Leading the dewatering sector, Cosmos Pumps provides advanced pumping solutions for construction, mining, and municipal needs. Our focus on sustainability and superior quality sets the global standard in reliable pump engineering. Our range includes submersible dewatering pumps, auto priming pumps, self priming pumps, and slurry pumps — covering 1.5 HP to 1,550+ HP.
AI-powered dewatering pumps manufacturer & solutions provider
Lean Manufacturing
95,000 Sq. ft
R&D and OEM Service
Global presence in
20+ countries
Sales and Service Support
Pumps Range
Surface | Submersible
One Stop
Sales | Rental | Spares & Accessories | Service
Certifications
ISO 9001:2015 | CE | EN | UL | EAC
Cosmos Pumps is an ISO & CE certified dewatering pump manufacturer headquartered in Faridabad, NCR. Our 95,000 sq. ft. Vertical Lean Manufacturing facility produces the CDW submersible range, CAP auto-prime surface pumps, CSL hi-chrome slurry pumps, and CSW sewage pumps — engineered and manufactured in India for Indian infrastructure conditions.
As a direct dewatering pump manufacturer (not a trader or reseller), Cosmos controls quality from foundry to field — and can customise pump specifications for project-specific head, flow, MOC, and power requirements.
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Navigate the frontier of intelligent dewatering with Cosmos Pumps—where futuristic AI and IoT integration elevate efficiency and adaptability. At best dewatering pump price embrace smart, connected solutions that propel you ahead, today and tomorrow.
Artificial Intelligence
Machine Learning
IoT
Remote Monitoring
Explore a comprehensive range of dewatering accessories designed to complement your pumps.
A dewatering pump is an industrial pump that removes water from a construction site, excavation, tunnel, mine, or enclosed space where water accumulation would halt operations or create safety hazards. Dewatering pumps handle muddy, particulate-laden water; in slurry applications, they move fluids with up to 70% solids by weight.
Cosmos Pumps manufactures India’s widest industrial dewatering range: CDW submersible pumps from 1.5 HP for construction sumps, through to CAP diesel auto-prime pumps at 1,550+ HP for flood control deployments that move 74,000+ LPM. All models are built at the 25,000 sq ft Faridabad manufacturing facility and carry ISO 9001:2015, CE, and ZED Gold certification.
Pump selection depends on water inflow rate, pit depth, solids concentration, power availability, and whether the pump needs to relocate across multiple sites.
| Pump series | Water type | HP range | Head range | Primary application | Choose when |
|---|---|---|---|---|---|
| CDW Submersible | Dirty/muddy water, 4–12mm solids, SG ≤1.1 | 1.5–120 HP | 15.5–200M | Construction, tunnels, mines (groundwater) | Site has electricity; pump must be submerged |
| CAP Auto-Prime | Muddy/clear water; open impeller handles 75mm solids; diesel or electric engine | Up to 1,550+ HP | 2–169M | Flood control, large construction, mining | No power supply; portability needed; very high flow required |
| CSL Slurry | Solids up to 70% by weight, SG up to 2.1; 27% hi-chrome metallurgy | Up to 100 HP | 27.5–52.5M | Mining ash transfer, coal runoff sumps, harbour construction | Water carries abrasive solids above 12mm or at high concentration |
| CNC Non-Clog | Thick sludge, SG ≤1.2; solids up to 70mm via bottom discharge | 6–20 HP | 22–30M | Sewage bypass, manhole cleaning, construction sludge | Solids too large for CDW; no slurry-grade abrasion |
Cosmos Pumps has served 2,500+ customers across 20+ countries in five primary application segments:
Construction — 300+ pumps deployed per year for foundation, basement, and trench dewatering. The CDW Standard series (1.5–50 HP) covers most building construction applications. Construction dewatering →
Mining — 50+ mining projects completed per year. The CDW Ultra High Head (50–120 HP, 90–200M head) handles open pit and underground applications; the CSL hi-chrome slurry pump moves coal and ash with up to 70% solids. Mining dewatering →
Flood control — 80+ CAP diesel auto-prime pumps deployed per year for municipal flood management and emergency response. The CAP handles 74,483 LPM on a single unit. Flood control solutions →
Tunneling — The CDW Ultra High Head reaches 200M shut-off head, the specification required for metro and highway tunnel dewatering in active TBM excavations. Tunneling solutions →
Municipal — CSW sewage submersible pumps (2–200 HP, solids to 100mm) and CNC non-clog pumps (6–20 HP) serve municipal sewage bypass, STP operations, and stormwater drainage. Municipal solutions →
Dewatering pumps are manufactured to evacuate unwanted water from low-lying areas. Our construction dewatering pumps are widely used on building sites, tunnels, and foundations, where they are used to pump standing water away. These pumps help keep the ground dry, so that work doesn’t have to stop.
Modern dewatering systems are reliable, efficient, and simple to use, making them essential for industries that deal with water control. At Cosmos Pumps, we are trusted dewatering pump manufacturers with years of expertise in creating durable and high-performance solutions.
Our dewatering pump 10 hp and above is ideal for heavy-duty operations where strong and continuous water removal is required.
The dewatering pump 5 hp is best for smaller projects that still need reliable pumping power.
For large industrial jobs, our heavy-duty industrial water pump delivers consistent performance with long life.
We also offer a dewatering vacuum pump that ensures fast priming and efficient operation.
As one of the best submersible and surface dewatering pump manufacturers in India, we also offer accessories for your pumping systems.
