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Stenner Peristaltic Dosing Pumps

Stenner Peristaltic Dosing Pumps

Shop Stenner peristaltic dosing pumps for reliable chemical injection across water treatment, irrigation, agriculture and industrial applications. Their valveless, self-priming design can handle off-gassing chemicals without vapour locking and run dry without damaging the pump.

Choose from adjustable and fixed-output models, including single-head and double-head configurations for different dosing capacities. Stenner pumps feature replaceable pump tubes and straightforward maintenance, making them a dependable choice for chlorine dosing, pH adjustment, fertigation and general chemical injection.
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Stenner Quick Comparison Matrix

Compare Stenner Peristaltic dosing pump models by flow range, dosing ratio, application and connection size.

Full Technical Sheet
Series Typical Use Flow Range Dosing Ratio Best For Connection
Stenner Classic 170 Series Water Treatment / Wastewater Treatment 1.07-21.45 L/h 5%-100% High Flow 6 mm
Stenner Classic 45 Series Water Treatment / Industrial Processing 0.03-5.05 L/h 5% –100% High Pressure 6 mm
Stenner Classic 85 Series Water Treatment / Industrial Processing 0.04-10.73 L/h 5% –100% Medium Flow 6 mm
Stenner Econ E10 Series Water Treatment / Irrigation 0.0013-2.20 L/h 2% - 100% Low Flow 6 mm
Stenner Econ E20 Series Water Treatment / Irrigation 0.43-6.11 L/h 2% –100% Medium Flow 6 mm
Stenner S30 Series Water Treatment / Industrial Processing 0.008-13.41 L/h 1% –100% Digital Control 6 mm
Stenner S40 Series Water Treatment / Industrial Processing 0.09-9.46 L/h 1% –100% High Flow 9.5 mm
Stenner S50 Series Water Treatment / Industrial Processing 0.51–49.68 L/h 1% –100% High Flow 9.5 mm

Stenner Pumps Frequently Asked Questions

FAQ

What is a Stenner pump?


A Stenner pump is a peristaltic chemical dosing pump designed to accurately inject liquid chemicals into water and process systems. It uses a rotating roller mechanism to compress flexible tubing, providing reliable, low-maintenance chemical dosing.

What are Stenner pumps used for?

Stenner pumps are commonly used for water treatment, wastewater treatment, irrigation, commercial pools, cooling towers, industrial processing and chemical injection applications.

How does a Stenner peristaltic pump work?

A Stenner pump moves liquid by compressing a flexible pump tube with rotating rollers. As the rollers rotate, they create suction to draw chemical into the pump and discharge it into the dosing system without the chemical contacting internal mechanical parts.

What chemicals can Stenner pumps dose?

Stenner pumps are suitable for many chemicals including sodium hypochlorite, chlorine, hydrogen peroxide, acids, alkalis, liquid fertilisers and other compatible treatment chemicals. Always check chemical compatibility before selecting a pump.

Are Stenner pumps self-priming?

Yes. Stenner peristaltic pumps are self-priming and can quickly draw chemical from storage tanks without requiring manual priming.

Can a Stenner pump run dry?

Yes. Stenner pumps are designed to safely run dry without damaging the pump mechanism, making them highly reliable in demanding applications.

Do Stenner pumps require frequent maintenance?

No. Routine maintenance is minimal and generally involves replacing the pump tube at recommended service intervals to maintain accurate dosing performance.

What is the difference between adjustable and fixed-output Stenner pumps?

Adjustable models allow the dosing rate to be manually varied, while fixed-output models deliver a constant flow rate whenever the pump operates.

What is the advantage of a digital Stenner pump?

Digital Stenner pumps offer programmable dosing, multiple operating modes, digital displays and improved dosing accuracy for automated chemical dosing systems.

What is a peristaltic dosing pump?

A peristaltic dosing pump transfers liquid by squeezing a flexible tube rather than using valves or diaphragms. This design provides accurate dosing while minimising maintenance.

Can Stenner pumps handle corrosive chemicals?

Yes. Stenner pumps are designed to handle many corrosive and aggressive chemicals when fitted with the appropriate pump tube and wetted materials.

Are Stenner pumps suitable for continuous operation?

Yes. Many Stenner pump models are designed for continuous-duty operation in commercial and industrial dosing applications.

What industries use Stenner pumps?

Stenner pumps are widely used in water treatment, agriculture, irrigation, commercial pools, wastewater treatment, food processing, manufacturing and industrial chemical dosing.

Can Stenner pumps handle off-gassing chemicals?

Yes. The peristaltic design resists vapour lock, making Stenner pumps well suited to dosing off-gassing chemicals such as sodium hypochlorite.

How accurate are Stenner dosing pumps?

Stenner pumps are designed to provide consistent and repeatable chemical dosing when correctly installed and maintained.

How do I choose the right Stenner pump?

Select a pump based on the required flow rate, operating pressure, chemical compatibility, control method and application. Adjustable, variable-speed and digital models are available to suit different dosing requirements.

What is the benefit of a double-head Stenner pump?

Double-head models provide higher dosing capacity or allow two compatible chemicals to be injected simultaneously using a single motor.

How often should the pump tube be replaced?

Pump tube replacement intervals depend on the pump model, operating hours and the chemical being dosed. Regular inspection and scheduled replacement help maintain dosing accuracy and reliability.

Why choose a Stenner peristaltic dosing pump?

Stenner pumps are known for their accuracy, reliability, self-priming operation, dry-run capability and simple maintenance, making them a trusted solution for water treatment, industrial processing and chemical dosing applications.

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