Zenit DDG750 Cast Iron 2 Pole Industrial Vortex Drainage Pump (Max 1680LPM/160kPa)

The Zenit DDG 750 is a powerful, high-capacity industrial vortex drainage pump engineered for moving heavily contaminated water and sewage in demanding municipal, civil, and industrial applications. Capable of handling up to 1680 litres per minute (28 L/s) with a maximum head of 16 metres, this pump combines robust performance with ATEX Ex d flameproof certification, making it suitable for hazardous installations.

With a rugged cast iron build, large solids handling capacity, and an open vortex impeller, the DDG 750 delivers efficient and reliable performance in environments with high solids, fibres, or sludge content.

FEATURES

• ATEX Ex d Certified — Safe for explosive atmospheres (Ex db IIB T4 Gb, Ex h IIB T4 Gb)
• High Solids Handling — Set-back vortex impeller with 80 mm free passage
• Rugged Cast Iron Construction — Casing and impeller in EN-GJL 250 for superior durability
• Heavy-Duty Motor — 2-pole motor with high-speed operation for maximum flow
• Dual Silicon Carbide Mechanical Seals — Enclosed in a large oil chamber with leakage detection sensor
• Universal Cable Gland — GAS thread design accepts sheathing for enhanced cable protection
• Wet Installation — Designed for use with base plate (ZENS9024.114) for free-standing operation
• Pressure Tested — Factory-tested for seal and gasket integrity

SPECIFICATIONS

• Brand: Zenit Pumps
• Series: Grey – DDG
• Pump Type: Submersible Vortex Drainage Pump
• Rated Power (P2): 5.5 kW / 7.5 HP
• Supply Voltage: 415 V, 3-phase, 50 Hz
• Max Flow Rate: 1680 L/min (28 L/s)
• Max Head: 16 m (160 kPa / 1.6 bar)
• Impeller Type: Set-back vortex
• Free Passage: 80 mm
• Outlet Size: DN 80 (EN 1092-2 flanged, undrilled)
• Motor Poles: 2 Pole (~2866 RPM)
• Motor Efficiency: 87%
• Insulation Class: H
• Ingress Protection: IP68
• Cable Length: 10 m (4G1.5 + 3x1)
• Coating: Bi-epoxy 200 µm, seawater resistant
• Max Starts Per Hour: 30
• Max Liquid Temp: 40°C
• Max Fluid Density: 1100 kg/m³
• pH Range: 6 – 14
• Noise Level: <70 dB (submerged)
• Weight: 74.3 kg (excluding base/guide system)
• Certification: ATEX II 2G – Ex db IIB T4 Gb, Ex h IIB T4 Gb
• Warranty: 12 Months (Parts & Labour)

APPLICATIONS

• Industrial wastewater and sewage lift stations
• Municipal stormwater pits and drainage wells
• Civil water treatment plants
• Livestock or agricultural effluent handling
• Underground carparks or heavy-use commercial pits
• Any installation needing high-volume solids handling with ATEX safety