CYH Series Stainless Steel Centrifugal Chemical Pump
The CYH series stainless steel centrifugal chemical pumps feature a single-stage, single-suction cantilevered design. Their rated performance points and primary dimensions are strictly designed and labeled in accordance with the international standard ISO 2858-1975(E). They serve as an ideal replacement for traditional corrosion-resistant fluorine-lined pumps.
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Flow Rate Range : |
0.8m³/h~750m³/h |
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Head Range: |
3m~130m |
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Motor Power : |
2.2 kw~110 kw |
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Speed: |
968-3450 r/min |
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Medium Temperature Range: |
-20°C~165°C |
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Customizable Materials: |
Stainless steel (304, 316, 316L), Duplex steel, etc. |
Product Introduction
As a commonly used fluid transfer equipment in the chemical industry, the CYH series centrifugal chemical pumps are widely applied for conveying acids, alkalis, corrosive substances, toxic materials, and various other media. Their wetted components can be fabricated from metallic materials such as 304, 316, or 316L stainless steel, to meet corrosion resistance requirements under different operating conditions. Featuring a compact structure, smooth operation, low noise, uniform discharge, and easy maintenance, these pumps offer wear resistance and high efficiency. They provide safe and reliable fluid transfer solutions for industries including petrochemicals, fine chemicals, pharmaceuticals, metallurgy, power generation, and environmental protection.
We have a wider range of stainless steel pumps for you to choose from: Stainless steel pumps
Below is a video and photo gallery introducing CYH
Application
CYH series stainless steel centrifugal pumps are designed in accordance with ISO 2858-1975(E) standards. They are ideal for conveying corrosive, toxic, and high-purity media with temperatures ranging from -20°C to 280°C, providing a high-efficiency alternative to fluorine-lined pumps.
Metallurgy & Mining
Acidic pickling liquid circulation, electrolyte transfer in copper/zinc foil production, and FGD systems.
Marine Engineering
Ship ballast systems, marine firefighting, and seawater cooling circulation for offshore platforms.
Desalination Plants
Seawater intake and high-pressure booster pumping for reverse osmosis (RO) desalination systems.
Power Plants
Cooling water circulation using seawater as the heat exchange medium and chemical dosing systems.
Features of Stainless Steel Centrifugal Chemical Pump
Extensive Model Range and Complete Specifications
Changyu offers 29 basic models and 22 dual-speed variants. Through impeller diameter modification and redesign, up to 112 specifications are available to meet diverse chemical process requirements.
Easy Maintenance
Features an extended coupling design. During servicing, there is no need to disassemble the inlet/outlet piping or motor. Simply separate the coupling to extract the rotor assembly, significantly reducing maintenance time.
Advanced Structural Design
Featuring a single-stage, single-suction cantilevered structure, the chemical centrifugal pump employs axial suction and radial discharge with foot-supported installation for stable and reliable operation.
High Strength and Corrosion Resistance
Critical wetted parts are manufactured from stainless steel or corrosion-resistant materials, ensuring safety and durability when handling acids, alkalis, corrosive, and toxic media.
Working Principle
The CYH series stainless steel chemical centrifugal pump utilizes an electric motor to drive the impeller at high rotational speeds. Within the impeller channels, the liquid undergoes centrifugal force, gaining both kinetic energy and pressure energy, thereby enabling its continuous conveyance into the piping system. This process achieves efficient energy conversion for the liquid, allowing the pump to reliably and efficiently transport various acidic, alkaline, and corrosive media.
Parts
A stainless steel centrifugal chemical pump is composed of several precision-engineered components designed to handle corrosive and high-purity media. The impeller, typically made of corrosion-resistant stainless steel (such as 304, 316, or duplex grades), is mounted on the pump shaft within the casing. As it rotates at high speed, it draws chemical fluids into the eye of the impeller and discharges them outward with strong centrifugal force. The pump casing, also constructed from stainless steel, ensures excellent corrosion resistance while guiding the fluid flow and converting kinetic energy into pressure. Bearings within the housing support the shaft and maintain stable, low-vibration operation, while the sealing system (mechanical seal or magnetic drive) prevents leakage of hazardous chemicals. The drive unit—most commonly an electric motor—provides consistent and reliable power, ensuring safe and efficient performance in demanding chemical processing environments.
