Mechanical Hardware

AY multistage centrifugal oil pump Overview: A segmented, multi-stage horizontal centrifugal pump primarily used in fields such as petroleum refining, petrochemicals, and power generation, suitable for conveying petroleum and its products free of solid particles. Performance Range: Flow Rate Q=3.5～180 m³/h, Head H=70～650 m Temperature range: -20°C to +300°C Key Features: The AY series oil pump products are the upgraded version of the Y-type oil pump, featuring identical performance parameters and installation dimensions as the Y- type pump, facilitating the retrofitting of older models. ● The axial force of the pump is balanced using a combination structure of balance disc and balance drum, which prevents contact friction between the balance disc and balance plate when the pump starts, operates, or stops, as occurs with a balance disc structure. ● The advanced "triple flow" design method is adopted to enhance pump efficiency, achieving 2~5% higher performance than the corresponding Y-type oil pump. ● The product complies with GB3215 "General Technical Conditions for Centrifugal Pumps for Refinery, Chemical, and Petrochemical Processes" and API610 standards. Structural characteristics: ● Type: Segmental, double-supported, horizontal multi-stage centrifugal oil pump. ● Inlet and outlet directions: a) Vertical suction, vertical discharge; b) Horizontal suction, vertical discharge. ● Support methods: a) Pump foot support (suitable for locations where the transported medium temperature is below 150°C); b) Central support. ● Balancing mechanism: A combined structure of the balance disk and balance drum ensures no rotor axial movement during startup, operation, and shutdown. ● Shaft seal: Integrated mechanical seal. ● Coupling: flexible diaphragm coupling. ● Bearing: Rolling bearing, oil lubrication (cooling water is not required for conveying ambient temperature media). ● Rotation direction: From the motor end, the pump rotates counterclockwise.

Minimum Order: 1 bags

Fiberglass centrifugal pumps are corrosion-resistant pumps where the liquid-contact components, such as the impeller and volute (pump casing), are made of fiberglass- reinforced resin. They include S-type horizontal direct-coupled, FS-type horizontal shaft coupling type, SL-type vertical centrifugal type, and FSY-type submersible models, as well as SZ self-priming types. These pumps are primarily used in industries such as petrochemicals, metallurgy, dyes, printing and dyeing, pesticides, pharmaceuticals, rare earths, and leather. The fiberglass centrifugal pump is designed for handling various non-oxidizing corrosive media (e.g., hydrochloric acid, dilute sulfuric acid, formic acid, acetic acid, butyric acid) that contain no solid particles, are not prone to crystallization, and have temperatures not exceeding 100°C. Product Features The fiberglass pump features excellent properties such as lightweight, high strength, deformation resistance, temperature resistance, and corrosion resistance. It can partially replace precious metals like aluminum-containing stainless steel, titanium, and titanium alloys in corrosion prevention applications. Shaft seal: adopts the WB2 external-mounted F4 bellows mechanical seal, featuring reliable sealing performance and a long service life. The transmission and rotation direction of the pump: The pump is directly driven by the motor via a claw-type elastic coupling, and it rotates clockwise when viewed from the motor end.

