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| Summary of 6/14/26 9:41 GMT: | >> Show Compact View |
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Anyone who has worked around engines or industrial equipment knows that oil seals look simple but carry huge responsibility. When machines run hot, seals face their toughest test — heat, friction, and oil breakdown. The question many engineers and buyers ask is: what material works best for oil seals in high-temperature environments? Why Heat Is the Silent Enemy Rubber and heat have always been uneasy partners. At high temperatures, most rubber compounds lose elasticity, become brittle, or even shrink. Once that happens, the sealing lip no longer holds pressure, and oil starts to escape along the shaft. In industries like automotive, marine, and heavy machinery, where systems run continuously under high load, choosing the right material is not optional — it’s survival. Common Materials for High-Temperature Oil Seals FKM (Fluoroelastomer) Probably the most widely used material for high-temperature seals. It can handle up to around 250°C, resists oil and chemicals, and keeps flexibility under long-term exposure. You’ll find it in engine crankshafts, transmission systems, and hydraulic units. Its only real weakness is cold weather performance. PTFE (Polytetrafluoroethylene) PTFE is the go-to material for extreme environments. It can handle 260°C or even higher, has low friction, and barely reacts with any fluid. However, it requires precise machining and smooth shaft surfaces. It’s ideal for high- speed or high-pressure sealing applications. VMQ (Silicone Rubber) Silicone performs well in high-temperature air environments but doesn’t handle oils as well as FKM or PTFE. It’s commonly used in food machinery, blowers, and other clean applications where oil resistance is not the main factor. HNBR (Hydrogenated Nitrile Rubber) HNBR sits between NBR and FKM. It provides good resistance to heat, ozone, and oil, and is often used in truck engines and heavy-duty vehicles. A practical, cost-effective option for mid- to high-temperature sealing. Installation and Fit Matter Too Even the best material will fail if the seal is installed incorrectly. The shaft surface must be clean and smooth, the seal should be pressed in evenly, and a thin layer of grease helps reduce friction at startup. If the seal lip is twisted or the shaft is slightly misaligned, leaks will appear within weeks. Always remember: material is only one part of the story — fit and handling make the difference. Choosing the right oil seal for high-temperature conditions isn’t just about picking the most expensive material — it’s about choosing what works best for the specific environment.
Minimum Order: 1000
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18713908608
Hetou Industrial Zone, Renze District, Xingtai City, Hebei Province
Xingtai City, Hebei
China
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Device Function：Wire harness welding, ultrasonic scanning detection, support for multiple welding modes Equipment Features：Simple operation, low maintenance cost, no need to change molds, and small footprint Equipment power：2000W Dimensions：573*220*175mm Equ , ipment weight：54kg (electrical box and equipment together) Rated voltage：AC220V 50Hz Welding range：1-10mm copper wire, aluminum wire Display Mode：Touch screen control and adjustment Production efficiency：About 0.6 seconds/time, depending on the welding square
Minimum Order: 1 bags
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18713510256
28 :No.28 dongda road, shatou village, chang'an town, dongguan city, guangdong province, China.
guangdong 510730
China
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Ultrasonic frequency:20KHz Ultrasonic power:3000W Operating voltage:220V, 50/60Hz Weight:8.5kg External dimensions: chassis 445L * 370W * 150H (mm) Machine head 575L * 125W * 160H (mm) Model features: Wire to wire welding, copper wire or aluminum wire can be used Application scope: Automotive wire harness processing, wire end bonding, wire connection, etc
Minimum Order: 1 bags
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18713510256
28 :No.28 dongda road, shatou village, chang'an town, dongguan city, guangdong province, China.
guangdong 510730
China
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Voltage:AC220/60HZ Motor Power:750W/RV63/1;15 Crimping Force:2.5T Copper Strip Feeding Mode:Motor Drive / Step Feeding Maximum Copper Strip Length:60MM/Maximum Copper Strip Length 22MM Maximum Copper Strip Width:6MM Maximum Crimping Width:6.5MM Maximum Crimping Diameter:6mm2 X 2 Operation Mode:Pedal Switch / Single Action Overall Size:300 X 300 X400 (MM) Technical Characteristics: 1: This machine is equipped with 750W motor and RV63 reducer, and it has a large crimping force because of the large torque with a 40 percent increase over the traditional machines! 2: The three axles through-type spindle mounting method, front and back supporting, concentric axles without gap, keeps the crimping force much firmer! 3: The motor drive step feeding and digital length setting ensure the easy and quick adjustment and more stable wire feeding! 4: The diameters of main axle and eccentric shaft are expanded to lead the main axle to have better intensity and be more durable! 5: The optimized box structure with the machine head in the box, has stronger bearing strength than the traditional machines in which four screws are used to connect the machine head to the middle base! 6: The working height is reduced to the height of the operator’s fist, to reduce the operating fatigue degree benefiting from the supporting of machine base when working.
