The four-pole VT series is designed for pumping particularly heavy wastewater. Its high capacity and large free passage make it suitable for use in industry, animal husbandry, sludge transport, tanneries, and anywhere liquids containing large solids need to be pumped.
Specifications
All the main components are made of GG25 cast iron. Two separate mechanical seals (the motor side in the oil chamber and the impeller side in contact with the liquid), together with high-quality components, ensure excellent performance and product reliability.
What are the advantages of the V4 sewage pump?
The four-pole V4 sewage pump is a professional product for use in municipal and industrial sewage systems, as well as in specialized pumping stations. Thanks to the large space beneath its Vortex impeller, it can easily pump raw sewage containing solid and fibrous matter; small stones, gravel and rubbish are no problem either. The multi-vane Vortex impeller resists clogging from wipes, strings and kitchen waste. The water vortex that forms beneath and around the impeller keeps much of the solid matter from coming into direct contact with it, so the impeller wears more slowly than channel impellers. The advantage of the channels, which widen radially, is that solid matter entering through the inlet does not get stuck in the impeller channels, but is thrown outwards and travels along the pump housing wall to the volute.
Control
The V4 sewage pump is a three-phase-only model with a power rating of up to 7.5 kW, so the pumps are controlled exclusively by an external signal. To monitor V4 pump operation, we recommend and offer professional power and control panels with relay-contactor or microprocessor control. They can also send fault notifications via SMS and provide remote monitoring over the internet.
Installation
The most common way to install V4 pumps is to mount them on a DUTY or type B coupling foot in raw wastewater pumping stations. Horizontal type A coupling feet or mobile installations on a type P stand are used less frequently. For lowering the pump along guide rails into the pumping station tank, a stainless steel chain or stainless steel cable of suitable strength is used. These are attached to the holes in the bracket at the top of the pump, allowing the pump to remain properly balanced while being lowered. When installing the coupling foot, make sure the bottom of the tank beneath the pump is flat; otherwise, cavitation may occur, causing the hydraulic components to wear out faster.
Features
• Vortex impeller with free passage,
• Moisture sensor in the oil chamber, which protects the motor from flooding if the mechanical seal behind the impeller is damaged,
• Side flange outlet allows installation on a coupling foot and easy installation of an elbow connection for a flexible hose with a hose clamp or quick coupling,
• T1-T2 thermal protection built into the motor winding, for connection to a suitable control panel,
• 10 m H07RNF power cable with bare wire ends,
• Warranty and post-warranty service,
• 24-month warranty.
On request, special versions can be made for liquid temperatures up to 60°C with the pump fully submerged (not for continuous operation).
