Mechanical Hardware

GW non clogging pipeline pump Not clogged impeller (Single flow channel or double flow channel) GW non-clogging pipeline pump adopts unique impeller structure and new mechanical seal, which can effectively transport wastewater with solids and long fibers. The impeller adopts single flow channel or double flow channel which is similar to a bend pipe with the same cross section size. Equipped with a reasonable volute chamber, the pump can convey the sewage or wastewater with solid particles or fiber etc. impurities. The pump has no vibration in operation. The pump can be made of cast iron or stainless steel. It has remarkable energy-saving effect, anti-winding, non-clogging, automatic installation, and automatic control etc. characteristics. It has a unique effect in discharging wastewater with solid particles and long fiber. features 1 - Compact structure, easy to move, simple to install, no need to build pump room, reduce project cost. 2 - It can operate within the full head range without overload of the motor. 3 - The center line of inlet and outlet is on the straight line, which can be installed directly anywhere in the pipeline. 4 - Strong discharge capacity and no blockage. 5 - Reasonable design, small power of supporting motor, remarkable energy-saving effect. 6, wear - resistant mechanical seal. Application: 1 - hospital, hotel, high-rise building sewage discharge. 2 - Discharge of thin mud in municipal engineering and construction site. 3, farm sewage discharge and rural farmland irrigation. 4 - Water supply device for water plant. 5 - Mine exploration and water treatment equipment. 6 - Water supply and drainage for water conservancy projects. 7 - Enterprise wastewater discharge. 8 - Urban sewage treatment plant discharge system. 9 - Sewage and drainage stations in residential areas. 10 - Subway, basement, civil air defense drainage station. service conditions 1 - The medium temperature shall not exceed 80 ° C. 2 - The weight of medium transported is 1 ~ 1.3kg /dm3. 3, The cast iron pump is used to transport wastewater without corrosion 4, when the pump is working, the pump should be well ventilated around. 5 - 1Cr18Ni9Ti stainless steel pump can be used for conveying various corrosive wastewater liquids.

Minimum Order: 1 bags

Cassette oil seals are specialized sealing solutions developed for use in machinery that operates in environments where dust, dirt, water, and other contaminants pose a significant risk. Unlike standard rotary shaft seals, cassette seals integrate multiple sealing lips, a dust barrier, and sometimes a pre-lubricated internal cavity. This structure enhances sealing reliability and extends service life under harsh conditions. This article explores which types of machinery require cassette oil seals, explains why they are selected, and provides practical insights for engineers and maintenance professionals. Machinery That Commonly Uses Cassette Oil Seals 1. Agricultural Equipment Machines such as tractors, combine harvesters, seeders, and sprayers work in open fields where exposure to mud, water, and crop debris is constant. Cassette oil seals are commonly installed in wheel hubs, axles, and gearboxes to protect rotating parts and ensure smooth operation over long working hours. 2. Construction Machinery Excavators, backhoes, loaders, and bulldozers are exposed to gravel, soil, and vibrations during operation. Cassette seals help prevent grit and moisture from damaging internal components, especially in swing motors, wheel hubs, and hydraulic systems. 3. Mining and Quarry Equipment Equipment like drilling rigs, crushers, and haul trucks must withstand heavy- duty usage in abrasive environments. Cassette oil seals in these machines reduce the risk of bearing failure and fluid leakage in gearboxes and drive systems. 4. Heavy-Duty Trucks and Trailers Cassette seals are often used in truck axle systems, wheel ends, and braking assemblies, where they resist the effects of road debris, water, and temperature fluctuations, contributing to extended maintenance intervals. 5. Forestry and Logging Machinery Machines used in logging operations face exposure to wood chips, sap, and rough terrain. Cassette seals help protect gear mechanisms and wheel bearings from contamination, especially in harvesters and skidders. 6. Industrial Machinery In some cases, cement mixers, crushers, and conveyors used in dusty plants also benefit from cassette seals to maintain cleaner lubrication systems and prevent premature wear. Frequently Asked Questions Q1: Why are cassette seals preferred over standard oil seals in heavy equipment? A: Cassette seals offer multi-lip protection and are pre-assembled, reducing installation errors. They also resist contamination better and last longer in rugged environments. Q2: Are cassette seals only used in mobile equipment? A: While they are most common in mobile and off-road machines, cassette seals can also be applied in fixed industrial machinery exposed to high levels of dust or moisture. Q3: Can a standard oil seal be replaced with a cassette seal? A: In some cases, yes—but shaft compatibility, space constraints, and seal dimensions must be carefully evaluated. A cassette seal may offer better performance if properly fitted. Q4: What maintenance benefits do cassette seals offer? A: Their robust design helps reduce unplanned downtime and extends the interval between seal replacements, especially in equipment where frequent maintenance is difficult. Cassette oil seals are widely used in machinery that operates under tough and unpredictable conditions. From agriculture and construction to mining and transportation, these seals provide reliable protection against contaminants and wear. Understanding which machines benefit from cassette seals allows for more effective sealing solutions, helping to ensure long-term equipment reliability and reduced maintenance needs.

