Tools & Hardware

When discussing industrial equipment, shaft oil seals are often overlooked as minor components. Yet, their role is fundamental to the reliability and efficiency of machinery. Distributors and wholesalers know that highlighting the advantages of oil seals is essential, because these parts directly influence maintenance costs, downtime, and customer satisfaction. 1. Key Advantages of Shaft Oil Seals Preventing Lubricant Leakage Equipment such as pumps, compressors, and gearboxes rely on lubricants to minimize friction. Shaft oil seals prevent lubricants from escaping along the rotating shaft, ensuring consistent lubrication. For distributors, this translates into reduced maintenance expenses for end-users. Blocking Contaminants Industrial environments—chemical plants, steel mills, mining sites—are filled with dust, particles, and liquids. Oil seals act as barriers, keeping contaminants out of sensitive components like bearings and gears. Wholesalers often emphasize this benefit, as it directly reduces equipment failure rates. Extending Service Life By maintaining proper sealing, oil seals reduce wear and tear on moving parts. This prolongs the lifespan of bearings and gears, which is a strong selling point for distributors aiming to demonstrate long- term value to customers. 2. Typical Applications Chemical Processing Equipment: Corrosion-resistant seals are widely used in pumps and mixers exposed to aggressive media. Automotive and Construction Machinery: Engines, transmissions, and hydraulic systems rely on oil seals to maintain lubrication and block dust. Household Appliances: Washing machines and air-conditioning compressors also depend on oil seals to prevent leakage. 3. Material Considerations Different operating conditions require different materials: Nitrile Rubber (NBR): Suitable for general lubricants, cost-effective. Fluoroelastomer (FKM): Resistant to high temperatures and chemicals, ideal for automotive and chemical industries. Polytetrafluoroethylene (PTFE): Low friction coefficient, suitable for high- speed rotating equipment. Distributors often stock a mix of these materials to meet diverse customer demands across industries. 4. Installation and Usage Guidelines Smooth Shaft Surface: Any scratches or roughness accelerate seal wear. Avoid Misalignment: Incorrect installation causes uneven stress on the sealing lip, shortening service life. Proper Lubrication: Applying lubricant to the sealing lip before installation reduces initial wear. These practical tips are frequently shared by wholesalers with their clients, as proper installation minimizes complaints and warranty claims. 5. Common B2B Questions Q: What do customers care about most? A: Durability and compatibility. Distributors should provide multiple material and size options to address different needs. Q: How to reduce inventory risks? A: Wholesalers usually keep standard sizes in stock and maintain flexible supply channels with manufacturers. Q: How to strengthen after-sales service? A: Offering installation guidance, periodic inspection recommendations, and quick replacement solutions helps build stronger customer relationships. The main advantages of using shaft oil seals in industrial equipment lie in ensuring operational stability, reducing maintenance costs, and extending service life. For distributors and wholesalers, understanding these benefits and communicating them effectively to clients is a decisive factor in market competitiveness. Though small in size, oil seals play an irreplaceable role in the industrial supply chain.

Minimum Order: 1000

3GC Self priming triple screw pump for fuel oil transfer The three spindle screw pumps consist of general design type 3G, marine usage pump 3GC and three screw pumps of special design. The three-spindle screw pump is a positive displacement rotary pump. Inside the pump casing, as the flanks of teeth of drive screw and idler screws are engaged and the screws are also matched with the three inset holes, several sealed moving chambers are thereby formed in between the pump inlet and outlet end. The closed chambers will take the medium inside to move from the inlet end axially and let flow pressurized progressively, to have a continuous, constant, axial flow pressured liquid. Triple screw pumps are suitable for pumping various kinds of non-corrosive oil without contents of solid grains and liquids similar to lubricating oils. The viscosity could also be pumped after heating up (lowering down the viscosity) The flow range : 0.2 to 590m3/h, Max. working pressure:100bar, the highest temperature of pumped liquids: 150 degree Celsius. 1. Simple in construction: The pump has quite a few construction forms. General for small flow range (0.2 to 6.5m3/h), pump casing and insert is made in one part. Mechanical seal is used as the pump shaft seal. For marine application pumps, installation forms could be horizontal or vertical, with marine AC or DC drivers. 2. Long life time: As the drive screw is driven by motor and there is no mechanical contact between the drive screw and the idler screws, the idler screws are hydraulically driven by the pressured liquid, between the drive screw and idler screw, screws set and insert, an oil film is formed, so the mechanical frication is minimized and a longer life is ensured. 3. The medium to be pumped is in a manner of constant axial flow movement, so the pressure pulsation is almost eliminated, meanwhile the noise is lowered, and as the moving parts have a little inertia, the starting torque and vibration is very little. 4. Pump have a very high suction capability. 5. In order to ensure the safe working of pump, motor, piping system, pumps for a capacity higher than middle flow range are all equipped with safety valves. Pressured oil will circulate back to suction chamber.

