Your Professional Lubrication Fittings Supplier
Zhejiang Shengxiang Machinery Co., Ltd., a branch of Taiwan Yuxiang Precision Machinery Industry Co., Ltd. (ISHAN) in mainland China, was established in 2001. It is a high-tech enterprise specializing in the research, development and production of advanced centralized lubricating oil supply devices. The company has a complete range of products, including thin oil, dry oil, oil mist, oil gas, oil cooling and other types of lubricating devices.
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OEM & ODM Customization Services
We offer flexible OEM and ODM manufacturing services to meet diverse market demands. Whether you need customized designs, private labeling, or specialized technical solutions, we work closely with customers to deliver products that match their exact specifications.
Outstanding Team
Our experienced engineering team provides professional solutions tailored to different industries and operating environments.
Obtain Patent
Our products comply with international quality standards, including ISO 9001 and CE certifications. With continuous investment in research and development, we have obtained multiple patents and developed advanced lubrication technologies trusted by customers worldwide.
Best Solutions
The company actively develops and manufactures advanced products leading the future, and provides all-round mechanical lubrication solutions for different customer needs with better services.
Advantages of Lubrication Fittings
Durable Materials for Long Service Life
lubrication fittings are produced from high-quality materials such as carbon steel, stainless steel, and brass, ensuring excellent strength and resistance to wear, corrosion, and repeated pressure cycles.
Reliable Sealing and Flow Control
Precision-machined threads and sealing surfaces help lubrication fittings maintain secure, leak-resistant connections while allowing smooth and controlled lubricant flow.
Easy Installation and Secure Connection
Lubrication fittings are designed for quick installation and firm attachment, making them easy to connect to grease guns, pumps, and lubrication lines without complex tools.
Consistent Performance Under Repeated Use
Built to withstand frequent lubrication cycles, lubrication fittings maintain stable performance even under vibration, pressure variation, and continuous operation.
Low Maintenance and Cost Efficiency
The durable construction of lubrication fittings reduces replacement frequency and maintenance effort, helping lower overall operating costs.
Wide Range of Industrial Applications
Lubrication fittings are widely applied in automotive servicing, industrial machinery, construction equipment, agricultural machinery, and automated lubrication systems.
Materials of Lubrication Fittings
Carbon Steel
Carbon steel lubrication fittings offer high mechanical strength and are suitable for heavy-duty machinery and industrial applications. With appropriate surface treatment, they provide reliable performance in demanding operating conditions.
Stainless Steel
Stainless steel lubrication fittings deliver excellent corrosion resistance and are ideal for applications exposed to moisture, chemicals, or wash-down environments. They are commonly used in food processing, marine, and outdoor equipment.
Brass
Brass lubrication fittings provide good corrosion resistance and smooth installation, making them suitable for light to medium-duty lubrication systems and general maintenance applications.
Components of a Lubrication Fittings
Nipple Connection: The external part where the grease gun attaches. It is typically threaded and comes in various angles (straight, 45°, and 90°) to fit different machinery setups.
Bearing Ball: A small captive ball inside the fitting that serves as a valve. Under pressure, it moves back, allowing Lubrication to flow in, then seals the fitting once pressure is released.
Retaining Spring: This spring holds the bearing ball in place, ensuring that the valve function is maintained, and preventing leaks or contaminants from entering the system.
Channel: The passage that Lubrication the grease from the nipple connection to the lubricated components. It ensures the grease flows without unnecessary resistance.
Body: The main structure of the Lubrication Fittings, which houses all internal components. It is typically made from materials like zinc-plated steel, stainless steel, or brass.
Seal: Seals are used to ensure that Lubrication doesn’t leak out, while also preventing contaminants from entering the lubrication system. These seals are often made from durable polymers like PTFE.
How Lubrication Fittings Work
Attachment:
The grease gun is securely attached to the nipple connection, creating a seal that allows for the delivery of grease.
Pressure Application:
When the grease gun is activated, pressure forces the bearing ball back, allowing grease to flow through the fitting.
Lubrication:
As the ball moves back, grease is delivered to the bearings and other components that require lubrication.
Sealing:
Once the grease gun is released, the retaining spring pushes the bearing ball back into place, sealing the fitting and preventing leaks.
Lubrication fittings are used wherever lubricants must be transported in a controlled manner.
Mechanical engineering and production equipment
Agricultural and construction machinery
Automotive engineering and commercial vehicles
Conveying technology and industrial plants
Hydraulic and pneumatic systems
They play a particularly central role in automatic centralized lubrication systems: connecting pumps with metering units, lines, and lubrication points. Their leak-tightness and dimensional stability ensure the lubricant arrives precisely—without loss or pressure drop.
Transportation
FAQ
As one of the most professional lubrication fittings manufacturers and suppliers in China, our products have good reputation in the market. Please feel free to buy high quality lubrication fittings made in China here from our factory. For price consultation, contact us.
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