Zenit DRG 400 3.00kW 415v Cast Iron 2 Pole Drainage Pump (Max 1720LPM/210kPa)

The Zenit DRG 400 is a high-performance, ATEX-certified submersible drainage pump from the trusted Zenit Grey Series, purpose-built for industrial and professional wastewater handling where maximum flow and reliability are required. Combining a rugged multi-channel open impeller and robust cast iron hydraulics, the DRG 400 delivers an outstanding maximum flow of 1720 litres per minute and a total head of up to 21 metres.

Suited for civil sewage lift stations, industrial plants, stormwater pits, wastewater treatment, or agricultural applications, the DRG 400 operates safely in potentially explosive atmospheres thanks to its ATEX Ex d flameproof certification.

FEATURES

• ATEX Certified Ex d – Approved for use in explosive atmospheres (II 2G Ex db IIB T4 Gb, Ex h IIB T4 Gb)
• Exceptional Flow & Head Performance – Up to 1720 L/min (28.7 L/s) and 21 m max head
• Multi-Channel Open Impeller – Passes solids up to 40 x 35 mm with ease
• Heavy-Duty Cast Iron Construction (EN-GJL 250) – Engineered for tough wastewater applications
• Rugged Stainless Steel Shaft (AISI 431) – Strong and corrosion-resistant
• Dual Silicon Carbide Mechanical Seals (2SiC) – Enclosed in a large oil chamber for long seal life
• Integrated Leakage Detection Sensor – Monitors seal chamber to prevent damage
• Anti-Clogging Hydraulic Design – Open impeller ensures free passage of solids and prevents fouling
• Universal GAS Thread Cable Gland – Accepts protective sheathing to shield the power cable
• Factory Pressurised Testing – Each pump is tested to ensure perfect gasket and seal integrity
• Requires Base Coupling Device for Fixed Installations – For vertical discharge
• Three-Phase Protection – Must be connected with suitable external contactor and overload

SPECIFICATIONS

• Brand: Zenit Pumps
• Series: Grey – DRG Multi-Channel
• Power Supply: 415 V, 50 Hz (Three-phase)
• Rated Power (P2): 3.00 kW / ~4.0 HP
• Max Flow Rate: 1720 L/min (28.7 L/s)
• Max Head: 21 m (2.1 bar / 210 kPa)
• Current Draw: 6.4 A
• Outlet Size: DN 80 (EN 1092-2 Flanged)
• Impeller Type: Multi-channel open impeller
• Free Passage: 40 x 35 mm
• Motor Poles: 2 Pole (~2880 RPM)
• Motor Type: Dry asynchronous motor with thermal protection and leakage detection
• Duty Cycle: Continuous (S1)
• Max Liquid Temperature: 40°C
• pH Range: 6 – 14
• Max Fluid Density: 1100 kg/m³
• Max Starts per Hour: 30
• Noise Level: <70 dB (submerged)
• Ingress Protection: IP68
• Insulation Class: F
• Cable: 10 m (4G1.5 + 3x1)
• Weight: ~48 kg (excludes base plate and guiding system)
• Certification: ATEX Ex db IIB T4 Gb, Ex h IIB T4 Gb
• Warranty: 12 Months (Parts & Labour)

APPLICATIONS

• Stormwater drainage and wastewater treatment plants
• Civil sewage lift stations
• Livestock farms and agricultural wastewater
• Industrial wastewater systems
• Underground carparks and stormwater pits
• Pumping low or medium-density activated sludge or liquids with solids and fibres