Minimum Order: 1 bags

IJ series chemical process pump absorbs techniques in API610 the 10"' edition and ASME B73.l-2001 standard, and is a successful upgrade and innovation based on IH pump (a Chinese standard chemical process pump series).IJ series chemical process pump is a centrifugal pump of horizontal, single stage, single suction, cantilever design, its performance parameters conform to GB/T5662 standard (corresponding to 1SO2858). Adopting advanced hydraulic design, the pump possesses higher hydraulic efficiency, heightening by 5% in comparison with IH pump, and thus it is an energy-saving product. In the design of structure, by referring to American ANSI standard, the shaft diameter is increased and cantilever ratio is shorten to eliminate the shortages that IH pump's shaft breaks frequently, thus operational stability improves, maintenance fee and operational cost decreases. Through uninterrupted research and improvement on mechanical seal and seal chamber by referring to American API 682 standard, 171 series mechanical seal is developed and applied successfully to the industries of soda, chlorine alkali, salt-making, metallurgy, paper-making and environmental protection as well as other industries where the medium is liable to crystallize or contain solid particles. Besides 171 series mechanical seal, IJ series chemical process pump can adopt other seal plans recommended by API 610. Through Over ten years' improvement and models development, the applicable scope of IJ series pump is gradually extended, presently there are over 100 specifications, covering the applications of all the chemical processes under pressure 2.SMPa and temperature 200°C. IJ series is one of three main chemical process pump series extensively applied along with CZ and ZA series in China. The pump is widely used in chemical industry, petrochemical, paper-making, dyeing, food etc. Conform to 1502858, GB/T5656, APl682 Standard, Max operating pressure 2.SMP Range of Capacity (0.64-2400)m3/ Total head (4-250)m Range of operating Temperature( -20-200)'C Material: For wetted parts in contact with medium, the common materials are as follows: 304,321,316L, 310Cu, 0Cr25Ni6 (duplex stainless steel),alloy 20#, 904, TA2 (titanium, Ti/Pd(titanium-palladium alloy), Ni(nickel), Monel etc.

Minimum Order: 1 bags

CZ Stainless steel centrifugal chemical industrial process pump horizontal When using CZ centrifugal pumps (typically referring to standard industrial process pumps conforming to DIN/ISO standards) in plateau regions, special attention must be paid to the reduced motor heat dissipation efficiency, changes in net positive suction head (NPSH), and sealing performance challenges caused by low atmospheric pressure and low oxygen environments. While the CZ pump itself features a wide temperature range (-40°C to +260°C) and corrosion resistance, targeted adjustments are required during selection and operation in plateau areas. Key Impacts of Plateau Environment on CZ Pumps and Mitigation Strategies Motor Power and Heat Dissipation Correction The thin air at high altitudes reduces the cooling capacity of electric motors, potentially leading to excessive temperature rise. For CZ pumps with direct drive or coupling transmission, it is necessary to reduce capacity or use high-altitude- specific motors (such as Class F insulation with enlarged heat sinks). Forced ventilation measures should be added when necessary. For standard plainland motors, output power typically requires correction based on altitude when operating above 2,000 meters. ‌‌ Cavitation Margin (NPSH) Verification The atmospheric pressure on the plateau decreases, while the saturated vapor pressure of the liquid relatively increases, leading to a significant reduction in the available net positive suction head (NPSHa). Although the CZ pump has lower cavitation performance indicators, the required net positive suction head (NPSHr) must be recalculated under plateau suction conditions. The pump's installation height must be kept below the critical value to prevent cavitation damage to the impeller. It is recommended to appropriately lower the installation height or increase the suction pipe diameter to reduce resistance losses. ‌‌ Mechanical Seals and Bearing Lubrication Low atmospheric pressure may affect the heat dissipation and lubrication effectiveness of mechanical seals, particularly in bearing housings reliant on oil lubrication (such as dilute oil lubrication systems). During operation at high altitudes, it is necessary to inspect whether the seal cooling system functions properly and verify that the lubricant viscosity is suitable for low-temperature and low-pressure conditions to prevent leaks or bearing overheating. The externally mounted mechanical seal and constant-level oil cup design employed in CZ pumps require adjustments to the sealing pressure balance for high-altitude operating conditions. ‌‌ Selection and Operation Recommendations Material and Structural Selection: Due to significant temperature fluctuations in plateau regions, castings with matching thermal expansion coefficients should be selected for media with extreme temperature variations. The rear-door structure of the CZ pump facilitates maintenance of the impeller and seals without disassembling the pipeline, adapting to field service conditions. Performance parameter matching: Adjust the pump's flow-head curve based on the actual altitude. Although the change in liquid density in high-altitude environments is minimal, variations in gas solubility may affect the stability of conveying gas-containing media. It is necessary to confirm whether the pump type is suitable for gas-containing conditions. Foundation and Support: When installing CZ-type pumps (especially direct-drive models without a base), ensure the foundation is stable. The weight of the suction pipeline must be supported by independent brackets to prevent pump body deformation and intensified vibration