Minimum Order: 1 bags

Yuma Precision provides high-performance 20(ByG1.8) Stepper Motor Stator and Rotor Cores, designed for industrial automation, robotics, and precision equipment. These motor cores are engineered for enhanced efficiency, precise control, and reliable performance in various motor-driven systems. Key Features: Efficient Design: Optimized for high torque and low energy consumption, ensuring smooth operation. Precision Control: Ideal for applications requiring accurate stepper motor control, such as robotics and CNC machinery. Durable Construction: Made from high-quality materials to ensure long-lasting performance and reliability in demanding environments. Applications: Perfect for industrial automation, robotics, 3D printing, and other precision applications where accuracy and durability are critical.

14(BYG1.8) Stepper Motor Stator and Rotor Core The 14(BYG1.8) Stepper Motor Stator and Rotor Core from Yuma Precision is designed for high-performance stepper motors, ideal for applications in industrial automation, robotics, and 3D printing. Made with precision- engineered silicon steel laminations, these cores provide enhanced efficiency and durability, ensuring optimal motor performance in demanding environments. Stepper Motor Core Key Features High Precision: Manufactured to strict tolerances, ensuring smooth and reliable stepper motor operation. Energy Efficiency: Reduces energy consumption, enhancing the overall performance of the motor. Durability: Built for long-lasting operation in high-demand applications. Customizable: Available in various configurations and sizes to meet specific customer requirements. Applications The 14(BYG1.8) Stepper Motor Stator and Rotor Core is ideal for use in: Industrial automation systems Robotics and robotic arms 3D printing machines Automated manufacturing processes

Yuma Precision offers cutting-edge frameless motor cores, designed for industries requiring high efficiency and precision. Our motor cores are made from high-quality silicon steel laminations, providing optimal performance in industrial automation, robotics, new energy vehicles, and more. Key Features High Precision: Manufactured with exacting standards for reliable and efficient motor operation. Versatile Applications: Ideal for stepper motors, servo motors, and permanent magnet motors across diverse industries. Energy Efficiency: Our frameless motor cores help reduce energy consumption while enhancing motor performance. Custom Solutions: Tailored to your specific requirements, offering various sizes and configurations.

Permanent Magnet Motor Core - High-Efficiency Motor Solutions Yuma Precision provides premium Permanent Magnet Motor Cores designed for high- performance motors in industrial automation, electric vehicles, and precision equipment. Our cores ensure excellent efficiency, stability, and durability, supporting optimal motor performance across various applications. premium Permanent Magnet Motor Cores Key Features: High energy efficiency and low heat generation Precision engineering for superior motor performance Customizable designs to meet specific project needs Rapid prototyping and reliable mass production Applications: Industrial automation Electric vehicles (EVs) Robotics Medical and electronic devices

Yuma Precision specializes in manufacturing high-quality Linear Motor Cores designed to deliver superior performance for industrial automation and robotics. Our cores are engineered for precision, energy efficiency, and durability, supporting seamless motion control in a wide range of applications. With over 50 patents and extensive R&D capabilities, we provide custom solutions tailored to meet your specific requirements. Linear Motor Core Key Features: High precision and stability Energy-efficient design Customizable options for various industrial needs Quick prototyping and reliable mass production Applications: Industrial automation Robotics CNC machines Motion control systems

