Sealing Excellence, Securing Industry

CFKS FKM TBV Rotary Seal 45*65*10 TBV Oil Seal Industrial Gear Pump Seal

Engineered for high-demand industrial gear pumps, the CFKS FKM TBV Rotary Seal 45*65*10 provides exceptional hydrodynamic sealing under severe thermal and mechanical stress. Featuring a precision-molded FKM elastomer body and a robust metal case, this radial shaft seal counteracts centrifugal forces and maintains a stable axial seal face, preventing premature fluid loss and system contamination.

  • Superior Thermal Stability: FKM compound resists degradation in continuous high-temperature environments.

  • Optimized Hydrodynamic Lip: Minimizes friction while maximizing sealing efficiency against aggressive industrial lubricants.

  • Rigid Metal Casing: Ensures a secure, interference fit in the housing bore, eliminating the risk of seal rotation or blowout.

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

Product Name CFKS FKM TBV Rotary Seal Specification 45*65*10
Material Premium FKM / Metal Case Feature High-Pressure & High-Wear Resistance
Work Temperature -20°C to 220°C Hardness 70-80 Shore A
Type TBV Radial Lip Shaft Seal Usage Industrial gear pumps, reduction gearboxes, hydraulic motors, agricultural drives, machine tool spindles, chemical mixers.

 

The CFKS TBV design operates on advanced radial and axial seal alignment principles to counteract intense centrifugal force in rotating machinery. By utilizing a precisely tensioned garter spring and an optimized lip profile, the seal maintains a constant radial force on the 45 mm shaft. As the shaft rotates within the 65 mm housing, the dynamic sealing lip generates a microscopic hydrodynamic fluid film. This film prevents direct metal-to-rubber contact, significantly reducing localized heat generation while ensuring zero leakage across the 10 mm sealing interface even during rapid pressure fluctuations.

For high-performance industrial gear pumps, material integrity is paramount. While standard NBR suffices for basic applications, this premium FKM variant is specifically formulated to withstand aggressive synthetic lubricants, hydraulic fluids, and chemical solvents. FKM exhibits exceptional resistance to compression set and ozone aging. This ensures the sealing lip retains its elasticity and structural geometry under continuous friction, preventing the typical hardening and cracking that leads to catastrophic seal failure in demanding environments.

The TBV structural configuration offers practical, long-term operational benefits, focusing on low-friction extended service life and simplified maintenance cycles. The rigid outer metal case ensures a precise, perpendicular press-fit into the pump housing, preventing misalignment during installation. Thanks to the optimized lip-loading geometry, this seal minimizes shaft wear and scoring, eliminating the need for expensive shaft regrinding or sleeve installations during routine overhauls. Its durable design translates directly into reduced machine downtime and lower total cost of ownership.

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
TCV TYPE SEAL SIZE LIST
SizeTypeMaterialColor
12*30*5BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
13*19*2.5BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
14*25*7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
16*30*7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
17*30*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
17*30.3*8BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
17*32*7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
17*35*7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
17.46*28.58*5.7/6.3BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
18*30*10BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
18*30*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
18*35*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
18*35*8BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
18*35*9BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
19*27*5BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
19*30*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
19*32*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
19.5*33*7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
19*35*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
19.5*30*6/6.5BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
19*35*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
19*35*8BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
19*35*3/7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
19*37*6.5/7.5BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
19*44.45*6.35BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
20*32*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
20*32*7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
20*35*7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
20*40*7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
20*47*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
20*47*7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
22*30*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
22*32*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
20*32*6.5/8.6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
22*35*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
22*36*10BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
22*36*7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
22*42*10BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
24*34*6.3BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
24*38*6/7BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
24*38*8BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
24*55*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
25*33*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN
25*35*6BABSL CFW / TCV OIL SEALNBR/FKMBLUE/BROWN

MESSAGE

Go to Top