Mechanical Hardware

CWX marine horizontal self priming centrifugal vortex pump CWX horizontal self priming centrifugal vortex pump is applicable to transport seawater and fresh water for drinks, washing and sanitary with the temperature no higher than 85 degree C. When the impeller of CWX Marine self-priming vortex pump rotates, centrifugal force is generated. Under the action of this centrifugal force, the liquid flows into the blade root from the side face of the pump shell and is thrown outward to the groove of the cover plate on both sides. This part of liquid originally moves in a circle with the blade and has a certain velocity energy. In the groove of the cover plate, velocity energy changes into pressure energy. And then it's grabbed by the leaf. In the process of the liquid particle from the inlet to the outlet, such action is repeated many times, and the energy increases successively, just like the liquid in the centrifugal pump by the multi-stage impeller action. Liquid in the channel along with the star impeller movement, to the cut-off point, because the channel is suddenly blocked, liquid from the outlet hole out. The exit hole is set on the exit cover plate, and the entrance hole is set on the entrance cover plate, which is opened in the place where the groove suddenly appears behind the cut-off area, where the negative pressure is obviously to absorb the liquid. CWX Marine self-priming vortex pump performance characteristics (1) the characteristics of small volume and light weight of vortex pump have great advantages in Marine installations. (2) having self-priming ability or realizing self-priming by means of simple devices. (3) the head characteristic curve has a steep drop, so it is not sensitive to the pressure fluctuation in the system. (4) some vortex pumps can realize the mixture of vapor and liquid. This is of great significance for pumping volatile liquid containing gas and high temperature liquid with high vaporization pressure. (5) vortex pump structure is simple, casting and processing technology are easy to achieve, some vortex pump parts can also use non-metallic materials, such as plastic, nylon molded impeller.

Minimum Order: 1 bags

TRP Stainless steel lobe rotor pump: TRP Series stainless steel sanitary rotor lobe pump can be named colloidal pump. It has more special function than normal rotor pumps. The TRP Series stainless steel sanitary pump is specially suitable for high viscosity jelly. The pumped materials will not be changed after the delivery. All wet parts of TRP Series sanitary rotor lobe pump are made of stainless steel and the pump is used to pump the fluids with high viscosity or thickness or with solids. Liquids temperature range: -30 to 200 Degree Celsius. High pressure of outlet makes sure the long distance and high resistance transportation with stable capacity. There is no touch of two rotors. So no abrasion even after long time work. It has the merits of stable work, low noise and easy assembly and disassembly. The pump is widely used in health, food, chemical industry areas etc.

