Zenit DRG 400 3.00kW 415v Cast Iron 4 Pole Drainage Pump  (Max 2090LPM/140kPa)

The Zenit DRG 400 is a heavy-duty, ATEX-certified submersible drainage pump from the Zenit Grey Series, designed for medium head, high-flow drainage and wastewater handling in civil and industrial settings. Delivering up to 2090 litres per minute with a head of up to 14 metres, this unit’s 4-pole motor offers robust, reliable performance at lower operating speeds — perfect for continuous-duty operations in demanding conditions.

Featuring a rugged multi-channel open impeller and a large free passage for solids, the DRG 400 safely handles clear or slightly soiled water with suspended solids. Cast iron hydraulic components, dual silicon carbide mechanical seals, and an integrated leakage detection system ensure safe, durable operation. ATEX Ex d flameproof certification makes it ideal for installations in potentially explosive atmospheres.

FEATURES

• ATEX Certified Ex d — Safe for use in explosive atmospheres (II 2G Ex db IIB T4 Gb, Ex h IIB T4 Gb)
• Medium Head & High Flow — Up to 2090 L/min (34.8 L/s) with a 14 m max head
• 4-Pole Motor Design — Provides high torque and low wear at lower speeds (~1383 RPM)
• Multi-Channel Open Impeller — Passes solids up to 75 mm in diameter
• Heavy-Duty Cast Iron Casing & Impeller — EN-GJL 250 for rugged durability
• Stainless Steel Shaft (AISI 431) — Corrosion-resistant, with tapered coupling to impeller
• Dual Silicon Carbide Mechanical Seals (2SiC) — Enclosed in a large oil chamber with integrated leakage sensor
• Leakage Detection System — Monitors seal chamber for maximum protection
• Universal GAS Thread Cable Gland — Allows protective sheathing to guard the power cable
• Factory Pressure Tested — Guarantees seal and gasket integrity for peace of mind
• Base Plate Installation — DN 80 flanged outlet for stable vertical discharge
• Three-Phase Safety — Must be installed with external contactor and overload for safe operation

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: 2090 L/min (34.8 L/s)
• Max Head: 14 m (1.4 bar / 140 kPa)
• Current Draw: 6.7 A
• Starting Current: 38.2 A (direct start)
• Outlet Size: DN 80 (EN 1092-2 Flanged)
• Impeller Type: Multi-channel open impeller
• Free Passage: 75 mm
• Motor Poles: 4 Pole (~1383 RPM)
• Motor Type: Dry asynchronous motor with thermal protection and leakage sensor
• Hydraulic Efficiency: Up to 63.7%
• 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: ~61.8 kg (excludes base plate and guide system)
• Certification: ATEX Ex db IIB T4 Gb, Ex h IIB T4 Gb
• Warranty: 12 Months (Parts & Labour)

APPLICATIONS

• Stormwater and wastewater treatment plants
• Civil sewage and lifting systems
• Livestock farms and agricultural wastewater
• Underground car parks and stormwater pits
• Industrial water treatment and process waste
• Ideal for liquids containing suspended solids, filaments or low-density sludge