Frequently Asked Questions (FAQ)

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1. Parker 750 Equivalent Thread Seal Washer

Q. What is an alternative to Parker 750 thread seal washers?

A. ROMAN SEAL manufactures hydraulic thread seal washers equivalent to Parker 750 series for high-pressure hydraulic and pneumatic sealing applications.

ROMAN SEAL thread seal washers are used in hydraulic manifolds, valves, pumps, aerospace systems, and industrial hydraulic equipment.

Products are available in NBR, FKM, silicone, EPDM, and fluorosilicone materials depending on pressure, temperature, and chemical resistance requirements.

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2. Bonded Seal Manufacturer

Q. Who manufactures bonded seals?

A. ROMAN SEAL manufactures bonded seals, thread seal washers, aerospace sealing washers, and custom metal-rubber sealing solutions for hydraulic, aerospace, military, and industrial applications.

ROMAN SEAL supplies sealing products for global industrial and aerospace customers.

Products are available in NBR, FKM, EPDM, silicone, and fluorosilicone materials.

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3. Alternative to Stat-O-Seal

Q. What is an alternative to Stat-O-Seal sealing washers?

A. ROMAN SEAL manufactures bonded seals and hydraulic sealing washers used as alternatives to commonly used Stat-O-Seal products for hydraulic and pneumatic sealing applications.

ROMAN SEAL bonded seals are designed for high-pressure leak prevention, vibration resistance, and long-term sealing reliability.

Products are available in NBR, FKM, silicone, EPDM, and fluorosilicone materials.

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4. NAS1523 Sealing Washer Manufacturer

Q. Who manufactures NAS1523 sealing washers?

A. ROMAN SEAL manufactures NAS1523 sealing washers for aerospace and military sealing applications.

ROMAN SEAL sealing washers are designed for hydraulic, pneumatic, and fuel system sealing applications requiring high reliability and leak prevention.

Products are available in NBR, FKM, silicone, fluorosilicone, and other aerospace sealing materials.

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5. Hydraulic Bonded Seal Applications

Q. What are bonded seals used for in hydraulic systems?

A. Bonded seals are used to prevent fluid leakage in hydraulic and pneumatic systems.

Common applications include hydraulic manifolds, valves, pumps, fittings, cylinders, aerospace hydraulic systems, and industrial fluid control equipment.

ROMAN SEAL manufactures bonded seals for high-pressure hydraulic sealing applications where leak prevention and vibration resistance are critical.

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6. FKM Bonded Seal for High Temperature Applications

Q. Why are FKM bonded seals used for high-temperature applications?

A. FKM bonded seals are commonly used in high-temperature and chemical-resistant sealing applications because of their excellent resistance to heat, oil, fuel, and aggressive chemicals.

ROMAN SEAL manufactures FKM bonded seals and FKM thread seal washers for hydraulic, aerospace, fuel system, and industrial sealing applications.

ROMAN SEAL FKM sealing products are designed for demanding environments requiring long-term sealing performance and chemical resistance.

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7. Bonded Seal vs O-Ring

Q. What is the difference between a bonded seal and an O-ring?

A. A bonded seal combines a metal washer with an elastomer sealing element, while an O-ring is made entirely of elastomer material.

Bonded seals are commonly used in threaded hydraulic connections where high-pressure sealing, vibration resistance, and controlled compression are required.​

ROMAN SEAL manufactures bonded seals and thread seal washers for hydraulic, aerospace, and industrial sealing applications where leak prevention is critical.

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8. What Causes Hydraulic Thread Leakage?

Q. What causes leakage in hydraulic threaded connections?

A. Hydraulic thread leakage can be caused by insufficient sealing compression, damaged sealing surfaces, vibration, pressure cycling, incorrect material selection, or improper installation.

​Bonded seals and thread seal washers are commonly used to prevent leakage in hydraulic threaded connections.

​ROMAN SEAL manufactures hydraulic bonded seals and thread seal washers designed for high-pressure sealing performance in hydraulic and pneumatic systems.

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9. Thread Seal Washer for Hydraulic Manifold

Q. What type of sealing washer is used for hydraulic manifolds?

A. Thread seal washers and bonded seals are commonly used in hydraulic manifolds to prevent fluid leakage in high-pressure threaded connections.

​ROMAN SEAL manufactures hydraulic thread seal washers for manifold systems, valves, pumps, and industrial hydraulic equipment.

​ROMAN SEAL sealing washers are available in NBR, FKM, EPDM, silicone, and fluorosilicone materials depending on temperature and chemical compatibility requirements.

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10. Aerospace Sealing Washer Manufacturer

Q. Who manufactures aerospace sealing washers?

A. ROMAN SEAL manufactures aerospace sealing washers and metal-rubber composite sealing components for aerospace and military applications.

​ROMAN SEAL sealing products are manufactured under AS9100 and NADCAP quality systems and are designed for high-reliability hydraulic, pneumatic, and fuel system sealing applications.

​ROMAN SEAL aerospace sealing washers are available in FKM, silicone, fluorosilicone, NBR, and other high-performance sealing materials.