This pump is a single-stage single suction cantilever vortex self-priming pump, suitable for transporting seawater and freshwater without solid particles or impurities on ships Model meaning 1WZ-0.9 1: Pump Inlet and Outlet Diameter is 1 inch(25mm) WZ：Marine Self-priming Horizontal Vortex Pump 0.9: Specific Speed Divide 10 (integer)

Minimum Order: 1 bags

Our main products include 1. Deep-processing tungsten carbide rods, tubes, plates. 2. Various kinds of deep-processing non-standard parts that resist abrasion, acid, alkali and erosion; 3. Deep-processing composite work-pieces of tungsten carbide and steel. 4. Widely used in industries of petroleum, petrochemical, subsea oil fields, mining mechanism, electron, battery, steel rolling, alumina, war industry and so on. 5. Valve seat, Gas lift valve seat,Carbide nozzle, Carbide throat, carbide bushing , carbide sleeve, carbide ball. 6. Customized tungsten carbide component according to client requirement. Quality control Zhuzhou Beifang Cemented Carbide Co., Ltd have strict quality control system, our QC team will responsible for every single order, from the raw material inspection, semi-product inspection and final production inspection. We have the first class inspection machines to support, including Cobalt magnetic detector, TRS testing machine, Metallographic microscope. Professional Service and Feedback Welcome to contact us for tungsten carbide solutions, we will reply you within 24 hours.

Minimum Order: 1 bags

Open impeller Sewage centrifugal horizontal pump PW, PWF type sewage pump is single stage, single suction, cantilever type centrifugal sewage pump. The pump inlet is in the axial horizontal direction, and the pump outlet can be installed in the horizontal or vertical direction as required. It is mainly composed of pump cover, pump shell, impeller, shaft seal, shaft, and bracket parts. The shaft seal adopts a novel double-end mechanical seal structure. The pump and the motor are mounted on the common chassis by an elastic coupling. Open impeller There are only two curved blades in the impeller, so the flow passage is wide and can pass the general suspended particles. There are 4 auxiliary blades on the back of the impeller to balance the axial thrust. Advantages: The pump has the advantages of high efficiency, remarkable energy saving, stable operation, reliable performance, and convenient maintenance. PW sewage pump can be made of cast iron and PWF stainless steel sewage pump is made of stainless steel. PW ordinary sewage pump can transport sewage or wastewater containing suspended solid particles, long fiber materials and domestic wastewater. The pump body is made of high-quality cast iron and the medium temperature is not more than 100℃. PWF type corrosion-resistant sewage pump can transport acidic, alkaline or other corrosive sewage, which is widely used in chemical, petroleum, light industry, food, pharmaceutical, brewing, environmental protection and sewage treatment industries. Pump body and the flow parts are made of 304 stainless steel. medium temperature is not higher than 100℃. Technical Parameters: Q: 36-1000 m3 / h Head: 8.5-48.5 m Motor power: 4-75KW Speed: 960-2950 r/min Caliber: DN65-DN200 Medium temperature: ≤100℃ Model explanation: 80PWF-100 80: Pump outlet(80mm) PW: sewage pump F: Stainless steel sewage pump 100: Pump inlet(100mm)

