Offers to Sell

When it comes to sealing solutions in the energy sector, engineers and maintenance managers often debate whether to use oil seals or O-rings. Each type has its strengths, but understanding the operational context is key to making the right choice. In energy applications, from wind turbines and hydropower generators to oil & gas pipelines, proper sealing can prevent costly downtime and extend equipment life. Oil seals are typically preferred when there is a need to retain lubricants and prevent contamination. They are designed to fit around rotating shafts, providing a dynamic seal that resists oil leakage while keeping dust and debris out. Common materials include NBR, FKM, and HNBR, each selected based on chemical compatibility, temperature resistance, and expected wear. NBR is widely used due to its good general resistance to oils and moderate temperatures. FKM offers excellent high-temperature stability and chemical resistance, making it suitable for turbines or generator gearboxes. HNBR combines heat and chemical resistance with enhanced mechanical durability, ideal for heavy-duty industrial motors. O-rings, by contrast, provide a simpler static seal and are often used in flanges, valves, or pipe connections. They can handle higher pressures in static applications but are not designed for continuous rotational motion. Materials like EPDM, FKM, and PTFE are commonly used in energy equipment, selected based on exposure to chemicals, oils, and extreme temperatures. In hydropower or chemical plants, O-rings are frequently combined with backup rings to prevent extrusion under high pressure, ensuring a reliable seal over extended periods. A few practical considerations often guide seal selection. For rotating shafts in generators, oil seals are almost always preferred because the interface experiences continuous motion, and oil retention is critical. For pipe flanges in a chemical processing plant, O-rings may be better due to their simplicity, easier installation, and ability to withstand high static pressure. Additionally, space constraints, maintenance cycles, and availability of replacement components also influence the decision. In real-world scenarios, maintenance engineers often ask whether it’s possible to substitute one type for another to reduce inventory. While sometimes feasible, caution is required. Misapplication can lead to accelerated wear, leaks, or even equipment failure. Consulting the manufacturer’s material compatibility charts, pressure ratings, and temperature limits is essential. Moreover, combining oil seals and O-rings in hybrid configurations is not uncommon; for instance, using O-rings behind an oil seal can provide secondary containment, enhancing system reliability. Another factor is environmental exposure. Energy equipment often operates outdoors or in harsh chemical conditions. UV resistance, ozone resistance, and chemical corrosion resistance are critical considerations. For offshore wind turbines, seals must resist salt spray and varying temperatures, while in petrochemical plants, they may face aggressive solvents or acids. Choosing the right material and seal design is a careful balance of mechanical properties and chemical resistance. In terms of practical market perspective, distributors and wholesalers prefer suppliers who provide a wide range of both oil seals and O-rings with immediate availability. High-turnover industries like energy cannot afford long lead times, so stock levels, standardized sizes, and engineering support are crucial. The best suppliers offer both off-the-shelf standard components and tailored solutions to meet non-standard requirements, assisting clients in optimizing seal performance while reducing operational risk. Ultimately, deciding between oil seals and O-rings in the energy sector is not about which is “better” in general, but which is appropriate for the specific application. Rotating shafts, dynamic lubrication, and contamination control point to oil seals. High-pressure static joints, pipe connections, and chemical exposure favor O-rings. Combining industry knowledge with a clear understanding of equipment demands ensures reliable operation and longevity. Experienced engineers, distributors, and maintenance teams can leverage these insights to make informed decisions, minimizing downtime and ensuring consistent energy production. In conclusion, both oil seals and O-rings play indispensable roles in the energy sector. Correct selection requires attention to material, pressure, temperature, and motion type. Using the right seal in the right place not only extends equipment life but also safeguards operational efficiency, ultimately saving time and cost for industrial operations.