Minimum Order: 1 bags
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18713510256
28 :No.28 dongda road, shatou village, chang'an town, dongguan city, guangdong province, China.
guangdong 510730
China
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The EDS-2513 UV printer can print high resolution, full color images on any flat materials. It uses UV curing technology, and the printed ink is instantly cured, colorful, and has strong adhesion. It's suitable for plastic, glass, ceramic tile, metal, wood, leather, etc, and can meet the mass production needs of many industries. Features Model EDS-2513 UV Printer Printhead quantity 2-8 pcs Printing size 2500x1300 mm Printhead model RICOH G5/G6 Printing platform Vacuum platform Printing direction Uni and Bidirectional Ink system Negative pressure system Ink color CMYK+LC+LM+W+V Printing resolution 720x600, 720x900, 720x1200DPI Printing mode Multi pass File format PDF, TIFF, JPEG, AI, etc. Inkjet technology Micro piezoelectric Ink type Eco UV ink
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Building 1, Yourong Technology Park, Longgang District
Shenzhen 518116
China
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The EDS-9090 UV printer can print on any flat materials, it uses micro piezoelectric inkjet and UV curing technology. It's very suitable for small batch personalized custom printing, stable performance, simple operation and low maintenance cost. Features Model EDS-9090 UV Printer Printhead quantity 5-8 pcs Printing size 900x900 mm Printhead model RICOH GH2220 Printing platform Vacuum platform Printing direction Uni and Bidirectional Ink system Negative pressure system Ink color CMYK+White+Varnish Printing resolution 720x600, 720x900, 720x1200DPI Printing mode Multi pass File format PDF, TIFF, JPEG, AI, etc.
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Building 1, Yourong Technology Park, Longgang District
Shenzhen 518116
China
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The EDS-900 digital printing machine can quickly complete small batch orders without plate making. CMYK high resolution digital printing, with bright colors and low cost. It's widely used in corrugated cardboard, paper bag, paper cus, pizza box, etc. Feactures Model EDS-900 Digital Printing Machine Printhead quantity 4-5 pcs Printing width 500-625mm Printhead model HP 841 (125mm) Printing platform Vacuum adsorption type Maximum material width 900mm Feeding method Leading edge feeding Ink color CMYK Printing resolution 1200x300, 1200x600, 1200x1200DPI Printing mode Single Pass File format PDF, TIFF, JPEG, AI, etc. Inkjet technology Thermal foaming Ink type Water-based dye ink Ink capacity 5000 ml
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Building 1, Yourong Technology Park, Longgang District
Shenzhen 518116
China
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The EDS-1800 digital printing machine can directly print full color on corrugated cardboard. It adopts advanced inkjet technology, doesn‘t require plate making, and can print clear and vivid images. It supports on-demand production, which can reduce waste, improve efficiency, and deliver orders quickly. Features Model EDS-1800 Digital Printing Machine Printhead quantity 5-12 pcs Printing width 625-1500mm Printhead model HP 841 (125mm) Printing platform Vacuum adsorption type Feeding width 1800mm Feeding method Leading edge feeder Ink color CMYK Printing resolution 1200x300, 1200x600, 1200x1200DPI Printing mode Single Pass File format PDF, TIFF, JPEG, AI, etc.
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Building 1, Yourong Technology Park, Longgang District
Shenzhen 518116
China
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The EDS-2500 digital printing machine can achieve high quality and high resolution corrugated cardboard printing. Single pass digital printing, no need for plate making. It shortens the production cycle, reduces production costs, and is suitable for small batch carton orders. Features Model EDS-2500 Digital Printing Machine Printhead quantity 12-19 pcs Printing width 1500-2375mm Printhead model HP 841 (125mm) Printing platform Vacuum adsorption type Feeding width 2500mm Feeding method Leading edge feeder Ink color CMYK Printing resolution 1200x300, 1200x600, 1200x1200DPI Printing mode Single Pass File format PDF, TIFF, JPEG, AI, etc. Inkjet technology Thermal foaming Ink type Water-based dye ink
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Building 1, Yourong Technology Park, Longgang District
Shenzhen 518116
China
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Apexto ASIC is a professional supplier with well-equipped testing facilities and strong technical force with a wide range of good quality asic miners ,reasonable prices , our products are extensively used in crypto miners and other digital industries .Buy Bitcoin & Dogecoin Miners with Exclusive Deals—Ship Immediately, Instant Profits. FOR ALL YOUR MINING NEEDS ,Apexto sells miners at great prices + 40percent discounts and can help you shorten Rol. Bitmain Antminer S21 XP+ Hyd (500Th) is an ASIC miner designed for SHA-256 algorithm, specifically targeting BTC (Bitcoin) . It delivers a maximum hashrate of 500Th/s while consuming 5500W of power, resulting in an energy efficiency of 11j/Th. Viber Chat : + 39 351 141 7833 Manufacturer Bitmain Model Antminer S21 XP+ Hyd (500Th) Weight 13800g Noise level 50dB Cooling Hydro cooling (OD10) Power 5500W Voltage 380-415V Interface Ethernet Temperature 20 - 50 °C Humidity 10 - 90 % Ship Now : DHL ,FeDex , UPS . Trade Assurance / Ali Pay SN Code / Test Video Available Full Cables + Manuals & Warranty -For Inquiries - - APEXTO ASIC MINERS - Viber Chat : + 39 351 141 7833 WhatsApp 24hrs : + 49 152 1599 4276 Customer's Protection Guaranteed.
