DRS

Cast iron submersible pump equipped with impeller with grinder type device in AISI 304. Suitable in applications with sewage containing filamentary bodies, pieces of paper, and pieces of textile material. Read more

Features

Possibility to use in fixed and mobile installations

Possibility to use in fixed and mobile installations

Open impeller with suction grinder

Open impeller with suction grinder

PZH
Cast iron submersible pump equipped with impeller with grinder type device in AISI 304, allowing the pump's use with sewage containing filamentary bodies, pieces of paper, or pieces of textile material.
DRS electric pumps can be used in fixed and mobile installations.
For further technical information see the Databook

• Soiled liquids
• Emptying cesspits, sewage systems or slurry treatment

Technical data

Flow rate up to 60 m³/h
Total head up to 72 m
Max. temperature of the liquid +40°C
Poles 2
Max. solids passage 6÷7 mm (DRS 40)
8÷10 mm (DRS 65)
Insulation class H
Protection degree IP68
Voltage Single-phase 1~230V ±10%
Three-phase 3~400/690 ±10%
Max. immersion 7 m with 10 m cable
on request 17 m with 20 m cable

Materials

Pump body Cast iron
Impeller Cast iron
Shaft Stainless steel AISI 420B (EN 1.4028)
Mechanical seal Impeller side: Silicon carbide/Silicon carbide/NBR
Motor side: Carbon/Ceramic/NBR

What is the minimum amount of liquid that the pump must be submerged in?

Strictly follow the directions provided in the instruction manual.

How can I adjust the float switch in order to avoid problems when starting or stopping?

If the pump is fitted with a float switch, the latter must have enough room to move freely, so that it can switch and ensure a proper pump operation.
Please follow the directions provided in the instruction manual when the installation requires float switches that are fixed to the tank and are driven by a distribution board.

What should the dimensions of the handhole where I’m inserting the pump be?

It depends on the pump’s type and model.
Strictly follow the directions provided in the instruction manual.

Can I extend/replace the power cord without causing technical problems or affecting the warranty?

Yes, anyhow this operation has to be carried out by a specialised technician or at an authorised EBARA Service Centre. This avoids improper connections that can adversely affect the pump’s correct operation and/or the safety of the installation.


More details
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