Home / Products / Chemical Pump
  • Jiangsu Syeelai Environmental Technology Co., Ltd.
  • Jiangsu Syeelai Environmental Technology Co., Ltd.
  • Jiangsu Syeelai Environmental Technology Co., Ltd.

Custom Industrial Chemical Process Pumps Manufacturers

Chemical pumps are a type of pump specifically designed for chemical engineering and industrial applications. They are primarily used to transport various chemical media, corrosive liquids, acid and alkali solutions, solvents, oils, and other special fluids. They are widely used in chemical, pharmaceutical, food, petroleum, and metallurgical industries. Based on different working principles and structural characteristics, chemical pumps can be categorized into centrifugal pumps, diaphragm pumps, screw pumps, and other types to meet the diverse fluid transport requirements.

Chemical pumps are typically manufactured from highly corrosion-resistant materials such as stainless steel, plastics, and ceramics to ensure long-term stable operation in harsh environments. Furthermore, chemical pumps are designed with sealing performance in mind to prevent chemical leakage, improving safety and reliability. They offer high efficiency, stable flow rates, and ease of maintenance, and can perform well under complex conditions such as high temperature and high pressure.

About Us
Powering Global Industry with Precision Fluid Technology
As China custom Chemical Transfer Pump manufacturers and Industrial Chemical Process Pumps suppliers, SYEELAI specializes in corrosion-resistant fluid transfer solutions, professionally manufacturing a series of acid and alkali resistant pumps including liquid mixers, metering pumps, magnetic drive pumps, Industrial Chemical Handling Pump, and vertical pumps. The company also undertakes custom fabrication of non-standard chemical filtration systems and provides professional design, installation, and commissioning services for chemical dosing equipment.
Company Profile
SYEELAI Qualification Certificates
View More Certificates
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
  • Certification
Chemical Pump Industry knowledge

Jiangsu Syeelai Environmental Technology Co., Ltd. is a China-based manufacturer and supplier of corrosion-resistant fluid handling equipment. Our Custom Industrial Chemical Process Pumps category covers the pumps we design, assemble and test for chemical processing, water treatment, electroplating, new energy and pharmaceutical lines.

SYEELAI integrates R&D, production, sales and service. We focus on fluid mixing and transportation, manufacturing liquid agitators, metering pumps, magnetic drive pumps, acid/alkali resistant pumps and vertical pump series. We also fabricate non-standard chemical filtration systems and provide design, installation and commissioning for customized dosing devices. Because of that, the Chemical Pump range is not a standalone product family; it is part of a complete fluid handling scope.

Our Chemical Pump Range and Application Fit

The Chemical Pump category is organized into five pump families. Selection is based on the fluid, the duty point and the surrounding piping system, not simply on material of construction.

Chemical Pump Range Principle and Construction Application Fit
Metering Pump Positive displacement with mechanical diaphragm, plunger or hydraulic diaphragm liquid ends Precise injection of acids, alkalis, coagulants, flocculants and additives in water treatment and chemical proportioning
Magnetic Drive Pump Sealless magnetic coupling transmits torque without a shaft seal Corrosive liquid transfer, chemical circulation, plating baths and duties where leakage must be avoided
Self-Priming Pump Integrated air-evacuation priming removes suction line air Tanker unloading, sump emptying, below-grade vessel transfer and batch make-up above liquid level
Vertical Idling-Resistant Pump Sealless vertical construction with dry-running resistant design Tank and sump duties with varying liquid level, intermittent service and emptying applications
Hose Pump Peristaltic compression of a reinforced hose; only the hose contacts fluid Abrasive slurries, viscous chemicals, shear-sensitive media and simple hose-change maintenance

Positioning Within the Chemical Pump Family

The Metering Pump range is our precision dosing line, covering mechanical diaphragm, plunger and hydraulic diaphragm designs. Mechanical diaphragm pumps suit lower-pressure chemical injection; plunger pumps handle higher discharge pressures and heavier industrial cycles; hydraulic diaphragm pumps are selected when smooth, leak-resistant metering is required. Each type supports incremental adjustment during operation, which gives the process fine control over chemical feed rates.

For continuous transfer, the Magnetic Drive Pump range removes the mechanical seal failure point. This is the recommended category for corrosive liquids where fugitive emission risk must be low. Self-priming pumps are positioned for installations where the pump sits above the liquid level, while the vertical idling-resistant family is built for liquid levels that vary or drop during operation. The hose pump range covers abrasive and viscous fluids that would damage conventional impellers or valve assemblies.

Materials, Specifications and Process Fit

Chemical pumps are used to transport corrosive chemical media, acid and alkali solutions, solvents, oils and specialized fluids. Our liquid ends are manufactured from corrosion-resistant materials including polypropylene, FRP, stainless steel, ceramic and engineering plastics, with diaphragm, O-ring and valve materials selected against the chemical compatibility list. For processes with solids, crystallization or polymerization risk, we review particle size, viscosity and precipitation tendency before fixing the hydraulic design.

