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Description
Self-priming water-supply unit.
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Advantages
- Ideal for outdoor applications (hobby, garden)
- Rust-free stainless steel prevents corrosion, even with prolonged service periods
- Reduction of switch-on frequency and avoidance of fluid hammer, thanks to diaphragm pressure vessel with 20/50 l capacity
- Electrical and hydraulic connections already in place, quick and safe to install
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Technical Features
Design
Self-priming water-supply unit
Application
- Water supply
- Sprinkling
- Irrigation and spraying
- Pumping water from wells and out of low-lying tanks
Equipment/function
For pumping water and rainwater from wells and tanks for:
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- Sprinkling
- Irrigation and spraying
Equipment/function
- Directly flanged motor
- Pressure switch
- Diaphragm pressure vessel
- for use with single-phase motor
- Connection cable with plug
- Thermal motor protection switch
Typekey
Example: HWJ-203-EM-50/2-2 HWJ Domestic water system with WJ pump and diaphragm expansion tank 2 Rated flow rate Q in m³/h at optimum efficiency 03 Version 3 with higher pressure than version 2; no correlation with number of impellers EM Single-phase 230 V [space], 50 With standard diaphragm expansion tank, with 50-litre diaphragm expansion tank /2 Index of technical development -2 With IE2 motor Technical Data
- Mains connection 1~230 V, 50 Hz
- Suction head max. 8 m
- Inlet pressure max. 1 bar
- Start-up pressure 1.5 bar
- Variable switch-off pressure
- Fluid temperature +5 °C to +35 °C
- Max. operating pressure 6 bar
- Protection class IP 44
- Connection on pressure side Rp 1
- Suction-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 carbon/ceramic
- Stage chambers made of Noryl
- Diffuser/injector made of Noryl
- Seal made of NBR
Accessories
- Suction hose set
- Float switch
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Downloads
Click Below to Download:
Wilo-Jet-WJ
Wilo-HiMulti 3 H… Wilo-HMHI, Wilo-Jet HWJ
Group Statement REACH