Minimum Order: 1 bags

In the automotive industry, ensuring optimal engine performance and long-term reliability depends heavily on the quality of sealing components. Among these, profile seals and high-temperature engine oil seals play a crucial role in maintaining airtight sealing in high-stress environments. Whether for vehicle manufacturing, large-scale maintenance projects, or aftermarket distribution, bulk purchasing of these seals is a strategic move that combines cost efficiency with consistent supply. This article explores the key considerations and advantages of sourcing automotive profile seals and high-temperature engine oil seals in bulk. 1. Understanding Profile Seals and High-Temperature Engine Oil Seals Profile seals are specialized sealing components used in various automotive applications, including doors, windows, trunk lids, and engine compartments. They are designed with complex cross-sectional shapes to provide multi- directional sealing and noise isolation. These seals must withstand constant mechanical pressure, temperature variations, and exposure to dust, water, and chemicals. On the other hand, high-temperature engine oil seals are installed in the engine’s rotating parts, such as the crankshaft, camshaft, and valve covers. These seals are required to maintain sealing performance in extreme conditions —exposure to hot engine oil, high rotational speeds, and fluctuating pressure. Failure of such seals can result in oil leakage, reduced engine efficiency, or severe mechanical damage. 2. Material Selection: A Key to Performance When purchasing these seals in bulk, material selection is critical. Different materials offer different strengths depending on the operating conditions. FKM (Fluorocarbon Rubber): Known for exceptional heat resistance (up to 250°C), FKM is ideal for engine oil seals. It also resists chemicals, fuels, and synthetic oils, making it suitable for harsh engine environments. Silicone Rubber: With excellent flexibility and temperature resistance from -60°C to +225°C, silicone is widely used in profile seals for weatherstripping and noise reduction. It is particularly effective in cold climates. EPDM (Ethylene Propylene Diene Monomer): Commonly used for profile seals, EPDM resists weathering, ozone, and UV radiation. It’s a good choice for exterior sealing applications such as door and window frames. NBR (Nitrile Rubber): A cost-effective option with decent oil resistance and mechanical strength, NBR is suitable for engine seals under moderate conditions. Choosing the right material ensures the seals meet performance expectations and reduce the risk of early wear or failure. 3. Benefits of Bulk Purchasing a. Cost Efficiency: Buying in bulk significantly reduces the unit price of each seal. Manufacturers and distributors often offer tiered pricing, with substantial discounts on large orders. This is especially beneficial for automotive assembly plants or repair service networks. b. Inventory Stability: For businesses that rely on regular replacements or mass installations, having a stable inventory is essential. Bulk purchasing ensures availability, shortens lead times, and prevents production delays caused by out-of-stock components. c. Customization Possibilities: Bulk orders often allow for customization of seal dimensions, colors, and packaging. Automotive brands or OEM suppliers can request seals tailored to specific models or performance standards. d. Supplier Relationships: Long-term bulk purchases help establish stable partnerships with suppliers, leading to priority service, technical support, and better quality control oversight. 4. Quality Assurance and Standards When sourcing in bulk, ensuring quality across thousands of units is essential. Reputable manufacturers will comply with international quality management systems such as ISO 9001 or IATF 16949 for automotive components. Buyers should request product certifications, material data sheets, and conduct random quality inspections to verify batch consistency. Additionally, it is advisable to work with suppliers who provide traceability, batch codes, and warranty coverage. High-quality engine oil seals must demonstrate durability under continuous exposure to heat, oil, and vibration. Likewise, profile seals should pass tests for compression set, tensile strength, and UV aging. 5. Choosing a Reliable Supplier For bulk purchases, working with an experienced, well-established supplier is essential. Look for manufacturers with: Proven export experience In-house molding and compounding capabilities Responsive customer service Technical support for design and application China for example has become a major hub for producing high-quality rubber seals at competitive prices. Many Chinese manufacturers offer fast lead times, flexible MOQ (Minimum Order Quantity), and global shipping, making them a preferred choice for buyers around the world.

Minimum Order: 500

PWDDFL multi-suction sewage pump adopts single (double)flow channel and single (double)blades structure for not clogging and no leakage. The pump has compact structure, small volume, smooth operation and little vibration, high efficiency and easy installation and operation. PWDDF multi-suction sewage pump is widely used to transfer the wastewater or waste liquids with solid particles. Features: 1 - Multiple suction heads: each pump has 4 suction heads which are distributed in the center and corner of pump. 2 - With stirring (agitator device): A agitator is installed at the lower part of the main suction head and it can stir up the sediment in the pump pit and effectively prevent the suction head from being blocked. 3 - With metal reamer. The metal reamer is installed on the upper part of the mixing wheel which can used to grind the fiber materials in sewage such as gloves, rags and plastics etc and effectively preventing the water suction head from being blocked. 4 - The pump does not need to be fixed. The main suction head is as suction head and the frame of the pump. Just put the pump in the pump pit to join the outlet pipe. PWDDFL Vertical multi-suction sewage pump is composed of vertical motor and pump body. The pump is for double suction centrifugal impurity pump and impeller is open type. The flow parts can be cast iron, cast steel or stainless steel etc material.

Minimum Order: 1 bags

HTB-ZX-U Series anti-corrosion engineering plastic self-priming pump is horizontal single-stage single-suction cantilever self-priming pump. The pump adopts vacuum pump principle to have the self priming performance. The flow parts for the pumps are made of steel lined ultra-high molecular weight polyethylene (uhmwpe) with excellent corrosion resistance and abrasion resistance. The pump is suitable to pump clear liquid or corrosive medium containing a small number of particles. Compared with other self-priming pumps, this pump has the following significant advantages: This pump adopts vacuum pump principle to complete the process of self- priming with excellent self-priming performance. The pump does not need to be equipped with cushion valve and air control valve and there is no traditional self-priming pump backflow hole. Therefore, it will not happen because backflow hole is clogging for self-priming performance. The pump adopts horizontal cantilever back pull structure. Pump body is composed of liquid storage chamber, vortex chamber, air and water separation chamber for three parts. The pump has a novel structure, compact, beautiful and generous, convenient maintenance, reliable operation, strong and durable characteristics. The pump is equipped with Y4 type of hard to hard mechanical seal. The seal is not only more reliable, longer service life and because it uses the closed cooling structure of the assembly, the seal will not produce acid fog to further protect the environment. The pump is especially suitable to pump the corrosive medium with particles. The pump can be equipped with liquid level control device to achieve automatic control for convenient operation.

