Shop Chemical Resistant Pumps & Chemical Centrifugal Pumps for Industrial Use

Explore our selection of chemical resistant pumps designed for demanding industrial environments. Built with corrosion-resistant materials such as Noryl, stainless components, and engineered polymers, these pumps ensure long-lasting performance even when exposed to harsh chemicals, acids, solvents, and high-temperature fluids.

Our chemical resistant pumps are ideal for laboratories, manufacturing plants, water treatment facilities, plating operations, and chemical processing applications. Each pump delivers reliable flow, energy-efficient operation, and consistent output to support safe and efficient fluid transfer.

Whether you need a compact centrifugal pump for light-duty applications or a high-performance unit for continuous industrial use, our collection offers dependable solutions engineered for durability and precision. These pumps help minimize downtime, reduce maintenance costs, and maintain safety standards in environments where chemical exposure is unavoidable.

Browse our collection to find the right chemical resistant pump for your system and ensure superior longevity, compatibility, and efficiency for your industrial operations.

Frequently Asked Questions

What is a chemical-resistant pump?

A chemical-resistant pump is built with wetted materials and a design selected to withstand a defined chemical service. The term does not mean universal compatibility. The casing, impeller, shaft, seal or containment system, elastomers, fittings, and fasteners must all be compatible with the exact chemical, concentration, temperature, solids, and operating conditions.

How do I choose a pump for corrosive chemicals?

Identify the chemical name, concentration, temperature, viscosity, specific gravity, vapor pressure, solids, required flow, total head, suction conditions, duty cycle, and installation environment. Then compare wetted materials, seal design, pump type, motor, connection size, and performance curve. Obtain manufacturer confirmation for severe, mixed, heated, or hazardous chemical service.

How is chemical compatibility verified for a pump?

Check every wetted component against manufacturer chemical-resistance data for the actual concentration and temperature. Include the casing, impeller, shaft, bushings, seals, O-rings, gaskets, hose or pipe connections, and any coating. Compatibility tables are a starting point; application testing or written manufacturer approval may be necessary for mixtures, impurities, elevated temperatures, or long-term continuous service.

What is the difference between a chemical-resistant centrifugal pump and a magnetic-drive pump?

A conventional centrifugal pump may use a mechanical shaft seal, while a magnetic-drive pump transfers torque through a containment shell and eliminates the conventional dynamic shaft seal. Magnetic-drive designs can reduce external leakage paths, but they may have limits involving solids, dry running, heat, viscosity, and containment materials. Choose by fluid, flow, head, suction conditions, maintenance strategy, and acceptable leakage risk.

Can a chemical-resistant pump handle acids, alkalis, or solvents?

It can only handle a specific acid, alkali, or solvent when the selected materials and design are rated for that chemical at the actual concentration, temperature, pressure, and exposure duration. A material suitable for dilute acid may not be suitable for concentrated or heated acid. Solvents can also affect plastics, elastomers, seals, and motor-area safety requirements.

When is a self-priming chemical pump appropriate?

A self-priming design may be useful when the pump is above the liquid level or the suction line must be evacuated during startup. Verify maximum suction lift, priming volume, allowable dry-run time, vapor handling, fluid temperature, viscosity, and the need for a foot valve or check valve. "Self-priming" does not eliminate correct suction-piping design.

Can submersible or sump pumps be used for chemical service?

Only models specifically rated for the chemical and immersion conditions should be used. Confirm motor isolation, cable-jacket compatibility, casing and impeller materials, elastomers, temperature, liquid level, solids, and continuous or intermittent duty. Standard sewage or water pumps should not be assumed suitable for corrosive liquids.

Which pump materials are commonly evaluated for corrosive service?

Depending on the chemical, options may include polypropylene, PVDF, CPVC, stainless alloys, specialty metals, ceramics, and compatible elastomers. The correct choice depends on the complete fluid composition, concentration, temperature, pressure, abrasion, and required purity. Material selection must cover every wetted part, not only the pump casing.

How do flow and head affect chemical pump selection?

The pump must operate near an efficient, stable point on its performance curve at the required flow and total dynamic head. Include static lift, pipe friction, fittings, valves, filters, fluid specific gravity, viscosity corrections, and future fouling. Oversizing can cause throttling, heat, vibration, or seal problems; undersizing may fail to meet process flow.

What maintenance is required for a corrosion-resistant pump?

Inspect for leakage, swelling, cracking, corrosion, vibration, noise, loss of flow, seal wear, bearing condition, blocked strainers, and piping stress. Follow the manufacturer's preventive-maintenance schedule and keep compatible spare seals, O-rings, bushings, or containment components. Flush or neutralize equipment safely before service according to the chemical's SDS and site procedures.

What affects the price of a chemical-resistant pump?

Price depends on pump type, flow, head, motor, wetted materials, seal or sealless design, temperature rating, certifications, controls, and accessories. Severe chemical compatibility can require higher-cost materials. Compare total lifecycle cost, including energy, maintenance, containment, spare parts, and downtime, and use live listings or a project quote for current pricing.

Where can I buy chemical-resistant pumps for industrial applications?

Use the Contractor Supplies chemical-resistant-pump collection to compare available designs. For accurate selection, provide the chemical, concentration, temperature, flow, total head, suction conditions, solids, voltage, duty cycle, connection size, and preferred materials. Request written compatibility confirmation for hazardous, high-temperature, or critical process service.