Minimum Order: 1 bags

GC industrial boiler feed water pump Horizontal multistage centrifugal boiler feed pump 1. GC boiler feed pump is single stage multistage sectional centrifugal pump. 2. It is a high efficiency pump and designed according to the standard JB/T8059 and advanced hydraulic model inland, 3. GC boiler feed pump can deliver clear water and chemical and physical properties liquids that are similar to clear water. 4. The head of the pump is 46-430m,the capacity is 6-55 m3/h. 5. The highest temperature of the liquids should be lower than 110 Celsius degrees. 6. It is applicable to the boiler feeding water and factories and cities water supplying. Performance Scope: Capacity:6~55m3/h Head:46~430m Motor Power:3~110kw Standard:JB/T8059-96

Minimum Order: 1 bags

G-type thick slurry pump is essentially a type of single-screw pump, specifically designed to transport viscous media containing solid particles or fibers, such as sludge, sauces, and glue. This pump operates by the meshing of the screw and liner to create volumetric changes for material propulsion, delivering stable flow rates and strong self-priming capabilities. The core of the G-type thick slurry pump consists of an eccentric screw (rotor) and a fixed liner (stator), which mesh together to form sealed chambers. When the motor drives the screw to rotate, the screw simultaneously spins around its own axis and rolls along the inner surface of the liner, creating continuous sealed chambers that evenly push the medium from the suction end to the discharge end. Due to the low internal flow velocity and constant volume, no eddies or agitation occur during transportation, ensuring the material remains undamaged. This pump is particularly adept at handling high-viscosity fluids and media containing solid particles, capable of processing materials that are generally difficult for other pump types to manage. Common application scenarios include wastewater treatment (sludge and turbid water conveyance), food industry (jam, syrup, honey), chemical industry (suspensions, colloidal slurries), papermaking (pulp, ink), and construction (cement mortar, coatings). The working temperature typically reaches below 80°C, with special requirements extending up to 150°C. Each stage delivers an output pressure of approximately 0.6 MPa and a head of arounThe model is generally denoted by "G" followed by a number, such as G25-1, G25-2, G30-1, etc., where the number represents the diameter or specification, and the suffix "-1" or "-2" indicates the grade or pressure level. When selecting a model, the primary considerations are flow requirements, medium viscosity, solid content, and working pressure. Flow is directly proportional to speed and can be adjusted via a variable-speed motor or gearbox. In terms of material, options include cast iron and stainless steel. Components in contact with the medium are typically made of 304 or 316L stainless steel for better corrosion resistanced 60 meters.

Minimum Order: 1 bags

2CY gear pump is primarily used for conveying non-corrosive media with a viscosity ≤1500 CST, including heavy oil, diesel, and mechanical oil. The pump consists of a pump body, pump cover, nitrided gears, bearing sleeves, and shaft-end seals. The main driving gear is a spur gear installed within the shaft sleeve, with rotating components self-lubricated by the conveyed medium. Four floating bearing sleeves automatically adjust end-face clearance to maintain stable pressure. It can operate at a working pressure of up to 2.5 MPa, with a flow rate range of 1.08-12 m³/h, featuring low flow pulsation and high volumetric efficiency. As a positive displacement pump, it achieves oil suction and discharge through gear meshing to form enclosed space variations, making it suitable for oil transmission pressurization, fuel injection pressurization, and hydraulic power systems. The product employs a three-jaw elastic coupling for direct motor connection and is equipped with a safety valve

