The Tsurumi - HS3.75SL Submersible Pump - 10-10-1244 (SKU 10-10-1244) is a high performing single-phase submersible pump designed for efficient water removal in challenging environments. This 110V model features a pendant float switch for automatic operation, making it ideal for various industrial and construction Uses.
For the automatic control of water levels, theHSseries is available with sensor and float switches: The Sensor switch has two 304 Stainless Steel probes that are encapsulated in moulded rubber and it is designed for portable Uses. The compact design and precise water level control also makes it suitable for fixed installations and narrow or shallow sumps. During use, when both probes touch water, the pump will start and continue to operate for one minute after the water level drops. However, if the water touches both probes again within this time, the pump continues pumping for another minute and will continue like this on demand, so keeping the water level constantly below the level of the probes at all times. The off level can be as low as the level of the water entry of the volute at 50mm, depending on the sump size or area being drained. Probes can be lengthened by 70mm or 170mm, with optional extensions, to enable a lower "on" and "off" level.
Thefloat-switch has a power cable connected to a waterproof case that contains a ball bearing actuated switch and is designed for portable and fixed installations. The cable is clamped to the pump, with a small amount of adjustment to alter the "on" and "off" level.
Thefloat-switch has a switch actuated by a floating cylinder, housed within a tube. Compact, with fixed "on" and "off" levels for precise level control, it is intended for narrow sumps and fixed installations.
Key FeaturesRobust Construction
- Built with durable materials, including a ductile iron casing and urethane rubber impeller
- Semi-vortex impeller design for handling solids and debris without blockages
Powerful dynamic performance
- 1 HP (0.75 kW) motor output for reliable operation
- Maximum flow rate of 580 litres per minute
- Maximum head of 10.8 metres
Versatile Application
- 3-inch (80mm) discharge bore for efficient water removal
- Capable of handling solids up to 7mm in diameter
User-Friendly Design
- Compact dimensions: 285mm diameter x 464mm height
- Lightweight at 20 kg for easy transportation and installation
Enhanced Durability
- Double internal mechanical seal with silicon carbide faces for extended operational life
- Oil lifter technology ensures proper lubrication of seal faces
- V-ring seal protector guards against abrasive particles
Electrical Specifications
- 230V single-phase power with 4.9 amp draw
- 9.75 metre rubber cable for flexible positioning
The Tsurumi - HS3.75SL Submersible Pump is an excellent choice for contractors, local authorities, and industrial users requiring a reliable, high-dynamic performance pump for water removal Uses involving water with sand, solids, and debris.
Real-world product applications
- Removing water from pits, sumps, and collection points
- Supporting drainage and water transfer duties
- Dewatering flooded areas and low-lying spaces
- Transferring water from tanks and containers
- Assisting with general submersible pumping tasks
Key Product Features
- Flow rate: 580 Ltr/min
- Water type: Dirty Water
- Voltage: 110V
- Maximum head: 10.8m
Tsurumi (est. 1924) is a Japanese manufacturer specialising in heavy-duty submersible pumps for drainage, construction dewatering and wastewater. Product ranges include contractor dewatering, slurry and sewage pumps. Common applications include site dewatering, civil engineering, tunnelling, quarrying and public wastewater projects requiring solids handling.
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