Jet HWJ
System


| Product description | Mains connection | Gross volume of the diaphragm expansion tank V | Rated power P2 | Gross weight, approx. m | Article number | |
|---|---|---|---|---|---|---|
Jet HWJ 204-EM-50/2-2 (1~230 V) | 1~230 V, 50 Hz | 50 l | 1 kW | 21.6 kg | 4265555 | |
Jet HWJ-202-EM-50/2-2 (1~230 V) | 1~230 V, 50 Hz | 50 l | 0.55 kW | 18.3 kg | 4265553 | |
Jet HWJ-202-EM/2-2 (1~230 V) | 1~230 V, 50 Hz | 20 l | 0.55 kW | 16.4 kg | 4265550 | |
Jet HWJ-203-EM-50/2-2 (1~230 V) | 1~230 V, 50 Hz | 50 l | 0.75 kW | 18.8 kg | 4265554 | |
Jet HWJ-203-EM/2-2 (1~230 V) | 1~230 V, 50 Hz | 20 l | 0.75 kW | 16.9 kg | 4265551 | |
Jet HWJ-204-EM/2-2 (1~230 V) | 1~230 V, 50 Hz | 20 l | 1 kW | 19.8 kg | 4265552 |

Design
Self-priming water-supply unitApplication
- 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
Type key
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
- IP rating IP 44
- Connection on discharge 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

