The VTH 2-pole series is designed for pumping sewage containing solids. Its high capacity makes it well suited for use in treatment plants, industrial sewer systems, agriculture, and drainage.
Specifications
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.
hat are the advantages of VTH sewage pumps
VTH two-pole sewage pumps are professional products for use in municipal and industrial sewer systems, as well as in specialist pumping stations. The large clearance beneath the Vortex impeller allows them to pump raw sewage containing solid and fibrous matter with ease; small stones, gravel, and rubbish are no problem either. The multi-vane Vortex impeller resists clogging from tissues, string, and kitchen waste. As a water vortex forms beneath and around the impeller, many solids do not come into direct contact with it, so the impeller wears more slowly than channel impellers. The advantage of the radially widening channels is that solid matter entering through the inlet does not get stuck in the impeller channels, but is expelled and moves along the pump casing wall to the throat.
Control
VTH sewage pumps are models with a power rating above 10 kW and are exclusively three-phase, so they can only be controlled by an external signal. For controlling VTH pumps, we recommend and offer professional power and control panels with relay-contactor or microprocessor control. They also provide fault notifications via SMS and remote monitoring over the internet.
Installation
The most common installation method for VTH pumps is mounting them on a DUTY coupling foot or a type B coupling elbow in raw wastewater pumping stations. Horizontal type A coupling feet or mobile installations on a type P stand are used less often. To lower the pump along guide rails into the pumping station tank, use a suitably strong stainless steel chain or wire rope, attached to the holes in the holder at the top of the pump to ensure it remains balanced as it is lowered. When installing the coupling foot, make sure the tank bottom beneath the pump is flat; otherwise, cavitation may occur, accelerating wear on the hydraulic components.
Features
• Vortex impeller with 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 coupling,
• T1-T2 thermal protection built into the motor winding, for connection to a suitable control panel,
• 10 m H07RNF power cable with free 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.
