U18S-400/4T All-SS Multistage Water Pump 400l/min 43.4m Domestic
HIGH-EFFICIENCY MULTI-STAGE POWER: Features a 4-stage hydraulic design delivering a strong water flow rate up to 400 L/min (24 m³/h) and a max pressure head of 43.4 meters for smooth, reliable water pressure.
ULTRA-LOW ENERGY CONSUMPTION: Driven by an efficient 3 kW (4 HP) motor that optimizes power draw to deliver maximum hydraulic output, keeping electricity bills exceptionally low during daily use.
EXTREME TEMPERATURE TOLERANCE (-15°C to +110°C): Handles liquid temperatures from -15°C up to +110°C, making it ideal for hot water systems, heating, air conditioning, cooling, and glycol distribution.
100% STAINLESS STEEL HYDRAULICS: Built for lifetime rust-free, hygienic performance with an AISI 304 stainless steel pump casing, shaft, and stainless steel impellers, paired with food-grade ceramic-graphite-EPDM seals.
WHISPER-QUIET & CERTIFIED QUALITY: Multi-stage impellers divide the workload for smooth, quiet indoor operation. Features WRAS approval availability and reliable 3-phase 400V power for heavy-duty continuous use.
Product information
The Pentax ULTRA S U18S-400/4T is a premium, all-stainless steel Italian multi-stage horizontal centrifugal electric water pump designed for domestic, commercial, and industrial applications. Built with a heavy-duty AISI 304 stainless steel pump body, motor shaft, and stainless steel impellers, it guarantees 100% rust-free, safe operation for drinking water distribution, pressure boosting, water treatment, and washing systems.
Unlike standard pumps with plastic impellers, the ULTRA S series uses internal stainless steel impellers, allowing it to withstand extreme temperature ranges from -15°C up to +110°C. It handles hot water heating systems, industrial chillers, and glycol cooling circuits effortlessly while running whisper-quietly inside your home or facility.
Engineered to save energy, its 4-stage hydraulic design delivers a high water flow rate of up to 400 L/min and a maximum operating pressure head of 43.4 meters while drawing only 3 kW (4 HP) of electricity. Complete with an aluminum motor bracket for fast heat dissipation, EPDM seals, and reliable 3-phase 400V power, the Pentax U18S-400/4T offers unmatched efficiency and durability.
Note: Suitable for clean non-loaded fluids, drinking water, glycol mixtures, and hot/cold liquids from -15°C to +110°C. Available in WRAS-approved versions.
Features & Specs
Model ULTRA S U18S-400/4T
Pump Type All-Stainless Steel Multi-Stage Horizontal Centrifugal Pump
Motor Power 4 HP 3 kW
Voltage Options 3~ 400V-50Hz
Max Flow Rate (Q max) 400l/min
Max Lift Head (H max) 43.4m Max Operating Pressure 8.5 bar Liquid Temperature Range -15 °C to +110 °C
Pump Body / Shaft Material Stainless Steel AISI 304 / Stainless Steel AISI 304
Impeller Material Stainless Steel AISI 304 (S Series Exclusive)
Mechanical Seal Ceramic-Graphite-EPDM
Certifications WRAS Approved version available
Protection / Insulation IPX4 / Class F Codes
U18S-400/4TDimension
Product Dimensions:
Weight: 26 kg