Minimum Order: 100

Rounded corner style mobile lighting tower genset with water pumps combines mobile power generation, lighting and flood control emergency drainage in one, which are suitable for applications such as flood control and disaster relief, wild rescue, construction site drainage, sewage treatment, agricultural irrigation, municipal drainage, etc. Applications:  1. Flood control and disaster relief: In the event of heavy rain and flood disaster, the mobile pumping station can provide emergency drainage, especially in the case of waterlogging in a small space. 2. Wild rescue:The power generation and lighting functions of the mobile pump station make it suitable for wild rescue scenarios, such as providing lighting and power support in areas without power supply. 3. Construction site drainage: On construction sites or road construction sites, mobile pump stations can quickly drain water to keep the construction area dry and and improve the work efficiency. 4. Agricultural irrigation: The mobile pumping station can extract water and transport it to the farmland to meet the water demand of the crops. 5. Sewage treatment: In urban sewage treatment plants or rural sewage treatment facilities, mobile pumping stations can be used to pump sewage to the corresponding treatment area to treat large amounts of wastewater quickly and efficiently. 6. Fire rescue: In the event of a fire scene or other emergency rescues, the mobile pumping stations can provide emergency water service, drawing large amounts of fire fighting water from nearby lakes, rivers or storage containers. 7. Environmental protection: In the process of environmental monitoring and treatment, mobile pumping stations can be used to transport water containing pollutants to the treatment facilities, and reduce environmental pollution. 8. Municipal drainage: Trailer-type pumping stations can also be used in municipal drainage systems to help city authorities cope with sudden water problems.

The self-loading and unloading drainage cabins can be quickly installed and disassembled. They combine drainage, power generation and lighting in one, which are suitable for emergency drainage and other application such as flood control, reservoir safety, fire emergency water supply, etc. Features and benefits Quick installation and disassembly: The drainage cabin adopts automatic loading and unloading technology. It can be quickly installed and disassembled, which improves the emergency response speed. Efficient drainage capacity: Equipped with efficient pumps, the drainage cabin can quickly remove the water in the affected area, reducing the impact of the disaster. Multifunction integration: In addition to the drainage function, it also has the power generation and lighting functions, which can provide a full range of emergency support for the disaster areas. Intelligent operation: Some drainage cabins are equipped with an intelligent LCD control panel, which can achieve one-click operation. The equipment can be left unattended and users can monitor and control it remotely. Adaptation to complex environments: The self-loading and unloading mobile drainage cabin has the automatic lifting function. It can flexibly cope with various complex environments, such as complex and changeable terrain conditions or adjust the working height according to the actual drainage needs. Good sealing performance: The fixed drainage cabins have good sealing performance and can provide environmental protection for the equipment.

Dingbo Power QZ Series Self-Priming Diesel Engine Water Pump Units are designed for municipal sewage and industrial wastewater treatment plants, as well as graded and centralized wastewater treatment systems. Features of QZ Series Self-Priming Diesel Engine Water Pumps 1. Dual-bearing supported main shaft ensures stable performance and reliable operation. 2. Integrated vacuum system enables quick self-priming with high suction efficiency, achieving a maximum suction lift of 8 meters. 3. Double suction impeller delivers higher flow rate and head capacity. 4. Non-clogging impeller design ensures superior solids handling and passage capability. 5. Independent low-pressure oil-free maintenance-free vacuum pump allows self- priming without pre-filling water, paired with a mechanical water-vapor separator tank for enhanced operational reliability.

Our horizontal split double suction pumps adopt a horizontally split symmetric double-suction structure with bearings positioned at both ends. The pumps employ a centrifugal double-suction impeller with symmetric design, ensuring inherently balanced axial forces. The double-suction split-case pumps are equipped with a vacuum-assisted priming system, comprising a vacuum priming unit, vacuum pump, and accessories, where the vacuum pump is driven by the main diesel engine. Advantage of Trailer-mounted Double Suction Horizontal Split Case Pumps for Irrigation and Drainage Structural Advantages: Compact structure, aesthetic appearance, excellent stability, and easy installation. Optimized Impeller Design: Axial force minimization through aerodynamically optimized impeller geometry. Superior hydraulic efficiency with ultra-smooth surfaces on the pump casing and impeller, achieved via precision casting technology. Exceptional cavitation resistance and high efficiency (up to ISO 5199 standards). Sealing & Reliability: Mechanical seals or packing seals for shaft sealing, ensuring leak-free operation for up to 8,000 hours. Premium Bearings: SKF and NSK bearings guarantee smooth operation, low noise levels, and extended service life (exceeding 20,000 hours under rated conditions).