Minimum Order: 1 bags

Canned motor pump is composed of a shielded electric motor and a pump. It is a power equipment used for conveying fluids. The equipment is mainly composed of pump body, impeller, stator, rotor, front and rear bearings, thrust disc and other components. The stator and rotor are separated by non-magnetic corrosion-resistant thin-walled sleeves, and the rotor is supported by front and rear bearings immersed in the conveying medium, so no type of dynamic seal is required to prevent the outward leakage of the conveyed medium. Overall, shielded pumps are centrifugal unsealed pumps. Shielded pumps are absolutely leak free, and under negative pressure inside the pump, external gases will not be sucked in, making them particularly suitable for vacuum system operation; At the same time, it is suitable for high pressure, high melting point, and high and low temperature media. Shielded pump has a compact structure, small volume, and light weight; No cooling fan, low noise, wide range of use, reliable operation, can provide a relatively good working environment. A typical shielded pump uses a portion of the conveyed liquid to cool the motor, and the annular gap is very small, so the conveyed liquid must be clean. When transporting multiple liquid mixtures, if they produce precipitation, coking, or gel like substances, using a shielded pump (non mud type) at this time may block the shielding gap, affect the cooling and lubrication of the pump, and lead to burning of graphite bearings and motors. Shielded pumps generally have circulating cooling pipes. When the ambient temperature is below the freezing point of the pumped liquid, anti freezing measures such as accompanying pipes should be taken to ensure easy pump start-up. In addition, when starting the shielded pump, the opening sequence of the outlet valve and the inlet valve should be strictly followed. When stopping the pump, the outlet valve should be closed first. After the pump stops running, the inlet valve should be closed first and then the outlet valve should be closed. In short, by using a shielded pump, there is no leakage at all, effectively avoiding environmental pollution and material loss. As long as the selection is correct and the operating conditions do not change abnormally, there is almost no maintenance workload under normal operation. Shielded pumps are ideal pumps for transporting flammable, explosive, corrosive, and valuable liquids According to the temperature, pressure, viscosity, and presence of particles of the transported liquid, shielded pumps can be divided into the following types. The temperature of the basic conveying medium shall not exceed 120 ° C, and the head shall not exceed 150m. Various other types of shielded pumps can be obtained by modifying and improving the basic model. In this type of shielded pump, the direction of liquid flow for bearing lubrication, cooling, and motor cooling is exactly opposite to that of the basic type. Its main feature is that it is not prone to cavitation and is particularly suitable for the transportation of easily vaporized liquids, such as liquefied petroleum gas, chloromethane, etc. High temperature type generally transports media with a maximum temperature of 350 ° C, a maximum flow rate of 300m3/h, and a maximum head of 115m, suitable for high-temperature liquids such as oil and hot water. High melting point pumps and motors with jackets can significantly improve the heat resistance of the motor. Suitable for high melting point liquids, with a maximum temperature of 250 ° C. The jacket can be filled with steam or liquid at a certain temperature to prevent crystallization of high melting point liquids. The casing of a high-pressure shielded pump is a high-pressure vessel, which enables multi-stage pipeline pumps to withstand high system pressures. To support the shielding sleeve under high internal pressure, the stator coil can be used to withstand pressure. When the self-priming suction tube is not filled with liquid, the pump discharges the liquid through automatic pumping, which is suitable for extracting liquid from underground containers. The multi-stage type is equipped with multiple impellers, suitable for high head fluid transportation, with a maximum head of up to 400m. Mud type is suitable for transporting liquids mixed with large amounts of mud

Minimum Order: 1 bags

WQD-S series all stainless steel precision cast sewage submersible pump adopts a unique single and double channel impeller structure, which greatly improves the passage capacity of sewage and can pass through fibers with a diameter 5 times that of the pump. Adopting fluororubber double end face mechanical seal and fluororubber radial O- ring seal, it effectively seals and protects liquids in harsh environments. Adopting precision cast pump casing, it is lightweight, corrosion-resistant, energy-saving, aesthetically pleasing, easy to maintain, and does not require the construction of a pump room. It can work underwater, reducing project costs Install overheat and current protectors inside the electric pump to prevent motor overload and overheating. Customized anti-corrosion cables, PTFE machine seals, and high-temperature liquid component configurations can be made according to specific customer requirements 220V, single-phase pump can be equipped with float switch Main application Suitable for buildings, hospitals, residential areas, municipal engineering, road traffic and construction, factory sewage, aquaculture, pharmaceuticals, beverages, seawater and saltwater, solid particles in general corrosive media, long fiber wastewater, sewage discharge

