Name: Submersible drainage pumps J 4, J 7
Brand: Sulzer

Main benefits

Lightweight design for easy handling
Robust hydraulic design
Available with or without level control
Plug-and-pump installation

Models

J 4 W/WKS medium head: 1~
J 7 W/WKS medium head: 1~

Weight; J 4: 15.3 kg, J 7: 17.3 kg

See our performance ranges

Performance curve submersible drainage pump J 4 — Performance range J 4

Performance curve submersible drainage pump J 7 — Performance range J 7

Introduction to our small drainage pumps

Lightweight pumps for use in abrasive water

The portable pumps J 4 and J 7 are designed for drainage of abrasive water from public utilities, construction sites, ships, docks and flooded areas.
They offer reliable performance in harsh conditions without the need to adjust hydraulic parts.

Level control options

J 4 and J 7 are available with or without automatic level control. They feature a stainless-steel cooling jacket and built-in thermal protection for safe and efficient operation. Pumps equipped with level control provide additional dry-running protection.

Motor protection, discharge connections

Motor protection

Built-in thermal protector

Discharge connections

2'' hose connections

2'' B.S.P. threaded connections

Storz C

Storz coupling included in the Ecoline

Dimension drawing

Dimensional drawing- Submersible drainage pumps J 4 and J 7

Technical data J 4

Electric submersible pump	J 4
Maximum submergence	7 m
Protection class	IP 68
pH of the pumped medium	6.5 – 8.5
Strainer hole	6 mm
Motor range P₂	0.45 kW, 1~
Speed	2'850 rpm
Power cable	10 m H07RN8-F

Technical data J 7

Electric submersible pump	J 7
Maximum submergence	7 m
Protection class	IP 68
pH of the pumped medium	6.5 – 8.5
Strainer hole	6 mm
Motor range P₂	0.75 kW, 1~
Speed	2'850 rpm
Power cable	10 m H07RN8-F

Documents

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