Sj4 Inch Stainless Steel Deep Well Submersible Pump

• Model No.: SJ
• Working Pressure: High Pressure Pump
• Position of Pump Shaft: Vertical Pump
• Trademark: AOLI
• Origin: Shanghai, China

• Impeller Number: Multistage Pump
• Influent Type of Impeller: Single Suction Pump
• Catalog: Water Pump
• Specification: SGS, ISO9001

4-inch stainless steel deep well submersible pump – ideal for a wide range of water supply and irrigation needs. This high-performance pump is designed for both civil and industrial applications, with a special focus on deep well operations.

Key Performance Features:

• Perfect for water supply systems
• Excellent for agricultural irrigation
• Suitable for both residential and commercial use
• Designed for deep well environments

Operating Limits:

• Maximum water temperature: 35°C
• Minimum well diameter: 100mm
• Minimum immersion depth: 40mm
• Maximum sand content in water: 25g/m³

Structural Characteristics:

• External casing made of AISI 304 stainless steel
• Impeller constructed from plastic POM
• Diffuser available in AISI 304 stainless steel or PC plastic
• Wear ring made of AISI 304 stainless steel
• Shaft composed of AISI 430 stainless steel
• Delivery casing available in AISI 304 stainless steel or forged brass
• Suction lantern made of forged brass
• Strainer made of AISI 430 stainless steel
• Motor coupled directly to an asynchronous, high-efficiency DAFU induction motor
• Insulation class B, protection IP 68
• Integrated non-return valve in the delivery casing
• Voltage and frequency can be customized as per request