Minimum Order: 1 bags
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5215994276
Guangdong
Guangdong 50000
China
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Commercial UV Water Sterilizer 15 GPM is designed for apartment complexes, hotels, resorts, industrial facilities, and OEM distributors who require high- capacity, reliable, and chemical-free water disinfection. This system is ideal for bulk procurement, providing consistent microbial safety and scalable installation for large-scale residential and commercial water systems. Why Choose WELGO Commercial UV Sterilizers High-Capacity Disinfection Treats up to 15 gallons per minute (GPM) per unit, suitable for medium-to-large water systems Eliminates up to 99.9% of bacteria, viruses, and pathogens Chemical-free operation ensures no taste or odor issues, preserving water quality Reliable and Durable Low-pressure UV lamps with 9,000–10,000 hours lifespan Durable stainless steel SS304/SS316 or HDPE chamber Integrated monitoring alarms for lamp replacement or system alerts
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1st & 2nd Floor, Factory 2, No.22, 1st Street, Daban Industrial Zone, Tinggen Village, Shatou Street
Guangzhou 511490
China
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WELGO Compact UV Water Sterilizer 5 GPM is designed for residential complexes, hotels, OEM distributors, and large-scale water system integrators seeking space-saving, high-efficiency water disinfection solutions. This compact system delivers chemical-free UV sterilization, ensuring safe and compliant drinking water for multiple households or commercial units. Why Choose WELGO Residential UV Water Sterilizer High-Efficiency Disinfection Treats up to 5 gallons per minute (GPM), ideal for small-to-medium residential units Eliminates up to 99.9% of bacteria, viruses, and pathogens Chemical-free operation ensures no taste or odor issues Compact & Space-Saving Design Designed for tight spaces under sinks or utility rooms Modular design allows integration into larger water systems for multi-unit projects Perfect for developers or integrators seeking scalable bulk solutions Reliable Performance & Low Maintenance Low-pressure UV lamps with operational life of 9,000–10,000 hours Durable SS304/SS316 stainless steel or HDPE chambers resist corrosion
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1st & 2nd Floor, Factory 2, No.22, 1st Street, Daban Industrial Zone, Tinggen Village, Shatou Street
Guangzhou 511490
China
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Ensure safe and compliant water treatment with WELGO CE Certified UV Water Sterilizer, designed for residential complexes, hotels, commercial facilities, and large-scale water systems. CE certification ensures that the system meets European safety, health, and environmental standards, providing confidence for bulk procurement and large project deployment. Why CE Certified UV Sterilizers Matter for Bulk Buyers Compliance and Safety CE certification guarantees that the UV sterilizer adheres to strict European standards, including electrical safety, construction quality, and environmental regulations. This is essential for developers, contractors, and OEM/ODM partners deploying multiple units across large residential or commercial projects. Reliable Disinfection Performance Eliminates up to 99.9% of bacteria, viruses, and pathogens Chemical-free operation ensures no taste or odor issues Suitable for point-of-entry or point-of-use water systems in multi-unit buildings Scalable & Modular Design Modular configuration supports high-volume deployment Compatible with multiple flow rates and system sizes Ideal for residential complexes, hotels, and commercial facilities
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1st & 2nd Floor, Factory 2, No.22, 1st Street, Daban Industrial Zone, Tinggen Village, Shatou Street
Guangzhou 511490
China
This is a full production line for motorcycle assembly, there are Conveyor equipment, Fixtures, Assembly tools and equipment, Testing equipment,Auxiliary equipment, Control system. by using this line, you just need to prepare all the parts necessary, then you can finish the whole production processes. If you don't know the necessary parts, just contact with us, we will provide full guidance and instructions.
Minimum Order: 1 bags
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13316635247
13316635247
NO.10, Junma Road, Dalang Town, Dongguan City
Dongguan 5230000
China
The circular rotating spraying machine adopts a unique circular rotating working mode. The workpiece rotates continuously on the circular track, and the spraying equipment sprays the workpiece from all directions to ensure uniform coating coverage and achieve an efficient automated spraying process.
Minimum Order: 1 bags
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13316635247
13316635247
NO.10, Junma Road, Dalang Town, Dongguan City
Dongguan 5230000
China
SOURCE: Import-Export Bulletin Board (https://www.imexbb.com/)
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