Your Professional Wear Rings Supplier
Zhejiang Kintowe Sealing Technology Co., Ltd was founded in 1986, we have been specializing in the design, development, production and marketing of guide components and sealing system products for more than 36 years. Our core product offerings primarily include hydraulic seals, bearings and washers, and phenolic cotton tubes.
Why Choose us
Quality Control:Our production strictly complies with the GB/T 19001-2008/ISO 9001:2000 quality management system standards. We employ advanced quality management methods and have established a comprehensive modern quality control system.
Well-Experienced:We possess extensive experience in OEM projects.
Advanced Production Equipment:We own and operate more than 200 sets of professional-grade production equipment, ensuring high efficiency and precision in manufacturing.
Parameter
|
Part NO. |
Material |
Color |
Density g/cm³ |
Tensile Strength MPa |
Ultimate Compressive Strength MPa |
Impact Strength J/m |
Rockwell Hardness HRM |
Coefficient of Friction |
Temperature ℃ |
|
|
Dry |
Oil |
|||||||||
|
PFC-1 |
Phenolic resin with cotton fabric |
Light yellow to brown |
1.2-1.4 |
45 |
256 |
26 |
95 |
0.23-0.46 |
0.12-0.14 |
-40~+130 |
Features of Wear Rings
Absorbing Side Loads
In hydraulic cylinders, side loads can exert significant stress on hydraulic seals, causing them to wear out quickly. Wear rings, also called guide rings, are specifically designed to absorb these side loads, reducing the stress placed on the seals. By keeping the piston centered, wear rings prevent uneven pressure distribution, which can lead to seal deformation and leakage.
Preventing Metal-to-Metal Contact
One of the primary functions of wear rings, also known as wear bands or guide tapes, is to prevent metal-to-metal contact between the piston and bore or the rod and cylinder head. Metal contact can cause scoring and damage to the hydraulic system's components, leading to seal damage and leakage. Wear rings act as a buffer, protecting both the seals and the metal components from wear and tear.
Reducing Friction
Wear rings are designed to reduce friction between moving parts, allowing hydraulic systems to operate smoothly. Lower friction means less wear on both the wear rings and the hydraulic seals, resulting in longer service life for both components. Materials such as PTFE (Polytetrafluoroethylene) or bronze-filled PTFE, commonly used in wear rings, provide excellent low-friction properties, making them ideal for high-speed hydraulic applications.
Enhancing Seal Efficiency
By maintaining the correct alignment of the piston or rod within the cylinder, wear rings ensure that hydraulic seals perform optimally. Proper alignment prevents excessive movement and pressure imbalances, which can lead to fluid leaks. In this way, wear rings enhance the overall efficiency of the hydraulic seal, ensuring a leak-free and reliable system.
Application of Wear Rings
Hydraulic Cylinders
Wear rings are essential components in hydraulic cylinders, where they guide the piston and rod, ensuring smooth movement and protecting the seals.
Construction Equipment
Wear rings are frequently used in construction machinery, where they help maintain the integrity of hydraulic systems in harsh operating conditions.
Marine and Oil-Field Exploration
Wear rings are crucial in marine and oil-field exploration equipment such as stabilizers, they protect seals from extreme pressures and corrosion resistance.

Logistics
We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.
1. The time frame of an order delivery is divided into two parts:
Processing time: 7-14 Days
Shipping time: 20~30 Days
2. Shipping methods: DDP, DAP, EXW, etc.
3. Shipping fee:The shipping fee will be changed according to every pacel's weight.
FAQ
We're professional wear rings manufacturers and suppliers in China, specialized in providing high quality customized service and OEM service. If you're going to buy cheap wear rings made in China, welcome to get free sample from our factory. For price consultation, contact us.
Piston Wear Rings, Hydraulic Wear Rings, Piston and Rod Wear Rings








