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CFKS High Pressure USH Piston Seal 30*40*6 PU Piston Sealing USH Hydraulic Seal
CFKS High Pressure USH Piston Seal 30*40*6 PU Piston Sealing USH Hydraulic Seal - Image 2
CFKS High Pressure USH Piston Seal 30*40*6 PU Piston Sealing USH Hydraulic Seal - Image 3
CFKS High Pressure USH Piston Seal 30*40*6 PU Piston Sealing USH Hydraulic Seal - Image 4

CFKS High Pressure USH Piston Seal 30*40*6 PU Piston Sealing USH Hydraulic Seal

CFKS high pressure 30*40*6 USH piston seal 30-40-6 is a PU USH hydraulic seal 30×40×6 designed for piston sealing applications. This hydraulic piston seal 30 40 6 provides excellent wear resistance, high pressure capability, and reliable oil sealing performance. Widely used in hydraulic cylinders and industrial machinery, it ensures smooth piston movement, reduced leakage, and long service life in demanding hydraulic systems.

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Brand Name CFKS OEM  Accpetable
Material NBR FKM Silicone  Features  wear resistance
Dimensions Customized Certificate  ISO9001/TS16949
Type 30*40*6 UN Oil Seal  Packing 1 pc per bag

 

The CFKS high pressure USH piston seal 30*40*6 is a high-performance USH hydraulic seal designed for piston sealing in hydraulic systems. Made from premium polyurethane (PU), this piston seal provides excellent sealing efficiency and reliable oil control under high-pressure conditions.

 

This USH piston seal features strong wear resistance, high pressure resistance, and low friction during dynamic operation. The optimized sealing profile ensures stable contact with the cylinder bore, effectively reducing leakage and improving overall hydraulic system efficiency.

CFKS USH hydraulic piston seals are widely used in hydraulic cylinders, construction machinery, industrial equipment, and fluid power systems. With precise dimensions and durable PU material, this piston sealing solution delivers long service life, smooth piston movement, and dependable sealing performance in demanding applications.

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
UN Hydraulic Cylinder Piston And Piston Rod Seal
32*43*6 35*50*12 40*50*10 45*55*10 50*60*7 55*65*12 60*76*12
32*45*6 35*52*8 40*52*8 45*56*7 50*60*8 55*66*10 60*80*10
32*45*8 35*52*10 40*52*10 45*56*8 50*60*10 55*70*8 60*80*12
32*45*10 35*55*10 40*53*8 45*56*10 50*60*12 55*70*9 60*80*15
32*46*10 35.5*45*6 40*55*7 45*58*7 50*62*10 55*70*10 60*85*12
32*47*8 35.5*50.5*10 40*55*8 45*58*10 50*62*12 55*70*12 61*71*7
32*47*10 36*46*6 40*55*9 45*60*8 50*63*6 55*71*12 62*70*10
32*48*5 36*46*7 40*55*10 45*60*9 50*63*8 55*75*9 62*72*10
32*48*8 36*46*8 40*60*10 45*60*10 50*63*10 55*75*10 62*75*10
32*48*10 36*48*8 40*60*12 45*60*12 50*65*6 55*75*12 62*75*12
32*50*10 36*48*10 40*65*10 45*63*8 50*65*8 55*80*12 62*80*10
33*48*10 38*46*6.5 40*65*12 45*63*10 50*65*9 56*66*6 62*82*10
35*42*6 38*46*8 42*50*6 45*63*12 50*65*10 56*66*10 62*82*12
35*43*5 38*48*6 42*50*8 45*65*10 50*65*12 56*76*12 63*73*6
35*43*6 38*50*6 42*52*6 45*65*12 50*66*12 58*68*6 63*73*8
35*43*7 38*50*8 42*52*8 45*70*12 50*70*10 60*68*8 63*73*10
35*43*8 38*50*9 42*52*10 45*70*16 50*70*12 60*68*11 63*73*12
35*43*9 38*50*10 42*55*7 46*56*6 52*62*12 60*70*6 63*75*6
35*43*10 38*52*10 42*55*8 48*58*6 53*63*6 60*70*7 63*75*10
35*45*5 38*55*10 42*55*10 48*58*8 53*63*8 60*70*8 63*75*12
35*45*6 38*58*10 42*62*12 48*58*10 53*63*10 60*70*10 63*78*10
35*45*7 38*60*10 44*54*6 48*60*8 53*63*12 60*70*12 63*78*12
35*45*8 38*62*12 45*53*6 48*63*8 53*65*8 60*71*7 63*80*10
35*45*10 40*48*5 45*53*7 48*63*9 53*73*12 60*72*10 63*80*12
35*47*6 40*48*6 45*53*8 48*63*10 55*63*8 60*73*8 63*83*10
35*47*7 40*48*8 45*53*10 50*57*10 55*63*10 60*75*8 63*83*12
35*47*8 40*48*10 45*55*6 50*58*6 55*65*6 60*75*9 64*74*6
35*47*10 40*50*6 45*55*7 50*58*8 55*65*7 60*75*10 64*80*8

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