Minimum Order: 1 bags

Triple three screw oil transfer pump In the field of industrial fluid transportation, tri-screw pumps are widely used in industries such as fuel delivery, hydraulic lubrication, and chemical processing due to their smooth operation, low pressure pulsation, and long service life. 1.1 Medium Characteristics The medium characteristics are the primary basis for selection. It is essential to clarify the medium's name, temperature, viscosity, lubricity, corrosiveness, solid content, and particle size. For instance, the pump material and structure may differ entirely when transporting clean lubricating oil versus certain corrosive chemical raw materials. Viscosity directly affects the pump's volumetric efficiency and suction performance, serving as a key parameter for calculating flow rate and shaft power. 1.2 flow rate /capacity Flow rate refers to the volume of liquid transported by a pump per unit time, usually measured in cubic meters per hour or liters per minute. When selecting, it is necessary to distinguish between theoretical flow and actual demand flow. The actual flow rate should be determined based on the innovative requirements of the process system, taking into account a certain safety margin. It should be noted that the viscosity of the medium has a significant impact on the flow rate. The flow rate indicated on the sample is usually data at a specific viscosity and needs to be converted. 1.3 Pressure The pressure indicators of a pump include outlet pressure and working pressure. The outlet pressure is the total system resistance that the pump needs to overcome, including pipeline friction loss, equipment resistance, and liquid level difference. The working pressure refers to the actual operating pressure range of the pump in the system. When selecting, the rated pressure of the pump should be slightly higher than the innovative working pressure required by the system. 1.4 Speed The speed, flow rate, and wear life of a pump are closely related. High speed can achieve high flow rate, but it can also exacerbate wear and increase the risk of cavitation; Low speed is beneficial for extending the service life of the pump and improving suction capacity, but a larger pump size is required at the same flow rate. For high viscosity media, it is usually recommended to choose a lower rotational speed. 2.1 Balance of viscosity speed efficiency This is a core matching technique. As the viscosity of the medium increases, the pump speed should be appropriately reduced. If the speed is not reduced, it will cause difficulty in suction, decreased efficiency, and rapid temperature rise of the pump. You can refer to the viscosity speed selection curve provided by the pump manufacturer to determine the popular operating range. The goal is to find a balance point that allows the pump to operate in the efficient zone with minimal wear while meeting the flow rate requirements. 2.2 Compatibility between materials and media Choosing the appropriate pump body material based on the corrosiveness and abrasiveness of the medium is the key to ensuring its lifespan. Common materials include ordinary cast iron, wear-resistant cast iron, stainless steel, duplex steel, etc. For example, when transporting seawater or corrosive chemicals, stainless steel or higher grade materials should be selected; For conveying media with slight abrasion, wear-resistant cast iron can be selected. 2.3 Selection of structural form Three screw pumps have different structural forms, such as horizontal, vertical, with heating jacket, etc. Vertical pumps are suitable for situations with limited space or tank suction; If the medium is prone to solidification at room temperature, it is necessary to choose a model with insulation or heating jacket to ensure smooth start-up and operation.

Minimum Order: 4500

CIS Industrial marine end suction centrifugal pump CIS pump refers to the CIS series marine horizontal centrifugal pump, which is a single-stage single suction centrifugal pump mainly designed for marine environments and can also be widely used in industrial and agricultural fields. ‌ Core Features Applicable medium: It can transport seawater, fresh water, and other liquids with physical and chemical properties similar to water. Main uses: often used as fire pumps, cooling pumps, ballast pumps, general pumps, and sanitary pumps on ships; In non marine scenarios, it can be used for urban water supply and drainage, farmland irrigation, etc. Rotation direction: From the drive end, the pump rotates clockwise. Structural features: Adopting a horizontal structure, some models have a rear opening door /back pull door design, which does not require disassembly of pipelines and motors during maintenance, making maintenance convenient. ‌ CIR series: Same performance parameters and installation dimensions as CIS pumps, but specifically designed for delivering hot water, with hot water temperatures typically not exceeding 120 degrees Celsius. ‌ This series of pumps is usually equipped with a 380V/50Hz three-phase power supply, with common speeds of 1450r/min or 2900r/min. The specific selection depends on the flow rate and head parameters. ‌ Pump body/housing: cast iron Impeller: bronze Stainless steel pump shaft.

