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Pumps
Submersible, Borehole & Wastewater Pumps
Submersible pumps run below the liquid surface for boreholes, drainage, sewage lifting and wastewater treatment. Seven Star LLC, an independent supplier in Muscat, supplies submersible, borehole and wastewater pumps from Flygt, Sulzer, KSB, Grundfos, Caprari, DAB, Pedrollo and Gorman-Rupp to municipalities, contractors and industry in Oman and the GCC.
Read the full category guide- 22 products
- 8 brands
Category guide
About Submersible, Borehole & Wastewater Pumps
Submersible pumps run below the liquid surface for boreholes, drainage, sewage lifting and wastewater treatment. Seven Star LLC, an independent supplier in Muscat, supplies submersible, borehole and wastewater pumps from Flygt, Sulzer, KSB, Grundfos, Caprari, DAB, Pedrollo and Gorman-Rupp to municipalities, contractors and industry in Oman and the GCC.
Types of submersible pump in this category
Borehole pumps such as the Grundfos SP, Pedrollo 4SR and 6SR, DAB S4 and Caprari E6NVX, E8NVX and sand-resistant Desert series lift groundwater. Wastewater pumps including the Flygt N 3085 and N 3153, Flygt F 3153 chopper, KSB KRT and Sulzer ABS XFP handle raw sewage, and grinder pumps such as the Sulzer Piranha and DAB FEKA VS GRINDER suit pressure sewer systems. Drainage and solids-handling pumps from DAB, Caprari, Pedrollo and Gorman-Rupp, submersible mixers and inline sewage grinders complete the range.
How to select a submersible pump
For boreholes define well diameter, pumping water level, flow and total head, and check sand content and water quality. For wastewater define flow, head, solids size and type, and choose the impeller: vortex, channel, chopper or grinder. Confirm motor power, voltage, cable length, cooling and any explosion-proof requirement for sewage wet wells.
Data needed for a quotation
Send the pump model, or flow, head, application, well diameter or solids size, motor data and quantity.
What to include in your inquiry
These details let us quote the right item the first time.
- Fluid pumped and its temperature
- Flow rate and head
- Material of construction
- Motor power supply
- Model and serial number, for spare parts
- Hazardous-area requirement, if any
Missing some of them? Send what you have. A nameplate photo or an old part number is enough to start.
Brands in Submersible, Borehole & Wastewater Pumps
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Request a Quote for Submersible, Borehole & Wastewater Pumps
Looking for a specific model, part number or brand in Submersible, Borehole & Wastewater Pumps? Send us your requirements and quantities. Seven Star LLC sources genuine industrial equipment for customers across Oman and the GCC and replies with a formal quotation.
- Genuine OEM products
- Supply across Oman & the GCC
- Formal quotation from our sales team
Free, no-obligation quotation · takes about 1 minute
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Frequently Asked Questions
What is the difference between a sewage pump and a drainage pump?
A drainage pump handles relatively clean water with small solids. A sewage pump has a vortex, channel or chopper impeller to pass larger solids and fibres.
How do I size a borehole pump?
Use the pumping water level, the delivery height and pipe losses to calculate total head, then pick a pump that gives the required flow at that head and fits the well diameter.
When is a grinder pump used?
Where sewage must be pumped through small-diameter pressure pipes, because the cutter reduces solids to a slurry.
Do submersible pumps need explosion-proof motors?
In sewage wet wells classified as hazardous areas, an explosion-proof version is often required. Check the site classification.
What should I send for a quotation?
The model, or flow, head, application, well size or solids size, motor voltage, cable length and quantity.