Minimum Order: 1 bags

In today's industrial landscape, the demand for reliable and durable sealing solutions is more critical than ever. Seals are essential components that ensure the efficient operation of machinery by preventing leaks, blocking contaminants, and maintaining the integrity of the systems they protect. One of the most trusted names in the industry is DEDE Oil Seal Factory, a leading manufacturer known for supplying high-quality, stock-ready NBR and FKM oil seals for various industrial applications. With a reputation for delivering durable, reliable, and high-performance seals, DEDE has become the go-to choice for businesses worldwide. The Importance of Oil Seals in Industrial Applications Oil seals are essential for ensuring that machinery operates smoothly and efficiently, particularly in harsh industrial environments. They help prevent the leakage of oils and other fluids while simultaneously keeping out dirt, dust, and other contaminants that could damage critical components. In machinery that involves high-speed rotation or intense friction, oil seals are crucial for extending the life of the equipment and reducing maintenance costs. The quality and durability of an oil seal are determined by the materials used in its construction. This is where DEDE Oil Seal Factory excels, offering two of the most widely used and reliable materials in the sealing industry: Nitrile Butadiene Rubber (NBR) and Fluorocarbon Rubber (FKM). NBR Oil Seals: A Reliable Choice for Industrial Applications Nitrile Butadiene Rubber (NBR) is one of the most commonly used materials for oil seals due to its excellent resistance to oils, fuels, and hydraulic fluids. NBR oil seals are widely used in various industrial applications, from automotive engines to hydraulic systems, because of their strong performance in moderate temperature ranges and resistance to chemical exposure. DEDE's NBR oil seals are particularly popular because of their durability and excellent sealing properties, even in challenging environments. Whether used in heavy machinery, compressors, or other industrial equipment, these seals offer long-lasting protection against leakage and contamination. With DEDE's stock of NBR oil seals, industries can rest assured that they are getting a high- quality, cost-effective solution to meet their sealing needs. FKM Oil Seals: Superior Performance in Extreme Conditions For more demanding applications that require high-performance seals, Fluorocarbon Rubber (FKM) is often the material of choice. FKM oil seals offer exceptional resistance to high temperatures, aggressive chemicals, and oils, making them ideal for applications in which regular rubber materials would fail. They are commonly used in industries such as aerospace, automotive, and chemical processing, where high levels of heat, pressure, and chemical exposure are a concern. DEDE's FKM oil seals provide superior sealing capabilities, even under the most extreme operating conditions. These seals can withstand temperatures up to 250°C and are highly resistant to solvents, acids, and alkalis. As a result, industries with stringent performance requirements turn to DEDE for reliable FKM oil seals that help protect sensitive equipment and maintain optimal performance in harsh environments. Stock Availability and Customization One of the key advantages of choosing DEDE Oil Seal Factory is its ability to supply stock-ready seals for immediate shipment. The company maintains an extensive inventory of NBR and FKM oil seals in a wide range of sizes, ensuring that customers can quickly find the right solution for their needs without long wait times. This is particularly beneficial for industries that require fast replacements or have urgent production timelines. Additionally, DEDE offers customization services for customers with specific sealing requirements. Whether it's adjusting the material properties, modifying the size, or tailoring the design to meet unique needs, DEDE's engineering team works closely with clients to deliver customized oil seals that perform optimally in specialized applications. Why Choose DEDE Oil Seals? High-Quality Materials: DEDE uses only premium-quality NBR and FKM rubbers, ensuring that each oil seal is durable, reliable, and capable of handling even the most challenging conditions. Fast Delivery: With an extensive stock of oil seals available for immediate shipment, DEDE ensures fast delivery times, minimizing downtime and maintaining the efficiency of your operations. Custom Solutions: DEDE's ability to provide customized solutions ensures that every customer gets exactly what they need for their unique industrial applications, whether it's a standard seal or a specialized design. Competitive Pricing: DEDE offers cost-effective sealing solutions without compromising on quality, making them a preferred choice for businesses looking for high performance at an affordable price. Global Reach: DEDE Oil Seal Factory serves clients worldwide, providing a trusted source for high-quality industrial seals across various industries. By opting for DEDE is high-quality oil seals, businesses can enhance the efficiency of their machinery and prevent costly downtime. With a commitment to excellence, fast delivery, and customized solutions, DEDE Oil Seal Factory is the trusted partner for industries worldwide looking for durable and reliable sealing solutions.