Minimum Order: 1000

Solo Performer, Producer, Songwriter 88-Key Fatar Hammer-Action Keybed 2200 Sounds, 600 Styles, 500 Sets 2 Cross-Fading Players to Mix Everything Color-Driven UI, Large 8" Touchscreen 16 Pads, 9 Sliders, 9 Buttons, Joystick Mic and Guitar Inputs with FX Processing MP3 Player/Recorder, Onboard Sampler Mixer Section with FX Processing MIDI, USB, HDMI, Audio Line I/O

Minimum Order: 1 bags

Frozen Avocado Agriculture - Origin: Vietnam - Color: Natural Green - Taste: Rich and creamy - Shape: CUBE/ HALVED/ MASHED - Shelf Life: 24 months - Weight (Kg): 1Kg - Packing: Aseptic bag, then 10-20kgs carton Box. ( Vacuum Pack, CARTON BOX ) - Quantity capacity: 200mts/month. Min order: 1x20ft /12.4mts.x - Storage: Preserved at -18°C. - Certificates: VietGap, phytosanitary, ISO, FDA, HACCP, HALAL. Price FOB HCMC PORT: Contact us Payment term: • L/C at sight • T/T 30% in advance, 70% on the scanned B/L • 50% T/T deposit in advance, 50% T/T before leaving the factory Payment: This supplier also supports L/C,T/T payments for offline orders Port of Shipment: Cat Lai, HOCHIMINH CITY PORT Delivery time: 10 days Contact Person: Ms. Nhi NAM VAN LONG COMPANY LIMITED. [ Address ] 29/15, No. 2 Street, Eastern Village, Vinh Phu Ward, Thuan An District, Binh Duong Province, Vietnam Tel: 84 - 90304 7955 / 84- 903 944 669 Whatsapp/Line/Viber/Wechat: 84 - 985157189 [ Skype ]: sale6(dot)navalo [ E-mail ]: sale6(at)namvanlong(dot)com [ Website ]: www(dot)namvanlong(dot)com

Minimum Order: 12 metric tons

Product Features:Single core wire automatic peeling and crimping terminal Inner core stripping :0-10MM External stripping :Above 12MM Crimping force:Standard 2T30 stroke Adapt to wires:Inner core wire 22-30AWG Pneumatic components:Yadeke Pneumatic Straight slide rail:Shangyin guide rail/Yadeke guide rail Crimping motor:0.75KW three-phase asynchronous motor, variable frequency control (optional 1.5KW/2.2KW) drive control:Jiayuan Intelligence Motor frequency conversion:Jiayuan Intelligence Adapted applicator:Conventional multi-core mold, ultra short multi-core mold

Minimum Order: 1 bags

Model:HL-2040D Wire size:AWG30-AWG4 (0.04-20sqmm) Function:Half stripping, full stripping, double stripping. sheathed wire processing mode, etc.. Productivity:1800-2000pcs/h Stripping Length:1mm-40mm Adjustment accuracy:0.05mm Power supply:AC220V 50/60HZ Dimensions:500mm*62mm*300mm Weight:2 , 0KG

Minimum Order: 1 bags

Advantages of label folding machine 1. Automatic blanking 2. Speed super fast . feeding do not pay attention to technique, just put  labels on the machine, then it can be constantly. 3. More advanced system, automatic identification tag performance is more stable. Applicable industries: electronics, wire, electrical appliances, electromechanical, used for headphone cable, USB cable, power cord, air pipe, etc. Applicable label:  sticker, dry film; Electronic supervisory codes, bar codes, etc.; Application examples:  headphone cord labeling, power cord labeling, optical fiber cord labeling, cable labeling, air pipe labeling, warning label labeling machine, etc

