Single-channel centrifugal pumps of the series NB from the company Allweiler they have a practical modular design and are designed for block mounting of the drive unit (reinforced connection through a flange or lantern), DIN EN 733 standard. The design is one- or two-stage, mechanical shaft seal (materials to choose from), the outlet pipe is directed radially upwards, the suction is coaxial. Classification according to the requirements of Atex - II 2 G c b Tx (temperature class on request). The model range is represented by a wide range of dimensions to select the optimal option. As a drive, the standard uses three-phase motors with a short-circuited rotor, closed design (IP55), insulation F.
Pumping liquids: water (clean, marine, industrial, condensate), salt and alkaline solutions, oils.
Limitations: no abrasive particles, contact with chemically aggressive agents.
Areas of application: water treatment, air conditioning, heating systems, water supply, desalinators, cooling, spraying, irrigation, swimming pools, dust collectors and others.
Technical characteristics of Allweiler centrifugal pumps of the NB series
- Volume consumption: up to 480 m3/hour;
- Discharge height: up to 145 m;
- Nominal pressure (PN): up to 10 /16 bar;
- Diameter of the suction pipe: 25 - 200 mm;
- Diameter of the pressure nozzle: 25 - 150 mm;
- Liquid temperature: up to 140 °C.
- Installation: dry, horizontal/vertical, block.
Overall standard sizes of Allweiler NB pumps
NB 20-160, NB 25-160, NB 32-125, NB 40-125, NB 50-125, NB 65-125, NB 25-200, NB 32- 160, NB 32-200, NB 40-160, NB 40-200, NB 40-250, NB 50-160, NB 50-200, NB 50-250, NB 65-160, NB 65-200, NB 80-160, NB 100-160, NB 2/25-200, NB 2/32-200, NB 2/40-250, NB 2/50-250, NB 65-250, NB 65-315, NB 65-400, NB 80-200, NB 80-250, NB 80-315, NB 100-200, NB 100-250, NB 100-315, NB 125-200, NB 125-250, NB 150-200
You can buy Allweiler centrifugal pumps of the NB series by contacting our specialists to find out the price and more information about the products.