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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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GSJ-W Heavy-Duty Piston Rod Steck Seal
Designed for high-pressure, heavy-load reciprocating hydraulic systems (e.g., bulldozers, forging presses), the GSJ-W Steck seal combines a durable bronze-filled PTFE sealing element with NBR/FKM/PU elastomers, ensuring low friction, stable sealing, and long service life.
GSF-W Series Heavy-Duty Bore Glyd Ring for High-Pressure Hydraulic Systems
The heavy-duty bore Glyd Ring GSF-W is a high-performance hydraulic piston seal, featuring a filled PTFE main ring paired with optional NBR, FKM, or PU O-rings to deliver excellent dynamic/static sealing, low friction, and resistance to high pressure, making it ideal for heavy machinery like injection molding machines and construction equipment.
GSD-W Heavy-Duty Reverse Step Seal
Designed to withstand high-impact hydraulic conditions, the GSD-W Heavy-Duty Reverse Step Seal features NBR/PU sealing elements that provide reliable wear compensation, making it a durable choice for hydraulic pistons, cylinders, and critical components in industrial and construction equipment.
GSD Type Piston Seal for Hydraulic Systems
The GSD bore seal is a high-performance double-acting sealing element specifically designed for reciprocating pistons in hydraulic systems, featuring a core structure of bronze-filled PTFE (F-PTFE) ring paired with an NBR or FKM elastomer O-ring.
Forever Seals DAQ2 Low - Friction Hydraulic Seal - Reliable Leakage Control
Forever Seals DAQ2 hydraulic seals integrate dual wear rings and a star - shaped elastomer. They ensure bidirectional sealing, handle 40MPa pressure, and resist - 45℃~+200℃ temps for stable hydraulic system ops.
Industrial DAQ Sealing Solutions for Press Machinery
DAQ seals, featuring a star - shaped combined structure with elastomers and wear - resistant rings, ensure bidirectional sealing, low friction, and high pressure resistance (up to 40MPa) for hydraulic cylinders and industrial machinery.
NBR VA Seal: Ideal for Medium-Temp Applications
Forever Seals' VA NBR seal, with excellent oil resistance and flexibility, delivers reliable sealing for industrial hydraulic systems and fuel applications.
KR - Type Piston Seals for Hydraulic Cylinders
KR - type seals deliver reliable, low - leakage performance in high - pressure hydraulic systems, with self - tightening V - structure and wear compensation for long - term sealing integrity.
FKM VA Seal: Reliable Sealing Solution
Industrial - grade FKM VA seal. Temp range (-20℃ to 200℃), oil - resistant. Easy - install, long - lasting sealing for systems.
DDKK High-Performance Combination Seal for Double-Acting Hydraulic Cylinders
The DDKK combination seal is designed for double-acting hydraulic cylinders, boasting high pressure resistance and low friction, perfect for heavy machinery and industrial hydraulic setups.
High-Quality BAS Shaft Combination Seal
The High-Quality BAS Shaft Combination Seal, featuring PU and NBR materials, delivers reliable dynamic sealing with wear resistance, low friction, and elasticity for hydraulic systems, ideal for cylinders and machinery.
PU UR U-Cup Seal - High-Quality Hydraulic Cylinder
High-quality PU UR U-cup seal, designed for hydraulic cylinder sealing. Made of durable polyurethane, it boasts excellent wear resistance, ensuring reliable performance in piston and rod reciprocating motions. A practical choice to enhance sealing efficiency and extend equipment lifespan.
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