SPA MULTISTAGE CLEAN WATER SUBMERSIBLE PUMP

Component

Pump Body: Cast Iron with special anti-rust treatment

Motor Housing: AISI 304

Impeller: Cast Iron

Motor Shaft: Carbon Steel, 304SS weld if request

Mechanical Seal: Ceramic/Graphite

Cable: 10m cable with plug

Operating Condition

Liquid Temperature up to 60°C

Ambient Temperature up to 40°C

5m maximum immersion depth

Motor

1~220V/50Hz, 110V/60Hz, 220V/60Hz on request

Insulation Grade: Class B

Protection: IPX8

Continuous Work S1

Model Parameters

Product Summary

The SPA6 Multistage Clean Water Submersible Pump is a vertically staged centrifugal pump designed for consistent clean water delivery across residential, agricultural, and commercial installations. Built with an AISI 304 stainless steel motor housing, an anti-rust treated cast iron pump body, and a ceramic/graphite mechanical seal, the SPA6 multistage pump covers head requirements from 32.5 to 65 meters at a rated flow of 18 m³/h. Four models spanning 1.1 to 2.2 kW support both 50Hz and 60Hz electrical systems, and the IPX8-rated sealed motor makes this clean water submersible pump suitable for continuous submerged operation.

Detailed Description

The SPA6 Series delivers what single-stage submersible pumps fundamentally cannot: elevated head output within a compact pump body, achieved by stacking multiple impeller stages vertically inside the casing. Where a single-stage design hits its hydraulic ceiling around 15–20 meters of head, the SPA6 multistage submersible pump reaches 65 meters on the top model — an operating range that opens up high-rise building supply, elevated irrigation, and pressurized clean water transfer between storage tanks at different heights.

The AISI 304 stainless steel motor housing is the material choice that sets the SPA6 apart from budget alternatives in this category. Stainless steel at this grade handles the constant moisture contact and temperature cycling that comes with permanent submersion better than coated carbon steel or aluminum alternatives. The cast iron pump body receives an anti-rust surface treatment, providing structural rigidity while keeping the overall weight manageable across the full SPA6 multistage clean water pump range.

Each unit ships with a 10-meter power cable and plug. No additional specialized wiring is required for standard single-phase residential or light commercial connections, making field installation straightforward for contractors and end users working with standard supply circuits.

Key Product Features

• Multistage Impeller Design: Achieves heads from 32.5 to 65 meters — well beyond single-stage submersible pump limits at equivalent power, covering high-rise building supply and agricultural pressurization applications
  
  
• AISI 304 Stainless Steel Motor Housing: Corrosion-resistant enclosure for long-term submerged operation in clean water service
  
  
• Anti-Rust Cast Iron Pump Body: Surface-treated casing extends mechanical service life under normal operating conditions
  
  
• IPX8 Motor Protection: Fully sealed for continuous operation at submersion depths up to 5 meters
  
  
• S1 Continuous Duty Rating: The SPA6 clean water pump is rated for uninterrupted operation, supporting extended daily run cycles in irrigation and pressurization systems
  
  
• Global Voltage Compatibility: 220V/50Hz standard; 110V/60Hz and 220V/60Hz available on request for export markets

Engineering Advantages

The multistage design used in the SPA6 submersible pump distributes hydraulic work across several impeller stages rather than concentrating full pressure demand on a single stage. Each impeller operates at a lower differential pressure than a single-stage equivalent, which means less mechanical stress per stage and more predictable wear patterns across the pump’s service life. For commercial installations and project supply teams, this characteristic supports a more structured maintenance schedule compared to high-pressure single-stage units working at the limits of their hydraulic range.

Thermal management in the SPA6 multistage submersible pump relies on the surrounding liquid rather than a dedicated cooling component. Running fully submerged means the motor is continuously cooled by the pumped fluid — no external fan or secondary cooling circuit required. In S1 continuous-duty operation, this passive cooling removes a source of mechanical complexity while maintaining stable motor temperatures across extended run periods.

A built-in thermal protector provides an additional safety layer, cutting the circuit automatically if motor temperature approaches a critical threshold under unexpected conditions such as restricted flow or reduced submersion depth. This kind of integrated protection is particularly relevant for installations where the SPA6 multistage pump runs unattended for extended periods.

Primary Applications

The SPA6 multistage clean water submersible pump is well-suited to a range of applications where elevated head output is required:

• Residential and commercial high-rise building water pressurization and supply
  
  
• Agricultural and orchard irrigation systems requiring consistent pressure over longer vertical distances
  
  
• Clean water transfer between storage tanks or reservoirs at different elevations
  
  
• Municipal and infrastructure booster supply systems in development projects
  
  
• Light industrial process water supply where elevated pressure is a system requirement
  
  
• Fountain and decorative water feature pressurization requiring stable head output

Business Value

For distributors and procurement teams, the SPA6 Series offers a structured commercial advantage. Four models within a single product line cover head requirements from 32.5 to 65 meters, enabling buyers to address diverse project specifications without sourcing across multiple pump families. The AISI 304 stainless steel housing and anti-rust body treatment signal quality to end buyers — a concrete selling point in export markets where installation longevity is a purchasing priority and after-sales service visits carry real cost. A consistent 185mm body width across all four models simplifies field service parts stocking for distributors managing multiple installed SPA6 multistage pump units across different projects. Global voltage availability — 50Hz as standard and 60Hz configurations on request — positions the SPA6 clean water submersible pump for export-oriented supply chains serving buyers across Asia, Europe, and the Americas from a unified inventory.

FAQ

Q: What maximum head does the SPA6 multistage submersible pump reach?

The SPA6 Series covers 32.5 to 65 meters of maximum head. The SPA6-28/2-1.1F delivers 32.5m, the SPA6-39/3-1.5F reaches 39.5m, the SPA6-50/4-1.8F achieves 50m, and the SPA6-65/5-2.2F tops out at 65 meters — all at a rated flow of 18 m³/h across the complete model range.

Q: Can the SPA6 pump handle dirty water or suspended particles?

No. The SPA6 is a clean water submersible pump and should only be operated with particle-free liquid. Running with dirty water or abrasive solids accelerates wear on the ceramic/graphite mechanical seal and cast iron impeller. Applications involving sewage, suspended solids, or chemically aggressive media require purpose-built pump products for those specific conditions.

Q: Is the SPA6 clean water submersible pump available in 60Hz configurations?

Yes, on request. The standard build is 220V/50Hz. Units configured for 110V/60Hz or 220V/60Hz are available for North American, Japanese, and other 60Hz markets. Confirm the required voltage and frequency specification when placing an order.

Q: How deep can the SPA6 multistage pump be installed?

The SPA6 is rated for submersion up to 5 meters. Installations beyond this depth fall outside the design envelope and may reduce long-term seal performance and motor protection reliability. For deeper installation requirements, a deep well submersible pump designed for greater submersion depth would be the appropriate product selection.