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4-Inch Deep Well Pump 4ST - High Strength Plastic Impeller, Durable Motor - China Suppliers & Factory
Mode Code
Applications
- Water supply
- irrigation
- Pressure boosting
General Specifications Pump
- Delivery: up to 24 m3/h at 2850 rpm.
- Head: up to 322 m at 2850 rpm.
- Maximum permissible quantity of sand: 150g/m3.
- ST05-ST07-ST10-ST13-ST18 models 11/4”discharge.
- ST25 model 11/2”discharge.
- ST35-ST40-ST55-ST60-ST8O models 2”discharge.
Discharge Head and Motor Adaptor
are precision machined cast 304 stainless steel for superior strength and durability. The motor adaptor is NEMA standard.
Impellers are floating type made with Noryl ®
for a superior sand handling. Together with glass filled polycarbonate diffusers make the super strong pumps for maximum wear and abrasive resistance. The materials are FDA compliant materials.
Impeller Bowls
are made from 304 stainless steel, maximizing wear from abrasion.
Shaft Coupling
is made from 304 stainless steel for easy alignment to the motor shaft.
Strainer
is made from stamped 304 stainless steel for rigidity.
Non-Return valve
made from 304 stainless steel, fitted in the discharge to prevent any back flow of water and alleviate any water hammer to the pumps.
Pump Shaft
is made from hex 304 stainless steel bar material for high corrosion resistance.
Bearing
is made with Polyacetal for strong wear and abrasive resistance.
Pump body
is covered by a 1.5mm thick 304 polished stainless steel casing, ensures optimum resistance to abrasion.
Frequently Asked Questions
What are the primary applications for this pump series?
This pump series is designed for water supply, irrigation, and pressure boosting applications.
What is the maximum amount of sand the pump can handle?
The pump can tolerate a maximum permissible quantity of sand up to 150g/m³.
What materials are used for the impellers and diffusers?
The impellers are floating type made with FDA-compliant Noryl® for superior sand handling, combined with glass-filled polycarbonate diffusers for maximum wear and abrasive resistance.
Does the pump feature protection against backflow?
Yes, a non-return valve made from 304 stainless steel is fitted in the discharge to prevent any backflow of water and alleviate water hammer.
What is the performance range regarding delivery and head?
The pump delivers up to 24 m³/h and can reach a head of up to 322 m at 2850 rpm.
What are the discharge sizes for the different models?
The discharge sizes are 1 1/4” for ST05-ST18 models, 1 1/2” for ST25 models, and 2” for ST35-ST80 models.