Wilo-Jet HWJ

Wilo-Jet HWJ
Your 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
Recommended services
Jet-HWJ
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
- 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 20 L 202 EM |
H | System consisting of a pump with diaphragm pressure vessel |
WJ | Wilo jet pumps |
20 L | Tank size |
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!) |
EM | Single-phase current, 1~230 V, 50 Hz |
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
Scope of delivery
- Pump
- Pressure switch
- Pressure gauge
- Diaphragm pressure vessel (20/50 l)
- Pressure hose with steel casing and screwed connection
- Installation and operating instructions
Accessories
- Suction hose set
- Float switch
Installation and operating instructions
General overview
Product description | Mains connection | Rated power P2 | Gross weight, approx. m | Article number | |
---|---|---|---|---|---|
Jet HWJ 20 L 202 (1~230 V) | 1~230 V, 50 Hz | 0.55 kW | 16.5 kg | 2549379 | |
Jet HWJ 20 L 203 (1~230 V) | 1~230 V, 50 Hz | 0.75 kW | 16.9 kg | 2549380 | |
Jet HWJ 20 L 204 (1~230 V) | 1~230 V, 50 Hz | 1 kW | 18.2 kg | 2549381 | |
Jet HWJ 50 L 202 (1~230 V) | 1~230 V, 50 Hz | 0.55 kW | 18.4 kg | 2549382 | |
Jet HWJ 50 L 203 (1~230 V) | 1~230 V, 50 Hz | 0.75 kW | 18.8 kg | 2549383 | |
Jet HWJ 50 L 204 (1~230 V) | 1~230 V, 50 Hz | 1 kW | 20 kg | 2549384 |