Minimum Order: 1 bags

FP series polypropylene corrosion-resistant pump is a fully injection-molded plastic corrosion-resistant pump, with its flow components made of reinforced polypropylene (PP) material. The medium does not come into contact with metal, offering excellent corrosion resistance and suitable for general non-metallic corrosive clear liquid media within a temperature range of 0 to 85 degree celsius/. The main advantages of the FP series polypropylene corrosion-resistant pumps compared to other anti-corrosion pumps are: 1. The hydraulic model is advanced, efficient, and highly energy-saving. 2. Lightweight and compact. 3. The price is affordable, and compared to other corrosion-resistant pumps, it offers a better cost-performance ratio when used in general corrosive media. 4. The import and export flanges feature a steel skeleton wrapped with plastic, offering the advantages of excellent installation strength and superior corrosion resistance compared to other plastic pumps. When selecting this pump, users should provide our company with detailed operating conditions, such as the chemical properties, solid content, viscosity, temperature, explosion-proof requirements, and usage position of the conveying medium, in order to accurately select. （2） FP type pump has a bracket structure (shaft coupling) and is characterized by easy maintenance. FPD type pump is a direct coupled structure (close coupling), characterized by being lightweight, energy-saving, and economical.

Minimum Order: 1 bags

FP Reinforced polypropylene centrifugal pump FP centrifugal pump adopts reinforced polypropylene (RPP) injection molding. It has the advantages of high mechanical strength and corrosion resistance, Light weight, small size, long life etc. FP RPP centrifugal pump is widely used in chemical, food, pharmaceutical, electroplating, papermaking, environmental protection, water treatment and other departments for conveying acid, alkali, salt and other corrosive liquids Pump material (pump body, pump cover and impeller): RPP Mechanical seal: WB2 externally mounted mechanical seal Operating temperature is -12℃ to 100℃.It is a good matching pump for engineering plastic water jet vacuum pump Closed coupling type

Minimum Order: 1 bags

IS-type single-stage single-suction centrifugal pump The IS pump is a single-stage, single-suction horizontal centrifugal pump compliant with ISO standards, primarily used for conveying clean water or similar liquids. Basic Definition: The IS pump, full name IS type single-stage single-suction centrifugal pump, is an energy-saving pump manufactured according to the national joint design standard, replacing the outdated BA type and B type pumps. Primary Uses: Widely used in industrial and urban water supply and drainage, agricultural irrigation and drainage, as well as in fire protection pressurization, garden sprinkler irrigation, and other scenarios. Structural Features: Designed with a "rear-opening" mechanism, allowing easy rotor removal by disassembling the coupling without the need to dismantle pipelines or motors during maintenance, ensuring convenient servicing. Usage Limitations: Typically suitable for pumping clean water with a temperature not exceeding 80°C. For high-temperature or corrosive liquids, the IR-type hot water pump or derivative models such as chemical pumps should be selected.

