Pentax Three Phase Stainless Steel Deep Well Pump - 4ST100 Series

The Pentax 4ST100 Series is a range of three-phase 4-inch stainless steel deep well submersible pumps engineered for high-performance water extraction from boreholes, deep wells, reservoirs, and underground water sources. Designed for agricultural irrigation, commercial water supply, industrial applications, and municipal water projects, the 4ST100 Series delivers exceptional efficiency, reliable operation, and long service life in demanding environments. Constructed with corrosion-resistant stainless-steel components and precision-engineered hydraulic stages, these pumps are ideal for applications requiring higher flow rates, greater pumping heads, and continuous-duty operation. The series is specifically designed to operate with Pentax 4-inch three-phase submersible motors for optimal performance and durability. Key Features 4-inch stainless steel deep well pump design Three-phase operation for demanding applications Stainless steel construction for corrosion resistance Corrosion-resistant stainless-steel construction High hydraulic efficiency and performance Compatible with Pentax 4-inch submersible motors Specifications Series: 4ST100 Series Pump Type: Deep Well Submersible Pump Pump Body: Stainless steel Pump Diameter: 4" (100mm) Pump Shaft: Stainless Steel Installation: Vertical Installation Phase: Three Voltz: 380V–415V Maximum amount of sand in water:150 g/m³ Frequency: 50Hz Outlet: 1¼” Liquid Temperature: max 35 °C Motor Shaft Material: stainless steel Rotor Material: polycarbonate & stainless steel Insulation Class: B Protection Degree: IP58 Models 4ST100-35A - 4HP (2.98KW) Maximum Flow Rate: 6.0 m³/h (100 liters per minute) Maximum Lifting Height (Head): 217 meters 4ST100-48A - 5.5HP (4.1KW) Maximum Flow Rate: 6.0 m³/h (100 liters per minute) Maximum Lifting Height (Head): 299 meters 4ST140-49A - 7.5HP (5.5KW) Max. Flow Rate: Up to 8,400 liters per hour (140 L/min) Max. Lifting Height (Head): Up to 302 meters The 4ST100 Series is designed for users requiring dependable borehole pumping with the power and efficiency of three-phase operation. Its stainless-steel construction ensures durability in harsh environments, while the advanced hydraulic design provides reliable water delivery and lower operating costs.