Minimum Order: 1 bags

TLRP stainless steel rotary pump relies on two synchronously counter rotating rotors to generate suction (vacuum degree) at the inlet during the rotation process, thereby sucking in the material to be conveyed. Two rotors separate the rotor chamber into several small spaces and operate in the order of ABCD; When operating to position A, only chamber I is filled with medium; When reaching position B, a portion of the medium is enclosed in chamber B; When reaching position C, a portion of the medium was also enclosed in room A; When reaching position D, chambers A and B are connected to chamber II, and the medium is transported to the discharge port. Selection of transmission driver/motor 1 - Motor with fixed ratio reducer: This transmission method is simple, with a constant rotor speed, which determines the non adjustability of the flow rate. 2 - Motor with mechanical friction type continuously variable transmission: This type of transmission is achieved through manual adjustment, characterized by safety and reliability, high torque, and infinitely adjustable flow rate. The disadvantage is non automatic adjustment, which is more complicated. The speed regulation is carried out during operation and cannot be adjusted while the machine is stopped. Its use and maintenance should refer to the manufacturer's user manual. 3 - Variable frequency motor with frequency converter: This method can achieve automatic adjustment of speed, that is, infinite adjustment of flow rate. Its advantages are high degree of automation and large low-speed torque. The disadvantage is that the price of the frequency converter is relatively high. Refer to the manufacturer's user manual for its use and maintenance. Feature: 1 - Maintain a certain gap between rotors and between rotors and pump bodies, with no friction coefficient and long service life. 2 - Easy to assemble and disassemble, convenient to maintain and clean, with few vulnerable parts. 3 - Effective energy saving, low failure rate, reliable sealing, and low noise. 4 - After using special materials, it can transport media containing solid particles such as sludge and sewage. 5 - The transportable medium has a viscosity of is no more than 2 million cp and a slurry with a solid content of 60 percent. 6 - After configuring the transformer, the flow rate can be adjusted freely and it can be used as a general metering pump. 7 - According to user connection requirements, flange type, screw type, and clamp type can be selected. 8 - Can transport mixed materials of air, liquid, and solid phases. 9 - The insulation cooling pump adopts a built-in structure with good thermal conductivity. 10 - The mobile pump can suction various barrel materials, with a suction vacuum degree of 0.08Mpa 11 - According to user requirements, a sanitary safety valve can be installed on the pump head.

Minimum Order: 1 bags

condensate pump is an industrial device used in thermal power plants to transport condensate and other similar liquids. It belongs to the horizontal centrifugal pump category, featuring single-stage, two-stage, and inducer wheel configurations. The flow components are made of cast steel or stainless steel, and the driving method is electric motor. N-type condensate pump has a flow rate range of 5-137 m³/h and a head range of 22- 170 m. Models such as 100N130 and 150N110 can achieve water drainage via cooling water. It features a soft packing seal and a cantilever bracket bearing structure, with operating temperatures categorized into two scenarios: 120°C (for condensate water) and 80°C (for steam condensate). This pump is suitable for steam turbine generator units ranging from 750 to 3000 kW. During installation, it is essential to ensure independent pipeline support and maintain an alignment error of ≤0.1 mm between the pump shaft and motor shaft. Some power plants employ variable frequency speed regulation technology to adjust flow rates, thereby reducing energy consumption and improving operational efficiency. Condensate Pump is Suitable for Medium: Fresh Water Medium Temperature: 0°C to 120°C Condensate Pump Application Range The 100N130 and 150N110 models can transport liquids at temperatures up to 120°C, while other pumps are limited to a maximum temperature of 80°C. flow range: 12—120 m³/h head range: 38–135 m Model Description: The meanings of 3N6X2 and 4N6A 3, 4—Inlet pipe diameter (in); N—Horizontal Cantilever Condensate Pump; 6—The single-stage head is divided by 10 and rounded to the nearest integer, resulting in a single-stage head of approximately 60 meters; 2——stage, indicating that the pump has two stages; A——The impeller has been cut (with a reduced outer diameter).

Minimum Order: 1 bags