DARLING PUMPS SUBMERSIBLE PUMPS
Darling Pumps is a leading Indian manufacturer of submersible pumps, ISO 9001:2015 certified, with over 42 years of experience designing SMART pumping solutions for construction, mining, municipal, industrial and agricultural applications. Pankaj Enterprises supplies the full Darling Pumps submersible range — dewatering, waste water & non-clog, slurry, and clear & raw water pumps — backed by genuine spares and after-sales support.
Waste Water Submersible Pump
A complete range of non-clog, waste water and vertical wet pit submersible pumps built for growing demand in water treatment, conservation, recycling and reuse. Over four decades in this sector have shaped a design that is adaptable in both capacity and material of construction.
Product Description
As demand for pumping and treating waste water rises, Darling Pumps offers a Non-Clog series with wide impeller passages for solids up to 100 mm, a Waste Water series with a choice of vortex, radial or channel impellers for handling solids up to 50 mm, and single-phase models up to 2 HP with a built-in float arrangement for smaller applications such as car parks and cable trench pits.
For dry-pit or column installations, the Vertical Wet Pit (ES) series pairs a flange-mounted TEFC motor — available in FLP or non-FLP construction — with a specially designed casing that assists the free flow of liquids and solids, and can be built to column lengths from 0.5 m up to 6 m depending on site conditions.
Applications
- Municipal, raw & un-screened sewage
- Industrial wastes & effluents
- Pharmaceutical, textile & tanning plants
- Municipal sewer pumping stations
- Effluent Treatment & Sewage Treatment Plants (ETP / STP)
- RO reject / desalination projects
- Chemical handling plants
- Car parking area drainage, hotels & hospitals
- Cable trench pits & packaged sewage systems
Key Features & Benefits
- Choice of vortex, radial or channel impeller for solids up to 100 mm
- Highly efficient dry & wet motors with built-in protection against temperature rise
- Extra heavy-duty shaft to resist deflection while pumping solids
- Mechanical seals fitted in independent chambers, devoid of discharge pressure
- Heavy-duty ball bearings at top & bottom ends
- Leak-proof cable sealing — no need to open the motor to change cable
- Built-in float switch available on single-phase models up to 2 HP
- Treashguard arrangement prevents solids build-up above the impeller
- Optional cooling jacket & spiral cutting plate / cutter
- Guiderail / fastout arrangement for pits up to 20 m deep
- Vertical Wet Pit variant with FLP / Non-FLP motor for hazardous areas
Technical Specifications
| Product | Waste Water / Non-Clog Submersible Pump — MW / WP / WR / WV / 4WC / ES Series |
| Rating | Up to 300 HP |
| RPM | 1450 / 960 (Non-Clog & Wet Pit) / 2900 (Waste Water series) |
| Frequency | 50 Hz (60 Hz on request) |
| Supply | Three phase – 415 V |
| Starting | DOL |
| Motor | Wet type / Dry type, FLP / Non-FLP (Vertical Wet Pit) |
| Liquid Temperature | Max 40°C |
| Liquid Density | Max 1100 kg/m³ |
| Suitable pH | 6 to 8 |
| Strainer Hole Size | Up to 100 mm (Non-Clog) / Up to 50 mm (Waste Water) |
| Impeller | CA-15, CF8, CF8M, various grades of CI |
| Shaft | AISI-410, SS-304, SS-316 |
| Column Length (Vertical Wet Pit) | 0.5 m to 6 m |
| Mechanical Seal | SiC vs SiC, TC vs TC |
Related Darling Pumps Products
Submersible Dewatering Pump
DS, DJ, DJC, TH, TL & JL series up to 100 HP for construction & mining sites
- Wear-resistant SS impeller passing solids up to 25mm
- Inbuilt controller against dry running & single phasing (up to 10 HP)
- Ideal for basement, storm water & mine dewatering
Submersible Slurry Pump
Dredger, 4HD & Cantilever series for heavy abrasive slurries
- Abrasive-resistant impeller & replaceable High Chrome/Ni-Hard wear parts
- Handles up to 65% solid concentration by weight
- Built-in agitator & waterjet arrangement for desettling
Clear and Raw Water Pumps
S & M series open-well pumps for clear & raw water up to 300 HP
- Compact design, can be installed vertically or inclined
- Head up to 140 m in a maximum of 4 stages
- Popular for agriculture, industrial & municipal water supply