Sealing Excellence, Securing Industry

CFKS Custom O Ring Kit NBR FKM Silicon Rubber O-ring Seal Box O-ring

Durable CFKS O Ring Kit includes NBR, FKM, and Silicone rubber O-rings. Ideal seal box for machinery, hydraulic systems, and maintenance repair work.

Find your sealing solution with CFKS — contact us for a quote.

Brand Name CFKS OEM  Accpetable
Material NBR FKM Silicone  Features  wear resistance
Dimensions Customized Certificate  ISO9001/TS16949
Type O-ring   Packing 1 pc per bag

 

The CFKS Custom O Ring Kit is a high-quality rubber O-ring seal box that includes a full range of sizes for industrial, automotive, and hydraulic use. Designed with NBR, FKM, and Silicone rubber materials, it ensures excellent sealing performance, oil resistance, and long-term durability in repair and maintenance tasks.

Each O-Ring Seal Kit is made from premium-grade Nitrile (NBR), Fluorine (FKM), and Silicone compounds for superior elasticity and chemical resistance. The CFKS O-Ring Set Box offers precise dimensions and uniform hardness, ensuring a perfect fit in every application and preventing leaks in dynamic or static sealing environments.

This O-Ring Kit is ideal for engineers, mechanics, and maintenance professionals. It’s suitable for hydraulic systems, engines, pumps, and pneumatic equipment. The CFKS O-Ring Seal Box simplifies on-site repairs with organized storage and multiple O-ring sizes for fast, efficient sealing solutions.

Frequently Asked Questions (FAQ)

Why does my CFKS oil seal fail prematurely? Common causes and prevention tips2025-06-26T15:44:39+08:00

Premature oil seal failure can result from improper installation, poor shaft finish, incorrect material selection, or excessive pressure. To prevent this, ensure the shaft surface is smooth and within tolerance, use correct tools during installation, and choose seals made from materials compatible with your media and temperature.

How to correctly install a CFKS industrial oil seal to avoid leakage2025-06-26T16:04:32+08:00

Always clean the shaft and bore before installation. Use appropriate seal drivers to avoid deformation. Lubricate the lip before fitting to reduce friction during the first rotation. Ensure the seal is seated evenly and not tilted to avoid leaks.

What to do when your CFKS hydraulic seal is leaking under pressure2025-05-20T16:33:14+08:00

Check if the pressure exceeds the seal’s rated limit. Examine for wear, hardening, or improper installation. Replace the seal if damaged, and consider upgrading to a high-pressure CFKS seal variant. Also, verify that the housing and shaft are properly aligned.

How to choose the right CFKS oil seal for extreme operating environments2025-05-20T16:34:39+08:00

For high temperatures, aggressive chemicals, or abrasive environments, choose CFKS seals made of FKM, PTFE, or high-performance elastomers. Consider using seals with protective dust lips or metal casing. Our team can recommend the best fit for your application.

CFKS Seal Manufacturing Co., Ltd.
https://cfksseals.com/
 Email: cfksnacy@gmail.com  Mobile/WhatsApp/Wechat: (86) 188-3097-5917
O-Ring Size List
DescriptionNO.I.D.±W.
AS-568A UNIVERSAL NUMBERSAS-0010.74 0.10 1.02 
AS-568AUNIVERSAL NUMBERSAS-0021.07 0.10 1.27 
AS-568A UNIVERSAL NUMBERSAS-0031.42 0.10 1.52 
AS-568A UNIVERSAL NUMBERSAS-0041.78 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-0052.57 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-0062.90 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-0073.68 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-0084.47 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-0095.28 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-0106.07 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-0117.65 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-0129.25 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-01310.82 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-01412.42 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-01514.00 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-01615.60 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-01717.17 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-01818.77 0.12 1.78 
AS-568A UNIVERSAL NUMBERSAS-01920.35 0.15 1.78 
AS-568A UNIVERSAL NUMBERSAS-02021.95 0.15 1.78 
AS-568A UNIVERSAL NUMBERSAS-02123.52 0.15 1.78 
AS-568A UNIVERSAL NUMBERSAS-02225.12 0.15 1.78 
AS-568A UNIVERSAL NUMBERSAS-02326.70 0.15 1.78 
AS-568A UNIVERSAL NUMBERSAS-02428.30 0.15 1.78 
AS-568A UNIVERSAL NUMBERSAS-02529.87 0.15 1.78 
AS-568AUNIVERSAL NUMBERSAS-02631.47 0.15 1.78 
AS-568A UNIVERSAL NUMBERSAS-02733.05 0.15 1.78 

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