H119/H121
Fully submersible, compact integrated motor-pump unit consisting of:
- Pump: Single stage centrifugal pump with horizontal discharge.
- Impeller: Open multi-channel impeller, spherical clearance 10 mm. The distance between impeller and casing can be readjusted to maintain maximum performance.
- Motor: Fully submersible, pressure tight electric motor, oil-filled. Insulation class H. Motor protection IP 68. Model W and Ex with thermal sensors embedded in motor winding. Cable: H07RN8-F4G1.5 Model Ex: H07RN8-F6G1.5
- Shaft/Bearing: Large diameter stainless steel rotor shaft, pre-lubricated bearings, models H 121 lower bearing double-row type.
- Seals: Combination of mechanical seals in a separate oil chamber. Oil check from outside. H 119 with 1 mechanical seal and 1 lip-seal. H 121 with 2 mechanical seals.
- Explosion protection: All models are available with explosion proof motors according to II 2 G Ex c d II B T4 (T3).