Critical specifications in our configuration file include rated flow at discharge pressure, liquid temperature, density, viscosity, available NPSH, turndown ratio and required control mode. We do not select a pump solely by tank size or motor power; the working point is defined by the process curve and the expected operating range. The proposal states capacity, head, material grade, motor rating and the limits under which the pump can run continuously.

Controls, Automation and System Integration

Metering and dosing pumps are frequently installed inside chemical dosing skids with tanks, filters, valves and instrumentation. We configure the control system around the required line interface: manual stroke adjustment, frequency drive input, analog setpoint or a higher-level PLC signal. For automated installations, the electrical supply, signal type, stroke adjustment range and communication protocol are defined before manufacturing.

Our Engineering Solutions team designs chemical mixing and dosing systems around the pump family when the project includes agitators, filtration equipment, back-pressure valves and pulsation dampers. This integration scope covers process layout, pipe sizing, instrument signals and commissioning rather than stopping at the pump flange.

Quality Control and Factory Acceptance

Quality control runs from raw material sampling and verification upon incoming goods, through fixed-point patrol inspection during production, to full-performance verification of finished pumps. Inspection data is retained throughout the process and supports traceability from source to delivery. For project orders, we confirm the required testing level during the proposal phase so that performance verification matches the acceptance documentation you need.

Before packing, we verify running stability, motor phase rotation and nameplate details, and we check the pump against the approved datasheet. Industrial-grade protective packaging is adapted to multi-scenario transport and loading/unloading requirements, and logistics nodes are synchronized so delivery status remains clear during project planning.

Installation, Maintenance and Serviceability

Each pump is supplied with installation guidance covering foundation leveling, pipe support, suction lift, electrical connection and initial start-up procedure. Metering installations typically need a back-pressure valve and pulsation damper to stabilize dosing accuracy; self-priming layouts need a proper foot valve or priming line. We identify spare parts around serviceable components such as diaphragms, valve balls, valve seats, O-rings, hose elements, bearings and shaft components.

Our service scope includes 24/7 response, remote diagnosis, on-site guidance and after-sales maintenance. We establish service files for delivered equipment and proactively track operating status so production lines can continue running with minimal interruption.

Information We Use to Configure Your Solution

To prepare a pump configuration and quotation, we need the process working point, material behavior and production target. The following data is used in every technical proposal:

  • Chemical name, concentration, temperature, density and viscosity of each pumped fluid
  • Duty flow rate, discharge pressure and any intermittent overload conditions
  • Suction conditions: flooded suction, lift height, available NPSH and static head
  • Solids content, particle size, crystallization or polymerization tendency
  • Control mode: manual stroke, analog signal, pulse input or frequency drive
  • Electrical supply voltage, phase, frequency and hazardous area classification
  • Footprint constraints, ambient temperature, outdoor exposure and nozzle sizes
  • Required material compatibility, testing level and documentation format

Frequently Asked Questions

Which pump should I select for concentrated sulfuric acid or strong alkali?

Selection depends on concentration and temperature. Strong acid and alkali transfer duties usually use magnetic drive or self-priming pumps with PP, FRP, ceramic or engineering plastic wetted parts. For precise dosing, a metering pump with compatible diaphragm and valve materials is safer. Send the media composition and operating temperature so we can propose the wetted material set.

Can the metering pump be connected to a PLC for automatic dosing?

Yes. Our metering pump drives can be configured for external control signals, including analog setpoints, pulse input or frequency drive control. We match stroke adjustment, motor rating and the control interface to the dosing skid, and we include the required signal details in the technical proposal.

What is the difference between a self-priming pump and a vertical idling-resistant pump?

A self-priming pump evacuates its suction line and can lift liquid from below the pump centerline, which suits above-ground installations with a foot valve. A vertical idling-resistant pump is immersed or vertically mounted and is designed to tolerate intermittent dry running when tank level fluctuates. Use the vertical family when liquid level cannot be guaranteed.

How is pump performance guaranteed before shipment?

Finished pumps undergo full-performance verification, and inspection records are retained for traceability. Metering pumps are set to the specified capacity and discharge pressure; magnetic drive, self-priming and vertical pumps are checked for hydraulic performance and running stability. Your required acceptance tests can be added to the project scope.

What information should be sent with a quotation request?

Provide the fluid name, concentration, temperature, viscosity, flow rate, discharge pressure, suction condition and plant power supply. If available, add a P&ID sketch, tank dimensions and existing pipe sizes. We use this data to prepare the pump configuration, select auxiliary components such as back-pressure valves and pulsation dampers, and issue a complete quotation.