Dingbo Power CZ series trailer-mounted diesel engine water pumps integrate high-performance vacuum system, P-S-P auto-switching system, dry-run protection system, efficient cooling system, easy-disassembly structure, non-clogging impeller design and self-cleaning slag discharge. These units are capable of handling liquids containing large solid particles, making them ideal for municipal sewage management, flood control projects, and agricultural irrigation. Advantage of Mobile Trailer Mounted Self Priming Pumps No Pre-Filling Required: The self-priming pump automatically draws liquid during initial startup or after prolonged shutdown, eliminating manual priming required by traditional pumps. Exceptional Adaptability: Operates reliably in extreme environments, including high-altitude regions and sub-zero temperatures, ensuring uninterrupted performance.  High-Power Performance: Equipped with an optimally matched diesel engine that delivers robust power to meet varying flow rates and head requirements. Low-Maintenance Design: Compact structure with minimal components reduces failure rates, while easily accessible parts simplify inspection and maintenance. Cost-Effective Operation: No reliance on grid power—ideal for remote or power-unstable areas. Lower long-term costs and superior ROI compared to electric pumps.

CZW Diesel engine driving self-priming sewage pump Application: Flood control and drainage works, Rainwater and general sewage, Municipal sewage works, construction sites and civil air defense drainage stations, Waste water from industries such as light industry, paper making, textile, food, chemical industry, electric industry and mining, Sewage discharge in residential areas, Sewage and sediment from the water purification system, Tannery, slaughterhouse sewage, river breeding, Brewing and sugar, sewage discharge or drainage the water which has been seriously polluted. Structure and features: CZW diesel engine sewage pump unit integrates self-priming and non-clogging sewage and adopts the diesel engine to drive the axial backflow outward mixing type. The pump body and impeller have the unique design. It does not need to install the bottom valve and pour water when pump works. The pump unit can absorb and discharge the liquids with large particle solid and long fiber etc. impurity. The pump unit can be widely used in municipal sewage and waterlogging control engineering, agricultural irrigation, etc. The diesel engine pump has the characteristics of simple structure, good self- priming performance, strong sewage discharge capacity, high efficiency and energy saving, easy to use and maintain Main parts: 1 - Diesel engine pump set has the main parts such as diesel engine, water pump, coupling, cooling fan, cooling water tank, steel structure base (including bottom fuel tank 80-120L), battery and connection parts, exhaust muffler, control panel. 2 - The standard design is a combination of pump unit, bottom oil tank, control panel and battery etc. 3 - According to customer requirements, diesel engine driving sewage pump can be designed into a pump group, bottom oil tank, control panel, battery, movable wheel, outdoor rain box etc. 4 - It can be designed into a trailer (four-wheel or two-wheel) mobile type according to customer requirements. Working conditions: 1 - Ambient temperature ≤50℃, medium temperature ≤80℃, special requirements up to 200℃. 2 - The PH of the medium is 6-9 for cast iron and 2-13 for stainless steel. 3 - The medium weight shall not exceed 1240kg/m3. 4 - The height of self-suction shall not exceed 4.5-5.5m, and the length of the suction pipe shall not exceed 10m.

Minimum Order: 1 bags

W Single stage vortex pump Pumped liquids (clean water or other liquid like water) W single-stage direct-connect vortex pump is used for pumping water or other liquids with physical and chemical properties like water. Liquid temperature is less than 60. Vortex pump is often used in boiler feed water, shipbuilding, textile, chemical, metallurgy, machinery manufacturing, aquaculture, fixed fire control voltage, heat exchange unit and remote sprinkler irrigation agriculture departments and has a wide range of applications Features Vortex pump is a kind of vane pump with small flow and high lift. It has low efficiency and steep drop in performance curve. Compared with other vane pumps, vortex pump is of different structure. Simple, small size, light weight, with self-priming ability or with the help of a simple device to achieve self-priming. Structure: Vortex pump is Suitable for transporting clean liquid without solid particles with viscosity less than 15°E. It is mainly composed of impeller, pump body, pump cover and so on. The annular flow is formed between Pump body and impeller. The liquid is sucked from suction port and obtains energy through the rotating impeller and then is discharged from discharge outlet. There is a partition between suction and discharge outlet, and there is a small gap between the partition and impeller. Performance Flow: 1.44-14.4m3/h Head: 25-120m Motor power: 0.75kw-11KW Caliber: 25mm-65mm 2900rpm/1450rpm Application: Chemical industry, petroleum, light textile, electric power and other factories and mines of industrial production of water, boiler feed water, heating water supply, high-rise buildings, firefighting, heat cycle water supply, manufacture of frozen heatstroke cooling drinks and canteen, food disinfection high pressure water supply and other applications

