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Professional O-Ring and Oil Seal Manufacturer, Sealing Solution Supplier Since 2008.

Hydraulic seals

As a leading hydraulic seal manufacturer, we specialize in crafting high-performance hydraulic seals and hydraulic oil seals designed specifically for the hydraulic systems of engineering machinery and heavy equipment. Our seals utilize premium materials such as PTFE, PU, NBR, and FKM, boasting exceptional pressure resistance and wear durability. These seals can withstand up to 40MPa of working pressure and piston speeds of 1m/s, while operating efficiently within a temperature range of -20°C to 150°C, ensuring the hydraulic system runs smoothly and efficiently. They are widely applicable in hydraulic cylinders, pneumatic actuators, and other equipment.

 

Notably, our PTFE composite hydraulic seals, designed for heavy-duty applications, exhibit a 30% increase in wear resistance and can endure pressures up to 50MPa. They are ideally suited for hydraulic cylinder seals in excavators, injection molding machines, and other heavy equipment, significantly reducing maintenance requirements and lowering operational costs.

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PTFE-Glass Fiber Reinforced Vee Packing Seal Ring
Forever Seals PTFE-Glass Vee Packing is a precision-machined, stacked V-shaped sealing solution crafted from glass fiber filled polytetrafluoroethylene (PTFE), engineered for demanding applications requiring exceptional chemical resistance and low-friction performance. The glass fiber reinforcement enhances mechanical strength and wear resistance, while the PTFE matrix provides broad compatibility with corrosive media and self-lubricating properties. This combination delivers reliable, maintenance-free sealing in reciprocating and rotary equipment, even under extreme chemical and thermal conditions.
Kevlar Fabric Reinforced Multi-Layer Vee Packing Seal
Forever Seals Kevlar fabric reinforced Vee packing is a stacked, multi-lip sealing solution crafted from high-strength woven Kevlar fibers, engineered specifically for demanding reciprocating shaft applications. Designed as a series of interlocking V-shaped rings, it delivers exceptional pressure resistance, wear durability and leak-tight performance in high-pressure fluid systems. The robust Kevlar construction stands up to abrasive media, heavy loads and continuous cyclic motion, ensuring long-term reliability in industrial pumps, compressors and process equipment.
Kevlar Reinforced U-Ring Seal
Forever Seals Kevlar reinforced U-ring seal is crafted with high-tensile Kevlar fiber combined with specialized rubber compound, forming a robust U-shaped cross-section. The woven Kevlar layer delivers exceptional tear strength and anti-extrusion performance, while the rubber matrix ensures reliable elasticity and sealing contact. This composite construction stands up to heavy loads, high pressure shocks and abrasive fluid environments, maintaining stable sealing in reciprocating hydraulic equipment.
PTFE+20% PI Composite Seal Rod Stock EM:ROD-0*40*100mm
Forever Seals PTFE+20% PI composite rod stock is made of high-purity PTFE blended with 20% polyimide (PI) powder, formed by high-temperature sintering and precision machining. It inherits PTFE’s excellent chemical inertness and low friction, while greatly enhancing mechanical rigidity, creep resistance and high-temperature dimensional stability with PI reinforcement. The material maintains stable shape under long-term high pressure and high temperature, delivering reliable raw material support for custom processing of high-performance seals.
B68 Material Hydraulic Rod Stock
Forever Seals B68 hydraulic rod stock adopts premium B68 alloy raw material and adopts integral forging and precision finishing process. It has uniform internal structure, excellent wear resistance, good bending resistance and stable anti-fatigue performance. The surface is finely processed with high straightness, able to withstand frequent telescopic impact and lateral load. It is not easy to bend and deform during long-term operation, and is widely suitable for hydraulic cylinder assembly and mechanical transmission support applications.
Custom BRT PEEK-RED High Pressure Sealing Backup Ring
BRT PEEK-RED high-pressure sealing backup ring is made of premium pure PEEK material in red color for easy installation and model identification. It is designed to prevent O-rings from extrusion gap damage in hydraulic and pneumatic systems.
Custom BRT PEEK-BEIGE High Pressure Sealing Backup Ring
Compared with ordinary PTFE backup rings, it has 3-5 times longer service life, higher temperature/pressure resistance and better creep resistance. Suitable for hydraulic cylinders, oil & gas tools, aerospace and construction machinery.
Copper Powder Filled PTFE KZT Spring Energized Seal
Forever Seals Copper Powder Filled PTFE KZT Spring Energized Seal adopts copper powder modified PTFE material matched with high elastic stainless steel spring. It features excellent high temperature resistance, superior thermal conductivity, good wear resistance and stable creep resistance. It can well adapt to high temperature environment, pressure fluctuation and frequent mechanical movement. With reliable elastic compensation ability, it effectively solves sealing failure caused by thermal deformation and wear, suitable for high-temperature machinery and thermal system equipment.
S8 Compact Seal NBR Fabric Reinforced Hydraulic Seal
S8 seal is a high-performance integrated compact composite seal originally from Freudenberg Merkel, widely applied as piston rod seal and piston seal for medium and low pressure hydraulic cylinders.
Merkel Original High Pressure PU Hydraulic Cylinder Rod Seal T20-180-205-14.6-12.5
Excellent static and dynamic sealing performance, low friction, stable operation without crawling.
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