The four-pole VT series is designed for pumping particularly heavy sewage. 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.
Characteristics
All main components are made of GG25 cast iron. Two separate mechanical seals (the motor side in the oil chamber, 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 special 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 prevents many solids from coming into direct contact with it, so the impeller wears more slowly than channel impellers. The advantage of the radially expanding channels is that solid matter entering through the inlet does not get stuck in the impeller channels, but is ejected outward and travels along the pump housing wall to the throat.
Control
The V4 sewage pump is a three-phase model only, with power up to 7.5 kW, so the pumps are controlled exclusively by an external signal. For controlling V4 pumps, we recommend and offer professional power and control panels with relay-contactor or microprocessor control. They can also provide fault notifications via SMS or remote monitoring over the internet.
Installation
The most common installation method for V4 pumps is mounting on a DUTY or type B coupling foot in raw sewage pumping stations. Horizontal type type A coupling feet or mobile installations on a type P stand are used less often. For lowering the pump along guide rails into the pumping station tank, a stainless steel chain or cable with appropriate strength is used for suspension. It is attached to the holes in the holder at the top of the pump, allowing the pump to remain properly balanced while being lowered. When installing the coupling foot, remember to keep the bottom of the tank beneath the pump flat; otherwise, cavitation may occur, causing hydraulic components to wear out faster.
Features
• Vortex impeller with a free passage,
• Moisture sensor in the oil chamber protects the motor from water ingress 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 clamp or quick connector,
• T1-T2 thermal protection built into the motor winding, for connection to a suitable control panel,
• 10 m H07RNF power cable with unterminated ends,
• Warranty and post-warranty service,
• 24-month warranty.
Special versions for liquid temperatures up to 60°C with the pump fully submerged (not for continuous operation) can be made to order.
