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

Forever Seals DAQ2 Low - Friction Hydraulic Seal - Reliable Leakage Control 1
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Forever Seals DAQ2 Low - Friction Hydraulic Seal - Reliable Leakage Control 1
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Forever Seals DAQ2 Low - Friction Hydraulic Seal - Reliable Leakage Control

Engineered for heavy - duty hydraulic systems, the DAQ2 from Forever Seals combines dual PTFE wear rings, a star - shaped elastomer, and anti - extrusion design. It ensures bidirectional, leak - free sealing under 40MPa pressure, withstands - 45℃ to + 200℃ temps, and works with oil, water, gas. Ideal for presses, cylinders, it cuts friction, resists wear, and boosts system efficiency—delivering durable, low - maintenance performance for industrial machinery.

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    Product Advantages
    Superior Sealing Performance​
    The DAQ2 Hydraulic Seal from Forever Seals is engineered for bidirectional, leak-free operation. Its star-shaped elastomer design ensures a tight seal, even under high-pressure conditions of up to 40MPa. This eliminates media leakage, whether it's hydraulic oil, water, or gas, maintaining the integrity of your hydraulic system.​
    Exceptional Durability​
    With dual PTFE (Polytetrafluoroethylene) wear rings, the DAQ2 significantly reduces friction between moving parts. This not only ensures smooth operation but also minimizes wear and tear, extending the service life of both the seal and the associated hydraulic components. The anti-extrusion design further enhances durability by preventing the elastomer from being forced into gaps under high pressure.​
    Wide Temperature Adaptability​
    It can operate reliably in an extensive temperature range from -45℃ to +200℃. This makes it suitable for use in diverse industrial environments, from cold storage facilities to high-temperature manufacturing plants, without compromising on performance.​
    Low-Maintenance Design​
    Thanks to its durable construction and efficient sealing mechanism, the DAQ2 requires minimal maintenance. Fewer replacements mean reduced downtime for your equipment and lower overall operating costs.​
    Versatile Media Compatibility​
    Compatible with various media including hydraulic oil, water, and gas, the DAQ2 offers flexibility across different industrial applications, eliminating the need for multiple seal types.
    Working Principle
    The DAQ2 Hydraulic Seal consists of three key components: a star-shaped elastomer, dual PTFE wear rings, and an anti-extrusion structure.​
    When pressure is applied in the hydraulic system, the star-shaped elastomer deforms, creating a tight seal against the cylinder wall and piston. The PTFE wear rings act as a buffer, reducing friction as the piston moves back and forth. This low-friction movement not only ensures smooth operation but also helps to prevent damage to the seal and the cylinder.​
    The anti-extrusion rings come into play under high-pressure conditions. They prevent the elastomer from being extruded into the small gaps between the piston and cylinder, which could otherwise lead to seal failure. Together, these components work in harmony to provide reliable, long-lasting sealing for your hydraulic system.
    Forever Seals DAQ2 Low - Friction Hydraulic Seal - Reliable Leakage Control 10
    Product Details
    Material Composition​
    Star-shaped Elastomer: Made from high-quality nitrile rubber (NBR) or optional fluoroelastomer (FKM) for enhanced chemical resistance in aggressive media. NBR offers good elasticity and oil resistance, while FKM is ideal for harsh, corrosive environments.​
    PTFE Wear Rings: Crafted from premium PTFE, known for its low-friction properties, high temperature resistance, and chemical inertness, ensuring long-term smooth operation.​
    Anti-extrusion Rings: Constructed from durable materials to withstand high pressure, preventing elastomer extrusion and maintaining seal integrity.​
    Precision Engineering​
    Each component undergoes strict precision machining to ensure dimensional accuracy, allowing for a perfect fit within hydraulic systems. The surface finish of all parts is optimized to reduce friction and enhance sealing efficiency.​
    Structural Design​
    The star-shaped elastomer maximizes contact area with sealing surfaces, improving sealing effectiveness. The combination of wear rings and anti-extrusion rings creates a multi-layer protection system, ensuring the seal performs reliably under varying conditions.
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    Forever Seals DAQ2 Low - Friction Hydraulic Seal - Reliable Leakage Control 12
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    Application Range
    The DAQ2 Hydraulic Seal is widely applicable in:​
    Hydraulic cylinders​
    Industrial presses​
    Heavy machinery (construction, mining, agriculture)​
    Metallurgical equipment​
    Engineering machinery​
    Hydraulic power units​
    Any hydraulic system requiring reliable sealing, high pressure resistance, and wide temperature adaptability.
    FAQ
    Q: What is the expected service life of the DAQ2 seal?​
    A: Service life varies based on operating conditions such as pressure, temperature, media, and cycle frequency. Under normal working conditions, it typically ranges from several thousand to tens of thousands of hours.​
    Q: Can the DAQ2 seal be used with corrosive media?​
    A: Yes, when specified with FKM material, the DAQ2 offers excellent resistance to many corrosive media. For specific media types, consult our technical team for tailored recommendations.​
    Q: How do I select the correct size of DAQ2 seal for my system?​
    A: Provide key parameters such as piston diameter, cylinder bore, and groove dimensions. Our professional engineers will assist in selecting the appropriate size for your application.​
    Q: Is the DAQ2 suitable for high-speed hydraulic systems?​
    A: Yes, with its low-friction design, the DAQ2 can operate effectively in systems with speeds up to 2m/s, ensuring stable performance without compromising sealing.
    Enterprise Selling Points
    Professional R&D Capability​
    Forever Seals boasts a dedicated R&D team with extensive experience in seal design and innovation. We continuously improve product performance and develop new solutions to meet evolving industry needs.​
    Strict Quality Control​
    From raw material inspection to final product testing, we implement rigorous quality management systems to ensure every DAQ2 seal meets the highest standards of performance and reliability.​
    Customization Services​
    We offer customized solutions based on specific customer requirements, including material modifications, size adjustments, and special designs for unique hydraulic systems.​
    Comprehensive After-Sales Support​
    Our team provides technical consultation, installation guidance, and troubleshooting assistance to ensure customers get the most out of their DAQ2 seals. We are committed to ensuring customer satisfaction throughout the product lifecycle.

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