Minimum Order: 500

FB and AFB stainless steel corrosion resistant centrifugal pump FB stainless steel corrosion resistant pump is suitable for the corrosive liquids without solid particle and the liquid temperature is from -20 to 120 degree Celsius, inlet pressure is not more than 2kg per cm2 - AFB stainless steel corrosion resistant centrifugal pump is improved on the base of FB corrosion resistant pump. AFB Stainless steel corrosion resistant pump adopts new auxiliary impeller and shaft sealing device. AFB stainless steel pump has the advanced hydraulic model, novel structure and high strength combination double end face mechanical seal, which has the advantages of high energy saving, compact structure, stable performance and reliable use. It is a single stage single suction cantilever corrosion resistant centrifugal pump. The pump and the delivery medium contact part of the flow parts, are made of 1Cr18Ni9Ti material(stainless steel). AFB Stainless steel corrosion resistant pump is used to convey the corrosive liquids without solid . The liquids temperature is from -20 to 120 degree Celsius. Pump inlet pressure is not more than 2kg per cm2 - When the pump is equipped with double end face seal and cooling device, the pump can transport the corrosive liquids with the temperature up 300 degree Celsius. FB and AFB stainless steel corrosion resistant centrifugal pump [FB and AFB stainless steel corrosion resistant centrifugal pump] technical parameters: Flow rate: 3.6 to 200m3/h; Head: 15 to 64m; Speed: 2900r/min; Power: 0.75 to 55KW; Inlet diameter: 25 to 150mm; Maximum working pressure: 2.0Mpa. FB and AFB stainless steel corrosion resistant centrifugal pump FB, AFB stainless steel corrosion resistant centrifugal pump is widely used in chemical industry, petroleum, metallurgy, light industry, synthetic fiber, environmental protection, food, medicine and other sectors. The pump uses double end face mechanical seal in order to improve product quality and reduce run, run, drip, leak and prevent pollution. It has the advantages of stable and reliable performance, good sealing performance, beautiful shape and convenient maintenance

Minimum Order: 1 bags

SP submerged slurry pump is for vertical centrifugal slurry pump and submerged in liquid and used to transport abrasive, rough particles, high concentration slurry. The pump does not need any shaft seal and shaft seal water and can work normally under insufficient suction. The flow parts of SP submerged slurry pump is made of wear - resistant metal. SPR submerged slurry pump has the submerged parts with rubber lining and SPR Submerged slurry pump is suitable for conveying non-angular abrasive slurry. According to the slurry pool level, you can choose different length of pump shaft or suction pipe. Adopt various speed and variety mode, make the pump run in the best condition, long service life, high operation benefit. The pump can meet many kinds of bad transportation conditions. Working conditions: It is mainly used for conveying corrosive, rough particle and high concentration slag slurry. The pump is widely used in metallurgy, mining, coal, power, building materials, environmental protection and other departments. Structural installation type: SP type pump is vertical centrifugal slurry pump, the inlet of the pump is vertical downward, the outlet is vertical upward on the other side of the pump. Pump is mainly composed of lower filter, pump body, impeller, shaft, guard plate, bracket and other parts, the upper part of the pump has bearing support. The pump is installed under the fluid, without any shaft seals, and the flow parts are made of wear-resistant materials. The transmission type of the pump has the belt driver and direct driver. The depth of immersion liquid can be determined according to the actual demands of the user within the standard size range. From the direction of the pump inlet, the pump is for counterclockwise rotation.