Minimum Order: 1 bags

LC vertical long-shaft pump is a newly developed product with both homeland and overseas advanced experience in design and manufacture. It is used to deliver clear water, sewage with certain solid particles (such as iron scrap, sand, coal powder etc.) and industry waste water and seawater with corrosive. The temperature of liquid can not be above 80"C. It is widely used in original water works, waste water factory, metallurgy and steel industry (especially suitable for delivering oxygenation iron sheet water in swirl pool), power station, mine, civil project and farmland etc. model meaning 300L C200-50*2 * 300 -Outlet diameter of pump is 300mm * LC -Vertical long-shaft pump * 200 - Design capacity is 200m3/h * 50 - The head is 50m at design point * 2 - Impeller stage numbe Performance Range Capacity: 50-8400m3/h Head: 12.5-250m Construction Feature The type LC vertical long-shaft pump is installed with single foundation, its inlet is vertical downward and outlet is horizontal. The pump and the motor are directly connected. The rotation of pump rotor is counter clockwise looking from the motor to the pump; the main features are as following: 1. It is fine designed with hydraulic design software. It makes impeller and other wearing parts have a long life because of anti-abrasive impeller and Diffuser. The pump is not only reliable, safe, steady but also saving energy. 2. There is filter in pump inlet with proper hole, this can not only prevent impurity entering pump to damage pump but also decrease inlet loss and increase pump efficiency. 3. Impeller adopts balance hole to balance axial force. There is replaceable seal ring in front and back cover board of impeller to protect impeller and pump. 4. Pump middle shaft, water column and guard pipe are multi-burl, middle shaft uses technology of sleeve coupling. Water pipe can be more or less for different inundated depth according to user's requirement. Impeller and Diffuser are multi-stage for different head. 5. Water pipe is connected by flange with guide bearing in its middle. Pump guide bearing adopts ethane, it can also adopt rubber (when the temperature of liquid is over 55degree celsius).Shaft is protected by guard column, the guide bearing should be supplied with exterior cooling lubricating water, while delivering sewage. 6. The remaining axial force of pump and the weight of rotor parts are borne by thrust bearing in motor seat or motor with thrust bearing. The thrust bearing is lubricated by dilute oil and cooled with exterior water. The thrust bearing can have element for monitoring temperature. 7. Pump shaft seal adopts packing seal, there is replaceable shaft sleeve in shaft seal and guide bearing to protect shaft and it is convenient to adjust axial location of impeller by nut in bearing parts upper end or pump coupling. 8. Pump can be equipped with controller which can automatically start and stop pump according to liquid level, give an alarm for over loading and control many pumps in long-distance. There is automatic exhaust system for pump with diameter over 500mm.

Minimum Order: 1 bags

Sea water desalination pump The core flow components (impeller, pump casing, shaft, etc.) of seawater desalination pumps are preferably made of duplex stainless steel or super duplex stainless steel to resist corrosion and stress cracking in high chloride environments. Core Recommended Material • Super Duplex Stainless Steel (e.g., 2507/S32750): Currently the mainstream choice for high-pressure pumps in large-scale reverse osmosis seawater desalination systems. With high pitting resistance equivalent number (PREN), it effectively resists corrosion from chloride ions and stress corrosion cracking in seawater, offering superior mechanical strength compared to ordinary stainless steel, making it suitable for high-pressure applications. • Duplex stainless steel (e.g., 2205/S31803): Suitable for booster pumps and transfer pumps in medium-low pressure or pretreatment stages. It offers better cost performance than super duplex steel and significantly outperforms 316L in corrosion resistance, making it a commonly used balanced solution in engineering applications. • Super austenitic stainless steel (e.g., 904L, 6% Mo steel): Used as an alternative in specific highly corrosive or high-temperature applications, offering excellent corrosion resistance but at a high cost, typically employed for critical seals or special components 316/316L stainless steel: Although containing molybdenum element, it has insufficient resistance to pitting and crevice corrosion in long-term seawater environment, and is prone to local corrosion. It is only recommended for short-term, low flow rate or non critical auxiliary pipelines and is not recommended as the main material for core overcurrent components. bronze alloy (such as nickel aluminum bronze): a traditional marine material, but it is susceptible to cavitation corrosion and electrochemical corrosion under continuous operation conditions of seawater desalination, and environmental restrictions have increased. Modern large-scale desalination plants have gradually been phased out. Ordinary carbon steel/cast iron: no anti-corrosion ability, strictly prohibited from direct contact with seawater medium Distinguishing working conditions: The high-pressure pump (RO system core) must use high-grade materials such as 2507; The water intake pump/discharge pump can use 2205. Process control: Duplex stainless steel has extremely high requirements for welding and heat treatment processes, and it is necessary to ensure the balance of ferrite/austenite ratio, otherwise brittle phases may precipitate and cause failure. Non metallic materials: Some seals, bearings, or liners may use special engineering plastics such as carbon fiber reinforced PEEK to assist in corrosion resistance and friction reduction. It is recommended to prioritize API 610 standards material confirmation based on specific pressure levels, seawater temperatures, and project budgets

Minimum Order: 1 bags