The DNA series is used for pumping biological liquids and wastewater. The large free passage for solids makes it ideal for wastewater treatment plants, public and private sewage systems, and the livestock industry.
Characteristics
All major components are made of GG20 cast iron. The double mechanical seal in a back-to-back configuration, located in an oil chamber, guarantees a long product service life.
Advantages of DNA pumps
The DNA sewage pump is an ideal solution for those looking for a professional product for home or small-business applications. The free passage of the DNA sewage pump is the best alternative to pumps with a macerator, which often becomes clogged, exposing the user to operating difficulties. The large free passage below the impeller, allowing contaminants from 45 to 80 mm in size to pass through, depending on the model, ensures long-term operation without the need for intervention. Open six-vane Vortex impellers handle even fibrous sewage contents perfectly, whereas macerators act like winding devices. Macerator blades quickly become blunt in sewage, acting like wedges and blocking the pump. Sewage pumps with such a large free passage below the impeller are free from these drawbacks. The thick impeller walls are sufficient for many years of operation in raw domestic sewage. Connection flanges allow installation with any coupling feet featuring holes according to DN.
When selecting a pump, check the specifications of the available pipeline, as sometimes the discharge pipe diameter or the terrain geometry requires the use of greater power.
Control
The DNA sewage pump is available in four versions, combining single- and three-phase power supplies with control by a built-in float or an external signal. To control DNA pumps, except for versions with a built-in float, we recommend the simple M121 (230 V) controllers, as well as the M131 (400 V). For more demanding users and dual-pump pumping stations, we offer professional relay- and contactor-based power and control cabinets: SPP and SPS.
Installation methods
Thanks to the DN flange, DNA pumps are commonly installed on coupling feet in domestic, municipal, network, and stormwater sewage pumping stations. When fitted with a suitable hose connection (an elbow ending in a plain end), they become portable drainage pumps for working with liquids containing large amounts of solids (gravel, sand, debris). A DNA sewage pump can be used without difficulty to water a garden with rainwater, drain a flooded garage or basement, or pump water from a pond or ditch into another tank. DNA pumps have stable feet protruding from the pump body, allowing them to stand on level ground while providing adequate clearance beneath the body for water intake.
Like every DRENO sewage pump, the DNA comes standard with a 10-metre power cable. They work perfectly with DRENO coupling feet: DUTY50, DUTY 65, DUTY 80 and B5.
Features
- Low pump weight,
- 65 mm free-passage Vortex impeller,
- Horizontal pump outlet with DN65 PN10 flange,
- 10 m power cable ending in a plug,
- Thermal protection built into the motor winding
- Warranty and post-warranty service
- 24-month warranty
