Labyrinth Seals
Your Professional Labyrinth Seals Supplier!
Wenzhou Zhengbang Bearing Co., Ltd. was established in 2007 and is located in Wenzhou, Zhejiang. Focus on providing the production and sales of high-quality plain bearings, babbitt bearings, bearings and mechanical non-standard accessories. Known for their superior wear resistance and low maintenance requirements, babbitt bearings are suitable for a variety of industrial applications, including marine, oil and gas, power generation, heavy industrial machinery, and more.
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Φ80 Babbitt-lined SealBabbitt Alloy Oil-Blocking Seal is a type of sealing component used to prevent lubricating oil from leaking. It is typically installed on the bearings or connecting parts of mechanical equipment...read more
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Φ150 Babbitt-lined SealBabbitt Alloy Oil-Blocking Seal is a type of sealing component used to prevent lubricating oil from leaking. It is typically installed on the bearings or connecting parts of mechanical equipment...read more
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Φ200 Babbitt-lined SealBabbitt Alloy Oil-Blocking Seal is a type of sealing component used to prevent lubricating oil from leaking. It is typically installed on the bearings or connecting parts of mechanical equipment...read more
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Φ300 Babbitt-lined SealBabbitt Alloy Oil-Blocking Seal is a type of sealing component used to prevent lubricating oil from leaking. It is typically installed on the bearings or connecting parts of mechanical equipment...read more
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Babbitt-lined Steps SealBabbitt Alloy Oil-Blocking Seal is a type of sealing component used to prevent lubricating oil from leaking. It is typically installed on the bearings or connecting parts of mechanical equipment...read more
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Thick Babbitt-lined SealBabbitt Alloy Oil-Blocking Seal is a type of sealing component used to prevent lubricating oil from leaking. It is typically installed on the bearings or connecting parts of mechanical equipment...read more
Why Choose Us
Quality Control
Our products use advanced production technology and strict quality control processes to ensure that each bearing can meet or even exceed customer expectations.
Our Certifications
Our company has passed the ISO9001:2015 quality management system certification.
Rapid Delivery
We are able to keep items in stock for repeat customers, offering rapid delivery for those clients. Otherwise, standard lead times are typically five weeks.
Our Service
We have a professional customer service team to provide a full range of services from technical consultation, customized services, and after-sales support.

A labyrinth seal is a type of mechanical seal that prevents the leakage of fluids or the ingress of contaminants by creating a tortuous, maze-like path for the fluid to travel. This path is designed to increase resistance to flow, effectively sealing without requiring direct contact between the rotating and stationary components.
Advantages of Labyrinth Seals
Non-contact Operation
Unlike traditional seals that wear out due to friction, labyrinth seals operate without direct contact, significantly extending their service life.
High-speed Suitability
Their non-contact nature makes them ideal for high-speed applications where contact seals would generate excessive heat and wear.
Durability and Reliability
Made from robust materials such as stainless steel or specialized alloys, labyrinth seals can withstand harsh operating conditions and maintain their integrity over long periods.
Efficiency
Labyrinth seals enhance machinery's efficiency by effectively reducing leakage, leading to better performance and lower operational costs.
Labyrinth seals are constructed in multiple pieces. One piece, known as the stator, is affixed to the machine and remains stationary. The other piece, called the rotor, is attached to the shaft and rotates with the motion of the system. The two pieces interlock to effectively seal out the majority of contaminants while holding in the lubricant or process fluid.
These types of seals are non-contacting, which means that the two opposing faces do not touch each other. They are also considered frictionless, as the rotor and stator are separated by a very small gap. In many instances, this gap can be as small as 0.003 inches, which equates to roughly 76 microns. This may sound like a large opening in comparison to the 1-micron lubricant film inside a rolling-element bearing, but because of the path that the contaminant must take to actually reach the bearing, this gap is more than adequate.
Our provide of different labyrinth seals are available, from bronze and stainless steel to plastic. The construction of the seals may even change between brands, with some employing magnets and others simply using O-rings to provide the necessary seat for the housing and shaft. However, they all operate on the same principle and must be properly installed to work correctly.

Applications of Labyrinth Seals
Turbomachinery
Labyrinth seals are crucial in gas turbines, compressors, and steam turbines, minimizing working fluid leakage and maintaining efficiency.
Pumps
They are employed in centrifugal pumps to prevent leakage between the high-pressure and low-pressure sides of the pump.
Gearboxes
Labyrinth seals help keep lubricants in and contaminants out, ensuring the smooth operation of gear mechanisms.
Electric Motors
These seals prevent the ingress of dust and moisture, which can damage internal components and affect performance.
Certifications


FAQ
We're professional labyrinth seals manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to buy customized labyrinth seals from our factory. Contact us for free sample.
150 Babbitt lined Seal, 300 Babbitt lined Seal, labyrinth seals
