Zenit DRG 550 4.00kW 415v Cast Iron 2 Pole Drainage Pump (Max 2210LPM/170kPa)

The Zenit DRG 550 is a powerful, ATEX-certified industrial drainage pump in the Zenit Grey Series, designed to handle the toughest wastewater challenges with high flow capacity and dependable performance. Delivering up to 2210 litres per minute with a head of up to 17 metres, this robust pump is ideal for industrial and civil wastewater lifting, stormwater handling, and sludge transfer in demanding conditions.

Its multi-channel open impeller ensures reliable handling of suspended solids and fibrous materials, while heavy-duty cast iron construction guarantees durability and low maintenance costs. With ATEX Ex d flameproof certification, the DRG 550 is safe for installation in potentially explosive atmospheres.

FEATURES

• ATEX Certified Ex d — Approved for explosive atmospheres (II 2G Ex db IIB T4 Gb, Ex h IIB T4 Gb)
• Exceptional Flow and Head Performance — Handles up to 2210 L/min with a max head of 17 m
• Multi-Channel Open Impeller — Passes solids up to 55 x 50 mm
• Heavy-Duty Cast Iron Construction — Pump casing and impeller in EN-GJL 250 for longevity
• Stainless Steel Shaft (AISI 431) — Provides corrosion resistance and robust strength
• Dual Silicon Carbide Mechanical Seals (2SiC) — Enclosed in a large oil chamber with integrated leakage sensor
• Leakage Detection System — Monitors mechanical seals to prevent damage and unplanned downtime
• Anti-Clogging Hydraulics — Prevents fouling and ensures solids expulsion
• Universal GAS Thread Cable Gland — Protects the power cable in aggressive environments
• Factory Pressure Tested — Verified for gasket and seal integrity before dispatch
• Vertical Discharge with Base Coupling — Designed for stable fixed installation
• Three-Phase Protection — Use with external contactor and overload for safe connection

SPECIFICATIONS

• Brand: Zenit Pumps
• Series: Grey – DRG Multi-Channel
• Power Supply: 415 V, 50 Hz (Three-phase)
• Rated Power (P2): 4.00 kW / 5.5 HP
• Max Flow Rate: 2210 L/min (36.8 L/s)
• Max Head: 17 m (1.7 bar / 170 kPa)
• Current Draw: ~7.7 A
• Outlet Size: DN 80 (EN 1092-2 Flanged)
• Impeller Type: Multi-channel open impeller
• Free Passage: 55 x 50 mm
• Motor Poles: 2 Pole (~2900 RPM)
• Motor Type: Dry asynchronous motor with thermal protection and leakage sensor
• 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: ~68.6 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