Minimum Order: 1 bags

Viet Nam Canned Sweet Corn Viet Nam Canned Sweet Corn Nam Van Long Co., Ltd. Nam Van Long Co., Ltd. is a trusted exporter of Canned Sweet Corn from Vietnam. Our sweet corn is made from 100% fresh, naturally sweet corn, carefully selected and processed under strict quality control to ensure the best taste and texture. The product is packed in cans with sugar and water, maintaining its natural sweetness, bright yellow color, and crisp texture. Product Specifications: - Style: Canned - Origin: Vietnam - Ingredients: 100% Fresh Corn, Sugar, Water - Taste: Natural sweet and fresh flavor - Color: Bright yellow - Packaging: 10–20 kg/carton or customized as per customer’s request - Shelf Life: 24 months from production date - Storage Condition: Store in a cool, dry place, away from direct sunlight - Certifications: HACCP, ISO (available upon request) - Application: Ready-to-eat, perfect for salads, soups, pizza, pasta, canned food mix, or food service use - Port of Loading: Ho Chi Minh City, Vietnam - Brand: NAVALO Features: Reliable Vietnamese supplier with years of export experience HACCP-certified production for consistent quality Competitive prices and stable supply all year round Flexible packaging available About Nam Van Long Co., Ltd. Nam Van Long Co. is an exporter of agricultural products in Vietnam. It exports to many countries such as: Netherlands, Turkey, Qatar, Kuwait, Dubai, Haiti, Singapore, Taiwan, Hongkong, Indonesia, Malaysia, New Zealand, The United Kingdom, Italia, Poland, Canada, China, Korea and other countries. Green Agricultural, Green Life The company is committed to providing customers with products of high quality standards in the manufacturing process, packaging, handling and having competitive prices in comparison with other companies. The company's reputation is the premise at the company's forefront. Receiving customers feedback and suggestions for the ongoing development to improve product quality with service and custom care are essential. With variety of products: - Rice Product - Fresh fruits and vegetables - Frozen fruits and vegetables - Dried fruit - S.pices - Coconut Product - Canned food - Others Product Contact Us Today NAM VAN LONG Co., Ltd. HCM City, Vietnam [A ] No. 29/15 Dong Quarter, Binh Hoa Ward, Ho Chi Minh City, Viet Nam [T ] 0903047955 [E ] sale12(AT)namvanlong(DOT)com [W] namvanlong(DOT)com Whatsapp/Line/Viber/Wechat : (+84) 903 047 955

Vietnam Frozen Taro Puree Supplier Frozen Taro Puree Exporter – Nam Van Long Co., Ltd. Nam Van Long Co., Ltd. is a reliable supplier and exporter of Frozen Taro Puree from Vietnam. Our taro puree is made from fresh, carefully selected taro roots, steamed and blended into a smooth, natural paste, then frozen at -18°C using BQF / IQF technology to retain its natural flavor, aroma, and nutrition. Perfect for use in bubble tea, desserts, bakery, smoothies, and food processing. Product Specifications: - Type: Taro Puree - Origin: Vietnam - Freezing Process: BQF / IQF - Texture: Smooth and creamy - Taste: Natural taro flavor, no additives or preservatives - Packaging: PE bag or drum - Shelf Life: 24 months under -18°C storage - Certification: HACCP - Season: Year-round supply - Application: Ideal for bubble tea, bakery, dessert, smoothie, and food industry use - Port of Loading: Ho Chi Minh City, Vietnam - Brand: NAVALO Features HACCP certified factory in Vietnam Consistent year-round production and stable supply Custom packaging and OEM available Competitive price and guaranteed quality About Nam Van Long Co., Ltd. Nam Van Long Co. is an exporter of agricultural products in Vietnam. It exports to many countries such as: Netherlands, Turkey, Qatar, Kuwait, Dubai, Haiti, Singapore, Taiwan, Hongkong, Indonesia, Malaysia, New Zealand, The United Kingdom, Italia, Poland, Canada, China, Korea and other countries. Green Agricultural, Green Life The company is committed to providing customers with products of high quality standards in the manufacturing process, packaging, handling and having competitive prices in comparison with other companies. The company's reputation is the premise at the company's forefront. Receiving customers feedback and suggestions for the ongoing development to improve product quality with service and custom care are essential. With variety of products: - Rice Product - Fresh fruits and vegetables - Frozen fruits and vegetables - Dried fruit - Spices - Coconut Product - Canned food - Others Product Contact Us Today NAM VAN LONG Co., Ltd. HCM City, Vietnam [A ] No. 29/15 Dong Quarter, Binh Hoa Ward, Ho Chi Minh City, Viet Nam [T ] 0903047955 [E ] sale12(AT)namvanlong(DOT)com [W] namvanlong(DOT)com Whatsapp/Line/Viber/Wechat : (+84) 903 047 955

liquid crystal Chiral agent S-2011 185207-90-3 Established in 2007, Qingdao QY Liquid Crystal Co., Ltd is a leading manufacturer specializing in high-quality nematic liquid crystals, primarily used in PDLC smart film and high grade of LC display. With over 18 years of nematic liquid crystals production expertise. Our LCs are widely exported to Europe, the United States, South Korea, and other global markets. The capable of our producing approximately 5000 kilograms per month. We signed the Exclusive Agency Agreement with our South Korean customer from 2011