Minimum Order: 1 bags

In the demanding world of heavy machinery, equipment such as excavators and concrete mixers operate in harsh, abrasive, and high-load environments. To ensure long-term reliability and protect internal components, high-quality sealing solutions are essential. Among the most commonly used are NBR (Nitrile Rubber) and FKM (Fluorocarbon Rubber) oil seals, designed for high precision and industrial durability. This article focuses on how these materials are applied in sealing systems for excavators and concrete mixers, and what factors to consider when selecting the right oil seals for these machines.

Minimum Order: 100

FSY, WSY vertical FRP submerged pump FSY type and WSY Type vertical fiberglass submerged pump are two types of pumps produced by our company. FSY type vertical fiberglass submerged centrifugal pump and WSY vertical fiberglass submerged vortex pump. Submerged pumps FSY and WSY vertical fiberglass submerged pump are all immersible into the tank and submerged depth of pump is between 800mm and 3000mm. As long as the liquid is higher than the pump body, FSY type and WSY type pump can work without filling. There is a leakage hole under the flat cover plate to prevent the liquid from leaking out of the storage tank. Material: FRP The flow parts which contact with liquid are for polyvinyl butyral modified phenolic glass fiber, high temperature molding phenolic FRP material. The connecting tube and fluid pipe are made of rolled semi dry process phenolic fiberglass pipe. The impeller shaft sleeve assembly all use phenolic daub and pump shaft stick into an organic whole. The parts assembly under liquid are for phenolic daub binder. The wet parts for pump are all for fiberglass reinforced plastic. No metal material contacts with the fluids. Features: Corrosion resistance performance is absolutely reliable. Pump has light weight, high strength, no deformation, heat resistance, corrosion resistance and other excellent properties. FSY type and WSY type vertical fiberglass submerged pump can partially replace precious metals pumps such as molybdenum containing stainless steel, titanium and titanium alloy pumps. Rotation direction: the pump is driven directly by the motor through the claw type elastic coupling, and the pump rotates clockwise from the motor end. Application: FSY, WSY vertical FRP submerged pump is widely used in chemical, petrochemical, refining, dyestuff, pesticide, pharmaceutical, rare earth, fertilizer and other industries. Pumped liquid is without suspended solid particles, not easily crystallized. Liquid temperature is not higher than 100 ℃. Pumped liquids: all kinds of oxidizing acid (hydrochloric acid, thin sulfuric acid, formic acid, acetic acid, butyric acid) of corrosive liquids.

Minimum Order: 1 bags

S, SH Horizontal centrifugal double suction split case pump S single-stage double-suction horizontal split case centrifugal pump is a new energy-saving horizontal centrifugal pump. It is mainly composed of pump body, pump cover, shaft, impeller, seal ring, shaft sleeve, bearing etc. parts. Its suction inlet and outlet are below the pump shaft. During maintenance, as long as the pump cover is lifted, all parts can be removed for maintenance. Convenient maintenance, no need to disassemble inlet and outlet pipelines and motors, high efficiency and energy saving, wide application range. Pumped liquids S double suction split case horizontal centrifugal pump is used to convey clean water or other liquids with physicochemical properties similar to water. When changing the structure and material of the pump according to the user's demand, it can be used for conveying muddy water or various corrosive liquids. Its performance conforms to basic parameters according to JB/1050-93 single suction double suction clean water centrifugal Pump. Application Suitable for factory, mine, city water supply, power station, tap water, farmland irrigation and various water conservancy projects. Factories, mines, urban water supply, power stations, irrigation and drainage of farmland and various water conservancy projects with big discharging capacity. Model meaning: 300 S 90 A 300 -- Suction diameter (mm) S - single stage double suction centrifugal pump 90 -- Design head (m) A - The impeller is cut for the first time Technical parameters Flow rate: 80-15000 m3 / h Head: 19-100 - m Speed: 1450-2900 r/min Inlet and outlet diameter: 25-500 Φ Φ Liquid Temperature range: ≤0~+80℃ Working pressure: ≤ 1.6mpa

