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DAR

Submersible pump with vortex or dual-channel hydraulics and impeller, also available with float switch. The main feature is the large free passage which can be 50 or 65 mm depending on the model. Suitable for handling sewage for domestic and industrial use. Read more

Features

Vortex impeller

Vortex impeller

Dual-channel open impeller

Dual-channel open impeller

PZH
Submersible sewage pump with vortex or dual-channel hydraulics and impeller, also available with float switch. Its peculiarity is the wide free passage, which is the same as the discharge diameter, which can be 50 or 65 mm depending on the model.
Piping connections are:
• threaded 50DAR
• flanged 65DAR

Continuing the tradition and the importance that EBARA gives to the pump's lifespan, the mechanical seals and the motor are in oil bath which allow cooling and better lubrication of the bearings.
Supplied with standard 10-metre cable.
For further technical information see the Databook

• Emptying of cesspits, soiled liquids collection pits and settling pits
• Pumping of soiled liquids with suspended solids
• Pumping of soiled liquids in domestic and industrial environments ideal for installation in domestic and residential lifting stations

Technical data

Flow rate up to 42 m³/h
Total head up to 10 m
Max. temperature of the liquid + 25°C partially submerged pump
+ 35°C totally submerged pump
Poles 2
Max. solids passage 50 - 65mm
Insulation class F
Protection degree IPX8
Voltage Single-phase 1~230V ± 10%
Three-phase 3~400V ±10%
Max. immersion 7 m with 10 m cable

Materials

Pump body Cast iron
Impeller Stainless steel AISI 304 (EN 1.4301)
Shaft Stainless steel AISI 316 (EN 1.4401)
Mechanical seal 50DAR:
Impeller side: Graphite/Ceramic
Motor side: NBR sealing ring
65DAR:
Impeller side: Silicon Carbide/Ceramic
Motor side: NBR sealing ring

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.

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.

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

Strictly follow the directions provided in the instruction manual.


More details
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