Specification of Submersible Stainless Steel Pump Brand WILO
WILO ZETOS K8 Multistage stainless steel cast submersible pump
Multistage 8” stainless steel cast submersible pump in sectional construction for vertical and horizontal installation.
Special features / product advantages
- High efficiency : operation dependent hydraulic efficiencies of up to 84,5%
- High corrosion resistance : hydraulics comprised entirely of stainless steel cast
- High wear resistance : max. Sand content of 150 g/m3, optionally with ceramic CT-coating
- Suitable for pumping drinking water : version with ACS rating
- Easy maintenance : simple system for installation and dismantling of hydraulics.
Application :
- Process water and water supply from boreholes and rainwater storage tanks in communal and industrial applications.
- Pumping drinking water with ACS approval
- Pumping water for sprinkling and irrigation
- Ground water lowering
- Pressure boosting
- Pumping water in offshore areas and in fire extinguishing systems
- Utilistation in geothermal and thermal applications
- Water control in mines and mining applications
Technical Data
Hydraulics :
- Max. Volume flow : 200 m3/h
- Max. Delivery head : 620 m
- Max. Fl uid temperature : 70°C
- Max. Sand content : 150 g/m3
- Pressure connection : G 5/PN 63
Motor :
- Mains connection : 3~400 V, 50 Hz ± 10%
- Max. Fl uid temperatured : 30°C at 0.1 m/s minimum flow at the motor; higher temperatures on request
- Immersed operating mode : S1
- Max. Number of starts : NU 5... / NU 6... / NU 7... = 20/h; NU 8.. = 10/h
- Max. Immersion depth : NU 5... NU 7... = 350 m; NU 611, NU 811 = 100 m; NU 801 = 300 m
- Protection class : IP 68
- Control range for frequency converter : NU 5... / NU 611 / NU 7.../ NU 811 =30-50 Hz; NU 801 =25-50 Hz
Equipment / function
- Multistage hydraulic with semi – axial impellers
- Integrated non return valve
- NEMA coupling
- Three phase AC motor
Description / design
Submersible pump for vertical or horizontal installation.
Hydraulics
Multistage submersible motor pump with semi axial hydraulics. Housing parts and impellers made of stainless steel (1.4408).
Pressure connection as threaded connection with non return valve (optionally with accessory adapter on flange connection)
The pressure shroud is used for the direct installation of the unit in the pipe network. Standart models are without mounted non return valves. The maximum inlet pressure is 10 bar.