Main benefits
  • Lightweight design for easy handling
  • Robust hydraulic design
  • Level control as standard
  • Plug-and-pump installation
Models
  • J 4 W medium head: 1~
  • J 7 W medium head: 1~

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

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.
The pumps offer reliable performance in harsh conditions without the need to adjust hydraulic parts.

Level control as standard

The pumps are ready for use as soon as they are delivered. They are equipped for immediate plug-in with automatic level control start by default and offer efficient dry-running protection with stainless steel cooling jacket and built-in thermal control.
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

Technical data J 4 W
Electric submersible pump J 4 W
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 W
Electric submersible pump J 7 W
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
Applications
  • Dewatering in construction
    From roads and bridges to ditches and dams, construction sites are difficult places to work. Construction site managers need solid economic reasons for purchasing equipment. Our submersible dewatering pumps provide them.

  • Dewatering in tunneling
    A tunnel construction is a complex worksite were many different variables need to be taken into consideration, flooding is one of them. Our drainage and sludge submersible dewatering pumps are lightweight, portable and start when you plug them in.

  • Flood control
    Climate change is challenging natural disaster prevention. When water runs off the land in large quantities, Sulzer’s comprehensive range of pumps provide reliable, cost effective and efficient solutions for flood control.

  • Mine water management
    Sulzer offers a comprehensive portfolio of pumps and process equipment for abrasive and corrosive environments in mine water management applications.

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