Zenit DG Blue 50 Series 0.37kW 240v Cast Iron Vortex Drainage Pump (Max 290LPM/80kPa)

The Zenit DG Blue 50 is a compact and robust vortex drainage pump engineered for reliable dirty water handling in residential and light commercial applications. Designed for soiled biological wastewater and sewage, it delivers a maximum flow of 290 litres per minute with a head of up to 8 metres, making it the ideal choice for sumps, pits, garages, workshops, and domestic lift stations.

Built with a rugged cast iron casing and a recessed vortex impeller, the DG Blue 50 guarantees trouble-free solids handling up to 40 mm, while its IECEx Zone 2 approval means safe operation in hazardous areas with flammable vapours or gases.

FEATURES

• IECEx Zone 2 Approved — Fully certified for operation in explosive atmospheres (Ex nA nC IIC T3 Gc)
• Set-Back Vortex Impeller — Handles solids up to 40 mm while preventing fouling
• Durable Cast Iron Hydraulics — Heavy-duty casing and impeller in EN-GJL 250 cast iron
• Ergonomic Technopolymer Handle — Lifting handle with float switch clip for easy adjustment
• Twin O-Ring Cable Gland — Innovative sealing system for maximum tightness and cable protection
• Dry Motor with Thermal Protection — Includes internal startup capacitor and float switch on the cover
• Dual Mechanical Seals — One silicon carbide (SiC) and one alumina graphite (AL) seal plus V-ring in direct contact with the liquid
• Inspectable Oil Sump — Protects the seals and extends service life, easily accessed for maintenance
• Impact-Resistant Polypropylene Support Foot — Provides stability in wet installation
• Quiet Operation — Runs below 70 dB when submerged

SPECIFICATIONS

• Brand: Zenit Pumps
• Series: Blue – DG Vortex
• Product Type: Vortex Submersible Pump
• Suitable For: Dirty water
• Power Supply: 240 V, 50 Hz (Single-phase)
• Rated Power (P2): 0.37 kW / 0.5 HP
• Max Flow Rate: 290 L/min (4.8 L/s)
• Max Head: 8 m (0.8 bar / 80 kPa)
• Outlet Size: 1½” BSPF (G 1½”)
• Impeller Type: Set-back vortex impeller
• Free Passage: 40 mm
• Motor Poles: 2 Pole (~2900 RPM)
• Motor Type: Dry asynchronous motor with thermal protection, internal capacitor, float switch
• Duty Cycle: Continuous (S1)
• Max Liquid Temperature: 40°C
• Max Immersion Depth: 10 m
• 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 (3G1) with Shuko plug
• Weight: ~13 kg (excluding cable & fixing system)
• Certification: IECEx Ex nA nC IIC T3 Gc
• Warranty: 24 Months (Parts & Labour)

APPLICATIONS

• Domestic soiled wastewater and biological sewage drainage
• Small household sumps and lift stations
• Carparks, workshops, garages, and underground pits
• Rainwater collection pits with suspended solids
• Any residential dirty water application where reliable vortex performance is needed