Wilo-Jet - Model HWJ -Self-Priming Water Supply Unit

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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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Application

Water supply
Sprinkling
Irrigation and spraying
Pumping water from wells and out of low-lying tanks

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

Equipment/function

Directly flanged motor
Pressure switch
Diaphragm pressure vessel
for use with single-phase motor

Connection cable with plug
Thermal motor protection switch

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