Series description: HWJ 2 Design Self-priming water-supply unit Application Water supply Sprinkling Irrigation and spraying Pumping water from wells and out of low-lying tanks Type key Example: H WJ HWJ L 2 EM System consisting of a pump with diaphragm vessel jet pumps L Tank size 2 Nominal flow rate Q in m³/h at optimum efficiency 03 EM Index for pump (02 < 03 < 04), version 03 with higher than version 02 (no indication of number of impellers) Single-phase current, 1~2 V, 50 Hz Special features/product 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 vessel with /50 l capacity Electrical and hydraulic connections already in place, quick and safe to install Equipment/function Directly flanged motor Pressure switch Diaphragm vessel for use with single-phase motor Connection cable with plug Thermal motor protection switch Pump housing stainless steel 1.41 Impeller made of 1.41 stainless steel Shaft made of 1.05 stainless steel made of carbon/ceramic made of Diffuser/injector made of made of NR Scope of delivery Pump Pressure switch Pressure gauge Diaphragm vessel (/50 l) Pressure hose with steel casing and screwed connection Installation and operating instructions Accessories Suction hose set Float switch Technical data 1~2 V, 50 Hz Suction head max. 8 m Inlet max. 1 bar Start-up 1.5 bar Variable switch-off Fluid temperature +5 C to +35 C Max. operating Connection on side Suction-side connection Subject to change without prior notice. www.wilo.co.uk 50 Hz EU 13-05 1 / 9
Duty chart: HWJ 2 Subject to change without prior notice. www.wilo.co.uk 50 Hz EU 13-05 2 / 9
Product list: Type Nominal motor power Cable length from system to switchgear/plug Gross weight Art no. P 2 / W L / m m / kg HWJ L 2 650 2 17.80 81527 HWJ L 3 750 2 18. 81528 HWJ L 4 10 2 19.50 2531176 HWJ 50 L 2 650 2 24. 81529 HWJ 50 L 3 750 2 24.80 815 HWJ 50 L 4 10 2 26. 2531177 Subject to change without prior notice. www.wilo.co.uk 50 Hz EU 13-05 3 / 9
Data sheet: L 2 (1~2 V) HWJ 2 Max. ambient temperature T C 570 450,0 2 500 170 2,0 0.6500 kw 0.8500 kw 1~2 V, 50 Hz side Pump housing 1.41 Impeller 1.41 Pump shaft 1.05 NR Type HWJ L 2 Art no. 81527 Weight approx. m 17.1 kg Subject to change without prior notice. www.wilo.co.uk 50 Hz EU 13-05 4 / 9
Data sheet: L 3 (1~2 V) HWJ 2 Max. ambient temperature T C 570 450,0 2 500 170 2,0 0.7500 kw 1 kw 1~2 V, 50 Hz side Pump housing 1.41 Impeller 1.41 Pump shaft 1.05 NR Type HWJ L 3 Art no. 81528 Weight approx. m 18.5 kg Subject to change without prior notice. www.wilo.co.uk 50 Hz EU 13-05 5 / 9
Data sheet: 50 L 2 (1~2 V) HWJ 2 Max. ambient temperature T C 660 5,0 360 700 0 350,0 0.6500 kw 0.8500 kw 1~2 V, 50 Hz side Pump housing 1.41 Impeller 1.41 Pump shaft 1.05 NR Type HWJ 50 L 2 Art no. 81529 Weight approx. m 23.8 kg Subject to change without prior notice. www.wilo.co.uk 50 Hz EU 13-05 6 / 9
Data sheet: 50 L 3 (1~2 V) HWJ 2 Max. ambient temperature T C 660 5,0 360 700 0 350,0 0.7500 kw 1 kw 1~2 V, 50 Hz side Pump housing 1.41 Impeller 1.41 Pump shaft 1.05 NR Type HWJ 50 L 3 Art no. 815 Weight approx. m 24.9 kg Subject to change without prior notice. www.wilo.co.uk 50 Hz EU 13-05 7 / 9
Data sheet: L 4 (1~2 V) HWJ 2 Max. ambient temperature T C 582 462,0 2 5 170 2,0 1.00 kw 1.00 kw 1~2 V, 50 Hz side Pump housing 1.41 Impeller 1.41 Pump shaft 1.05 NR Type HWJ L 4 Art no. 2531176 Weight approx. m 18.5 kg Subject to change without prior notice. www.wilo.co.uk 50 Hz EU 13-05 8 / 9
Data sheet: 50 L 4 (1~2 V) HWJ 2 Max. ambient temperature T C 672 542,0 360 7 0 350,0 1.00 kw 1.00 kw 1~2 V, 50 Hz side Pump housing 1.41 Impeller 1.41 Pump shaft 1.05 NR Type HWJ 50 L 4 Art no. 2531177 Weight approx. m 24.1 kg Subject to change without prior notice. www.wilo.co.uk 50 Hz EU 13-05 9 / 9