A dewatering pump removes water accumulation from construction sites, mines, tunnels, and flood-affected areas so operations can continue safely. Cosmos Pumps CDW submersible pumps cover construction and mining applications from 1.5 to 120 HP; CAP diesel auto-prime pumps cover large-scale flood control and surface dewatering up to 1,550+ HP.
All dewatering pumps can be submersible, but not all submersible pumps are designed for dewatering. Borewell and domestic pumps are submersible but cannot handle the dirty water, particulate loads, and pH conditions of construction or mining sites. The Cosmos CDW series is a submersible dewatering pump built for solids up to 12mm and pH 5–8 in site conditions.
Dewatering pump rental rates in India vary by HP, duration, and mobilisation distance. Cosmos Pumps provides quotes within 2 working hours for Pan India deployment of CDW (3–75 HP) and CAP diesel (60–105 HP) rental fleet. Contact: +91 99333 22238.
Auto-prime pumps and self-priming pumps both operate above the waterline — but they work differently and suit different site conditions.
Auto-prime pumps (Cosmos CAP range) use a dedicated priming chamber that automatically evacuates air before each start. This means the pump can run dry without damage — critical on intermittent dewatering jobs where sumps empty unpredictably. The CAP delivers flows up to 74,483 LPM at heads up to 169 metres, powered by diesel engines (KOEL, Eicher, Baudouin, or CAT). That makes it the right choice for remote sites without electricity, large flood-control deployments, and mining applications where the pump will move sites repeatedly.
Self-priming pumps (Cosmos CSP range) prime manually on first use and require electricity. They deliver up to 4,500 LPM at 28 metres head — well-suited for smaller construction sites, basement dewatering, and foundation drainage where power is available and the installation is fixed.
Quick rule of thumb:
Suction lift is the same for both: up to 9.8 metres from water surface to pump inlet.
Correct HP selection depends on four variables: required flow rate (LPM), total head (metres from water surface to discharge point), water type, and available power source.
For the Cosmos CDW submersible range:
For slurry applications (CSL range, SG up to 2.1): Upsize by 30–50% versus clean water calculations to account for the specific gravity of the fluid.
For sewage (CSW range): Solid size (20–100 mm) determines pump selection as much as HP. A 50 HP CSW handles 33,000 LPM at 60 metres head.
For surface-mounted auto-prime (CAP range): Available in 2 HP to 1,550+ HP — primarily selected by flow rate and required suction lift from the sump.
Always measure actual site conditions before ordering: static water level, discharge pipe length, and elevation change from sump to discharge all affect head calculations. Contact Cosmos technical sales at +91 99333 22238 with site measurements for a precise recommendation.
The Cosmos CDW submersible dewatering pump is built around five engineering choices that matter on Indian construction and infrastructure sites:
1. Nitride-hardened SS-410 impellers (HRC 52–55 hardness)
Most competing pumps use cast iron or standard stainless steel impellers. The CDW’s nitride-hardened SS-410 impellers are significantly harder — extending service life in abrasive muddy water before efficiency drops or replacement is needed.
2. Aluminium alloy stator casing
Where most pumps use cast iron motor bodies, the CDW uses aluminium alloy for better heat dissipation. This matters in high-ambient-temperature Indian site conditions where pump chambers can exceed 40°C.
3. Class H insulation (180°C rating)
The highest insulation class used in industrial pump motors. This protects against thermal overload damage in sustained heavy-duty operation — a common failure mode with cheaper alternatives.
4. Adjustable wear plate gap (±5mm at site)
When pump efficiency drops due to wear, the gap between impeller and wear plate can be adjusted directly on site in minutes. There is no need to return the pump to a workshop for recalibration.
5. Sacrificial zinc anode option
Protects the pump body in saline or coastal seawater applications — relevant for Cosmos’s seaport, harbour, and coastal infrastructure customers.
The CDW range is ISO 9001:2015 and CE certified, manufactured in-house at the Faridabad facility since 2021.
CosmoSmart is Cosmos Pumps’ proprietary IoT platform for remote pump fleet management, available on Android and iOS.
What it monitors in real time:
What it stores:
Who it’s designed for:
Version history:
CosmoSmart is particularly valuable during the June–September monsoon period, when Cosmos deploys 80+ pumps across flood-control operations annually. Real-time fuel and status visibility across scattered sites reduces unplanned downtime and eliminates manual site-visit reporting.
Cosmos Pumps holds six certifications covering quality management, product safety, government tender eligibility, and international market access:
ISO 9001:2015 — Covers the quality management system across manufacturing, testing, and delivery at the Faridabad facility. Required by most large EPC contractors and government agencies as a procurement condition.
CE — European Union product safety certification. Enables direct export to EU member countries and signals compliance with international engineering standards — relevant for Cosmos’s Europe and GCC export customers.
ZED Gold — Awarded by the Indian Government’s Zero Defect Zero Effect programme. Recognises manufacturing quality and environmental practices, and is a prerequisite for preferential treatment in certain government and PSU tenders.
UL Compliance — US Underwriters Laboratories product safety standard. Relevant for North America exports and international procurement specifications that reference UL standards.
NSIC — National Small Industries Corporation registration. Provides preferential access to government procurement and public sector tenders in India — relevant for municipal, PHE, and defence segment customers.
EAC — Eurasian Conformity certification. Required for export to Russia, Kazakhstan, Belarus, Armenia, and Kyrgyzstan — markets where Cosmos has active business.
All certifications are current and can be shared with procurement teams on request. Contact cosmos@cosmospumps.com or call +91 99333 22238.