- Impelle: We use duplex stainless steel or 316L stainless steel (custom materials available). The impeller adopts a semi-open design to improve seawater passage efficiency. Its optimized hydraulic profile reduces cavitation and ensures stable operation in corrosive marine environments.
- Pump Casing: The pump casing is manufactured from corrosion-resistant stainless steel materials. It provides a reliable pressure boundary and ensures smooth flow guidance inside the pump. The reinforced structure maintains stable performance during long-term seawater operation.
- Shaft: The shaft is made of high-strength stainless steel with corrosion-resistant treatment. It is precisely machined to ensure accurate alignment and stable torque transmission, reducing vibration during continuous operation in marine applications.
- Mechanical Seal: We use silicon carbide or tungsten carbide mechanical seal materials. The seal structure is designed to prevent seawater leakage under high salinity and pressure conditions, ensuring reliable sealing performance and extended service life.
- Bearing Assembly: The bearing assembly is designed for continuous heavy-duty operation. It uses corrosion-resistant components to reduce friction and maintain stable shaft rotation, ensuring reliable performance under long operating cycles.
- Base Frame: The base frame is constructed from reinforced carbon steel with anti-corrosion coating. It ensures stable installation of the pump and motor, reduces vibration during operation, and supports flexible installation in marine environments.
Impeller
Pump Housing
Bearings
Pump Shaft
Sealing Method
Base bracket
Material Selection Guide
| Material | Corrosion Resistance | Application |
|---|---|---|
| 304 | Low | Fresh / weak brine |
| 316L | Medium | Mild seawater |
| 2205 Duplex | High | Seawater systems |
| 2507 Super Duplex | Extreme | Desalination / offshore |
CYH Series Stainless Steel Centrifugal Chemical Pump – Specifications
| Parameter | Details |
|---|---|
| Pump Type | Single-stage, single-suction, cantilever centrifugal chemical pump |
| Design Standard | ISO 2858-1975(E) |
| Flow Rate | 0.8 – 750 m³/h |
| Head | 3 – 130 m |
| Motor Power | 2.2 – 110 kW |
| Speed | 968 – 3450 r/min |
| Temperature Range | -20°C – 165°C (up to 280°C with cooling system) |
| Standard Materials | 304 / 316 / 316L Stainless Steel |
| Optional Materials | Duplex (2205) / Super Duplex (2507) |
| Impeller Type | Semi-open impeller |
| Seal Type | Single / Double Mechanical Seal (SiC / TC) |
| Connection Type | Axial suction / Radial discharge |
| Mounting Type | Horizontal, foot-mounted |
| Drive Type | Electric motor (optional: engine or turbine) |
| Structure | Cantilever design, extended coupling |
| Configuration Range | Up to 112 variants via impeller trimming |
Below is our range of product models for your reference. If you are unsure which one to choose, please contact our team; we will be happy to assist you within 24 hours.
Why Choose Changyu?
Stainless Steel Centrifugal Chemical Pump Manufacturer and Supplier
Changyu Pump boasts 22 years of OEM/ODM experience, holding ISO 9001, CE, and ATEX certifications alongside over 25 patented technologies. As a trusted Stainless Steel Centrifugal Chemical Pump supplier, we specialize in delivering reliable chemical pump solutions for corrosive, high-temperature, and demanding applications. Options include zero-leakage magnetic drive pumps and self-priming chemical pumps for efficient fluid transfer. Media-contacting components can be customized in stainless steel (304/316/316L) or fluoroplastic (PTFE/FEP/PFA) materials, delivering exceptional corrosion resistance and durability.
If you have any queries regarding our range of industrial pumps, please get in touch with our team. We will provide you with personalised, expert guidance to help you select the most suitable solution. We offer a wide selection of pump models, and we also provide bespoke manufacturing to meet your pumping requirements. Explore our full product range
Email: [email protected]
Phone: +86-13651913727
FAQ: CYH Series Stainless Steel Centrifugal Chemical Pumps
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