CH 235 / CH 291 – Submersible Pumps For Chemically Aggressive Drainage Water

Submersible pumps, composite and stainless steel pump housing with jacket cooling

APPLICATION

For irrigation and drainage in chemical aggressive drainage water. Pumping water from sumps, pits and rooms. Drainage disposal in industrial and commercial applications, flood relief.


TECHNICAL DATA SHEET

SPECIFICATIONS

Spherical clearance

Max. flow

10 mm

12,0 – 24,0 m³/h

Discharge size

Motor power P1

G 1¼ F

0,35 – 1,2 kW

Max. head

Motor power P2

7,0 – 12,3 m

0,18 – 0,91 kW

INSTALLATION

Permanent or transportable. Model with float switch control for automatic pump operation, depending on liquid level in the sump.

MATERIALS

Motor housing, screws (Stainless steel 1.4304) Motor shaft (Stainless steel 1.4104) Suction sieve, Pump housing (Polypropylene synthetic material (composite)) Impeller, Pressure cover (PBTP, Glass-fibrereinforced) Mechanical seal (Siliciumcarbide/ Viton) Elastomere (Viton) Cable (Polyurethane)

PUMPED LIQUID

Clear water or drainage water containing soft solids, up to 10mm grain size pH-value 5 – 12. Max. liquid temperature: 35°C, short term up to 60°C.

MOTOR

Fully submersible, pressure tight electric motor. Stainless steel motor housing. Insulation class F. Motor protection IP 68. W-models with thermal sensors imbedded in the motor winding.

FEATURES

The water jacket cooled motor with the top discharge protects the motor against overheating even during sip operation.

IMPELLER

Impeller of the CH 235 / CH 291 series.

For optimum adaptation to the pump medium and operating conditions.

OPEN MULTI-CHANNEL IMPELLER

For dirty and muddy media with solids.

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