Minimum Order: 1 bags

In the field of industrial automation and machinery, pneumatic seals are essential components that ensure air-tight operation in systems powered by compressed air. Whether used in pneumatic cylinders, valves, or actuators, these seals play a critical role in maintaining performance, reducing leakage, and enhancing the efficiency of equipment. For manufacturers, maintenance providers, and distributors, sourcing pneumatic seals in bulk is a practical choice that supports cost efficiency and consistent supply. This article explores the key features of pneumatic seals, their application in industrial machinery, and answers frequently asked questions to assist in informed purchasing decisions. Understanding Pneumatic Seals Pneumatic seals are designed to contain pressurized air within a system while preventing external contaminants like dust or moisture from entering. Unlike hydraulic seals, which must withstand high fluid pressures, pneumatic seals are optimized for lower pressures but higher speeds and more frequent cycles. Common types of pneumatic seals include: Rod seals – prevent air from escaping around the rod during extension or retraction Piston seals – maintain air pressure between chambers within a cylinder Wiper seals – remove debris from the rod surface before it enters the system O-rings and backup rings – used in static or low-motion sealing points Material Options for Pneumatic Seals Choosing the right material is essential for sealing performance and service life. Typical options include: NBR (Nitrile Rubber): Good for general-purpose applications, offering basic oil and air resistance PU (Polyurethane): Known for high wear resistance and mechanical strength in dynamic applications FKM (Fluorocarbon): Suitable for higher temperature and chemical exposure EPDM: Often used where resistance to steam or water-based fluids is required Each material has its strengths depending on temperature, speed, chemical compatibility, and application requirements. Why Bulk Purchasing Makes Sense For industrial users, buying pneumatic seals in bulk offers multiple advantages: Lower cost per unit through volume discounts Reduced downtime by maintaining inventory for quick replacement Consistent product availability to support high-volume production or maintenance schedules Customization options available for OEM or private label requirements Bulk options typically include a mix of standard sizes and profiles used in the most common pneumatic components. FAQs: Pneumatic Seal Bulk Supply Q1: Are pneumatic seals standardized across different brands? A: Many seals follow ISO or DIN dimensions, but some machines require custom seals. It's important to check size and groove specifications before placing a bulk order. Q2: What should I consider when choosing a supplier? A: Look for suppliers who provide material certifications, dimensional accuracy, and stable lead times. Technical support and customization services are also helpful. Q3: Can the same seals be used for both hydraulic and pneumatic systems? A: Not always. Pneumatic seals are designed for air systems and may not handle the pressure or chemical exposure found in hydraulic environments. Q4: How do I store pneumatic seals for long-term use? A: Keep them in a cool, dry place away from sunlight and ozone-generating equipment. This helps prevent premature aging of the rubber. Pneumatic seals may be small components, but they have a significant impact on the efficiency and reliability of industrial machinery. Choosing the correct material and seal design—and securing them in bulk—can reduce long-term maintenance costs and ensure smoother operations. If your business relies on pneumatic systems, consider partnering with a trusted supplier who understands your industry and offers reliable bulk sealing solutions tailored to your operational needs.

Minimum Order: 100

Mixed flow volute pump HW mixed flow pump is between centrifugal pump and axial flow pump. The pump has Small size, light weight, simple structure and it is easy to use and maintain. The conveyed medium is clean water or similar liquid. HW mixed flow pump is suitable for farmland drainage and industrial water supply and drainage. HW type mixed flow pump is horizontal single suction volute mixed flow pump. The pump is suitable for conveying clean water or other liquids with physical and chemical properties similar to water. It is used in farmland drainage and irrigation, industrial and urban water supply and drainage. HW volute mixed flow pump is mainly composed of pump cover, impeller, pump body, pump shaft, shaft sleeve and bearing body (diameter ≤350MM) or bearing frame (diameter ≥400mm) and other main parts. performance capacity: 180-3665m3/h Head: 3.0-20.7 m Supporting power: 3-250kW Features: 1 - simple structure, convenient usage, high efficiency, small size, light weight 2 - Transmission mode: direct transmission and variable transmission. The commonly used driven engines are electric motors and diesel engines. Motor with shaft coupling and diesel engine with pulley. 3 - Pump rotation: Viewed from pump inlet the impeller is generally for counterclockwise. Model Description: HW-300 7 s 300: pump inlet and outlet diameter (300mm) HW: Volute mixed flow pump 7: Head (7M) S: structural form (front and back door open structure) Adopt standard HW-S pump, with GB/T13008 JB/T6667 standard design and manufacture.

Minimum Order: 1 bags