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Description
Self-priming centrifugal pumps.
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Advantages
- User-friendly thanks to its light weight, compact size and practical carrying handle
- High supply guarantee due to hydraulic output, self-priming up to 8 m (also at a low flow rate)
- Robust stainless steel construction for durable operation, impeller, shaft and housing made of AISI 304
- IE3-IEC three-phase AC motor (≥ 0.75 kW)
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Technical Features
Design
Self-priming centrifugal pumps
Application
- Water pumping from wells and rainwater storage tanks
- Filling, pumping empty, transferring by pumping, irrigation and sprinkling
- As emergency pump for overflows
Equipment/function
- With or without carrying handle, depending on version
- For single-phase motor (1~230V):
- Connection cable with plug
- On/off switch
- Thermal motor protection switch
Typekey
Example: WJ-203-X-EM WJ Wilo jet pumps 2 Nominal flow rate Q in m³/h at optimum efficiency 03 Index for pump pressureVersion 03 with higher pressure than version 02(no indication of number of impellers!) X Version without carrying frame [Space] Portable version with carrying frame EM Single-phase current, 1~230 V, 50 Hz DM Three-phase current, 3~230/400 V, 50 Hz Technical Data
- Mains connection 1~230 V, 50 Hz or 3~400 V, 50 Hz
- Inlet pressure max 2 bar
- Fluid temperature max. +5 °C to +35 °C
- Max. operating pressure 6 bar
- Protection class IP 44
- Suction- and pressure-side connection G 1
Materials
- Pump housing stainless steel 1.4301
- Impeller made of 1.4301 stainless steel
- Shaft made of 1.4005 stainless steel
- Mechanical seal made of ceramic/carbon
- Diffuser/injector made of Noryl
- Seals made of NBR
Accessories
- Automatic pressure switching: Fluid control
- Suction/pressure hose 1″ (1.5 to 15 m version)
- Foot valve
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