Minimum Order: 1 bags

TD vertical pipeline centrifugal pump is the upgrade vertical single-stage pipeline centrifugal pump. The pump is equipped with standard motor and mechanical seal. Compared with the previous generation of products, this pump has a wider operating curve, higher efficiency and less susceptible to impurities in the liquid. TD Vertical pipeline centrifugal pumps are designed as pipeline structure which can be pulled out at the top. The pumps adopt innovative detachable mechanical seals, replacing mechanical seals without removing motors. Features Compact and beautiful. Introduction of a new generation of foreign pipeline centrifugal pump model, performance has been greatly improved, the structure is more compact, with IE2/IE3 efficient energy-saving motor, more beautiful and efficient. Easy installation and maintenance. Classic pipeline structure design, the same level of inlet and outlet, more convenient installation, general maintenance can not remove the pipeline system. Low noise. IE2/IE3 high efficiency energy-saving motor, not only higher efficiency, lower noise. Detachable structure. TD vertical pumps are adopted disassembly structure design, mechanical seal maintenance can not remove the pipeline and pump body, convenient and applicable. Performance range: Flow range: 4m3/h to 1200m3/h Head range: 4.5m to 108m Power range: 1.1kw to 200kW Liquid temperature: -15 degree Celsius to 110 degree Celsius Frequency: 50 hz / 60 hz Typical applications Industrial water treatment District heating HVAC Building water supply Municipal water supply and drainage desalination Other industrial applications

Minimum Order: 1 bags

CWF Series sewage cutting pump is centrifugal sewage discharge pump with open impeller. The pump can crush the soft dirt into the domestic sewage and discharge them. The sewage fluid is lower than 85 degree Celsius. The maximum diameter of solid particle of soft sewage after being crushed is not more than 5mm. The ump is also suitable to crush the solidified marine heavy oil at low temperature and to facilitate injection. CWF Series sewage pump is for centrifugal sewage pump with open impeller which adopts new technology. Blade at impeller and pump inlet is equipped to crush sewage. Shaft seal of the pump adopts double frame oil seal. The oil can be addd with lubricating oil to seal by the oil pressure filling cup on the pump body. The connection between the pump body is with 1.5 taper 4 studs to fix the pump in order to disassembly the pump when check and repair the pump. The person is not easy to contact the dirt of the sewage. CWF Sewage pump is directly connected with motor (close coupling). The rotary direction is clockwise from the pump suction end.

Minimum Order: 1 bags

High viscosity screw drum pump Screw barrel pump is a barrel pump developed by the our company with the domestic advanced level and adopting screw type rotor and stator design. Screw barrel pump is specially suitable to pump high viscosity epoxy resin, glycerin, honey, printing ink, fruit juice, gear oil, grease, paint, tomato pulp, shampoo and other high viscosity medium. Screw barrel pump has the advantages such as simple structure, easy maintenance, high output pressure, stable flow without pulse, small abrasion when conveying abrasive particles, 220V power supply, convenient operation etc. Screw barrel pump is the ideal choice to pump high viscosity medium.

Minimum Order: 1 bags

LXLZ Paper pulp centrifugal pump single-stage single-suction cantilever centrifugal pulp pump is a new type of pulp pump to meet the requirements of paper making and pulping enterprises. It is Widely used in papermaking, pulp enterprises to transport fine pulp or slurry with concentration less than 6%. Features: The pump is a single-stage single-suction cantilever type rear door structure and it need not remove the pipeline during maintenance. 2 - The inlet and outlet flanges of the pump are designed at a pressure of 1.6mpa. 3 - impeller: semi-open or open impeller with three-blade or four-blade structure. The flow path is increased. It can smoothly transport up to 6% concentration of fine slurry. It is also suitable for medium containing a certain amount of gas. 4 - Impeller is casted and tested by dynamic balance . 5, wear plate and impeller clearance can be adjusted through the pump body on the adjusting bolt. It can make the impeller and wear plate to maintain a constant clearance, so as to improve the efficiency of the pump. 6 - Shaft seal: single end face mechanical seal without cooling water and packing seal. 7, impeller is fixed with impeller bolts and gasket to ensure the safe and reliable operation Application and advantages: LXLZ pulp pump can be widely used in paper pulp,, sugar, starch etc. industries, metallurgy, mining, electric power, papermaking, building materials, communications and water conservancy and urban sewage departments to transport solid-liquid two-phase medium. (1) good cavitation resistance performance, long life, the actual service life can be increased 2-3 times, compared with ordinary pulp pump (2) energy saving: operating efficiency is 3-10 percentage points higher. Energy saving, consumption reduction is up to 15-30%. (3) Anti - blocking, pumped pulp concentration is up to 6% Model explanation: 80LXLZ50—6 80: Caliber (80mm) LXLZ: paper pulp pump 50: flow rate(50m3/h) 6: head: 6(6m)

