High Precision Pump For Water Treatment Industry

The working principle of a gear metering pump involves transporting material from the inlet to the outlet via a sealed cavity formed by a pair of meshing gears and the pump body; at the outlet, the meshing action of the gears reduces the volume of this sealed cavity, thereby forcing the material out of the pump.

Available in 304 / 316L stainless steel housing, hardened 440SS gear option. Sealing materials include EPDM, PTFE and FFKM to resist weak acid, weak alkali and chloride-containing chemicals. It can deliver flocculant, scale inhibitor, biocide, sodium hypochlorite, heavy metal capture agent, PAC, PAM and other water treatment chemicals.

Advantage of high precision for water treatment industry

Metering repeatability: ±0.5%, linear flow control, stable micro dosing.

Low pulsation output, uniform chemical concentration, consistent water quality.

Support 4-20mA signal, compatible with PLC for automatic proportional dosing.

Optional heating/cooling jacket to prevent crystallization of high-viscosity reagents.

Easy disassembly and cleaning, good self-priming performance.

Applications:

RO/NF/UF membrane water treatment, reclaimed water reuse, industrial wastewater, circulating cooling water, pure water production, electroplating wastewater treatment.

FAQ:

Q: What chemicals can this gear pump handle for water treatment?

A: It is suitable for scale inhibitors, biocides, sodium hypochlorite, PAM, PAC, heavy metal scavenger and other additives. Material and seal can be customized according to your chemical medium.

Q: What is the difference between gear metering pump and traditional diaphragm metering pump?

A: Gear metering pump has much lower pulsation, better stability for continuous small flow. It works better for high viscosity additives. Diaphragm pumps are more common for very corrosive low-viscosity liquid at low pressure.

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