Minimum Order: 20 square metres

Product Details: Model FEK-06M Voltage 220V/110V/50HZ 220V/110V/50HZ 180VA Output 15KN Features: 1.The machine is driven by dual-action normal cylinder, which has advantages of high efficiency and quality in crimping force and speed. 2.The machine is fit for many kinds of terminals. 3.The crimping machine and the gas source connection. 4.Will match the supply air terminal and wire-bound good. 5.According to the required length of crimp terminals to adjust the depth of the interface pressure. 6. It is good for terminal crimping in large or medium quantity. 7. If there are a lot of different kinds of terminals to be crimped, this crimper is the best choice.

Minimum Order: 1 bags

Basic parameters Processing range: 2-10P crystal head (tail clip can be customized) Crimping speed: 3 times/second Compression stroke: 26mm Size (length * width * height): 359x143 x262 mm Weight: approximately 10KG Voltage and power: AC220V/60Hz/140W Operation mode: touch start Crimping accuracy: ± 0.10 characteristic Adopting variable frequency start stop technology, without brake device, precise positioning parking, high-speed operation without fear of brake wear. 2. The needle pressing knife and adhesive pressing knife can be adjusted independently, and changing the model can adjust the pressure quickly and conveniently. The trigger start switch adopts a low-voltage signal to start, with no risk of leakage or contact burning, safe and efficient. Adjustable motor controller that can adjust the running speed of A according to usage requirements. The digital crimping counting device can clearly record 5 times of crimping production advantage Variable frequency start stop technology with no brake design. High speed crimping without brake wear completely solves the equipment connection failure caused by brake wear.

Minimum Order: 1 bags

Zinc alloy is an alloy made of zinc with other elements added. Aluminum, copper, magnesium, cadmium, lead, titanium and other low-temperature zinc alloys are often added to the alloy elements. Casting performance is good, can die casting complex shape, thin-walled precision parts, casting surface smooth. We have CNC 4-axis and 5-axis machining centers, CNC lathes, high-speed composite milling machines and automatic lathes, with perfect testing equipment and quality control system. The products are widely used in mechanical equipment, automobile, electrical appliances, medical and other fields. Non-standard Parts Products can be customized according to customers' drawings or samples. The procedures are as follows: evaluation of drawings or samples provided by customers → offering quotation after communication to confirm the technical requirements of customers → providing samples or small batch trial orders → customer confirmation of samples or small batch trial orders → mass production → product inspection → shipment → after-sales service. Applications The hardware products produced are widely used in mechanical equipment, automobile, medical and other fields.

Micro precise lead screws are transmission components used in precision machinery and automation equipment, achieving precise linear motion through the cooperation of the lead screw and nut. These lead screws typically have a smaller diameter and shorter length, making them suitable for applications where space is limited. The design of micro precise lead  screws focuses on accuracy and reliability,offering excellent performance in terms of precise positioning, speed control, and load-bearing capabilities. Applications Micro precise lead screws are mainly used in precision machinery and automation equipment.

The lead screw is made of stainless steel and the worm wheel nut is made of ABS material. We have a professional and technical team consisting of experienced engineers and skilled workers, focusing on the production and research & development of all kinds of threaded products for more than 20 years, and we have accumulated the Know-how based on our experience in this trade.The products are mainly molded by three kinds of processes, namely cold extrusion, cutting and grinding. Thread types include: trapezoidal, triangular, serrated, arc, rectangular, etc.; metric, imperial, British and American thread forms, with pitches ranging from 1mm to 60mm, lengths ranging from 20mm to 20m, and outside diameters ranging from 2mm to 200mm. Automotive Door Lock Lead Screw Advantages 1. High precision. 2. Smooth transmission. 3. Low noise. 4. Long service life. 5. Professional communication. Our professional engineers are able to communicate with customers in English directly throughout the process and respond quickly. Understand customer needs and give professional advices. 6. Flexible low-volume production. Our factory is very advantageous for customers who only want to buy a small amount of goods. 7. Competitive quotations. Our price for hardware products is very competitive. 8. Good after-sales services. https://www.yyhardwares.com/