Minimum Order: 1 bags

Product overview: FUH series engineering plastic pumps are horizontal, single stage, single suction, bracket type centrifugal pumps. The flow parts of FUH pump are made of ultra high molecular weight polyethylene (UHMWPE), which has excellent corrosion resistance, excellent wear resistance (ranking first among all kinds of plastics) and strong impact resistance. Product features: FUH series engineering plastic pump seal adopts mechanical seal, dynamic seal and packing seal etc and can transport acid and alkali solution and can also transport slurry containing solid particles and sewage containing various impurities, especially in the conveying corrosive liquids with fine grain and conveying hydrofluoric acid, fluosilicic acid, phosphoric acid, mixed acid, electrolyte, hydrochloric acid, thin sulfuric acid, strong alkali, etc. The pump shows a good performance. The applicable temperature of the pump is -50℃ ~ 100℃. After replacing the impeller and pump body of other engineering plastics (polyvinylidene fluoride PVDF, polyfluorinated ethylene propylene, chlorinated polyether), the applicable temperature can reach 120℃. Pump application: 1 - FUH series engineering plastic centrifugal pump is mainly used in various kinds of acid, alkali, salt, oil, food and beverage, alcohol and other liquids. 2 - Specific application in the chemical industry, such as sulfuric acid, hydrochloric acid, alkali, oil and other clear liquid or slurry positions; 3 - Non-ferrous smelting industry, especially lead, zinc, gold, silver, copper, cobalt, tungsten, rare earth and other wet smelting of various acid, pulp, slurry (filter press), electrolyte, sewage and other media; 4 - Dilute acid (for pickling process), mother liquor, hydrofluoric acid, fluosilicic acid, seawater and phosphate slurry in chemical fertilizer industry; 5 - Water treatment, all kinds of sewage in environmental protection industry (food sewage, electroplating sewage, leather sewage, pharmaceutical sewage, papermaking sewage, textile sewage, electronic sewage, etc. ), desulfurization and dust removal; 6 - Sulfuric acid and hydrochloric acid positions in steel pickling system; Acid hydrolysis, sedimentation, freezing, hydrolysis, water washing and salt treatment in titanium dioxide industry; Acid station in chemical fiber industry; 7 - Citric acid fermentation, neutralization, pressure filtration, waste water, and ferrous metal manganese industry, etc. In addition, this series of pumps can not only replace the domestic similar metal and non-metal pumps in the above industries, but also be the first choice for the localization of imported equipment.

Minimum Order: 1 bags

UHB-ZK series anticorrosive and wear-resisting pump belongs to single-stage single- suction cantilever type centrifugal pump. The flow parts are made of steel lined with Ultra-high molecular weight polyethylene (UHMWPE) . UHMWPE material is a new corrosion resistant and wear-resistant engineering plastics in the world. Its most outstanding advantage is that it has excellent abrasion resistance and impact resistance (especially low temperature impact resistance) among all plastics. No deformation, no cracking and excellent corrosion resistance. The remarkable feature of the pump is multi-function. The pump can be used in a variety of different conditions, such as the delivery of acid, alkaline liquid or slurry; All kinds of corrosive pulp in smelting industry; Various dilute acids in sulfuric acid industry; Environmental protection industry all kinds of sewage. The pump is corrosion resistant and wear resistant with the use of a very wide range. Performance range: Pump inlet/outlet: 32 to 350mm Flow rate: 5 to 2600m3/h Head: 5 to 80m Working temperature: -20 to 105 degree Celsius

Minimum Order: 1 bags