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Huhei Haoxing High Temperature Metarial Technology Co., Ltd

Graphite Ring

Hot Top Cast Graphite Ring (2)
Graphite Ring (1)

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Graphite Rings & Their Importance

As part of the advanced sealing solutions available today, graphite rings are crucial. Being manufactured from the purest forms of carbon materials, graphite rings guarantee stability, lubrication, and protection against corrosion. Regardless of whether the application is high-temperature metallurgy or machinery with moving fluids, the only guarantee for longevity and savings in maintenance is to have quality seals.

Common Applications of Our Graphite Rings

Our high-performance graphite rings function as critical sealants, friction reducers, and heat conductors across various demanding industries. As a leading graphite seal ring manufacturer, we supply heavy-duty components for.

Aluminum and Non-ferrous Metal Metallurgy (Application Scenarios for Graphite Rings in Hot-Top Casting)

Specifically utilized in hot-top casting systems and transition molds. These specialized graphite rings provide an exceptionally smooth molding finish and high temperature resistance, effectively preventing molten metal leakage and ensuring perfect billet surfaces.

Valves, Pumps, and Compressors (Oil-Air Lubricated Graphite Ring Seals)

Designed specifically for use in mechanical seals in devices that rotate or reciprocate at high speeds. The graphite rings make use of the consistent thermal conductivity and natural lubrication qualities of carbon to act as a protective shield.

Chemical & Petrochemical Processing Machinery

Our chemically stable and thermal-shock-resistant sealing components are ideal for reactors, agitators, and fluid control equipment handling highly corrosive media.

Custom Mechanical Engineering Sealing Solutions

Designed for a wide range of industries that use rotating machinery with durable sealing requirements.

Why Choose Haoxing Graphite?

The choice of graphite seal ring manufacturer is extremely important for your project. In our company, Hubei Haoxing, only the best materials are carefully chosen in order to produce quality products.

  • Excellent Resistance to Thermal Shock: The ability to preserve its structure under sharp temperature changes.
  • Superb Self-Lubricating Properties: Ensures minimal friction and wear of the equipment.
  • Custom Non-Standard Manufacturing:High-precision machining services tailored to your specific requirements.

Our Main Types of Graphite Rings

As an experienced graphite seal ring manufacturer, we offer specialized categories to meet diverse industrial demands. (Please review our main categories below):

Hot-Top Cast Graphite Ring
Oil-Gas Lubricated Graphite Ring

Technical Specifications & Parameters

To ensure you get the perfect fit, our graphite rings are manufactured to rigorous technical standards. Based on our latest quality inspection data, the following parameters serve as a baseline reference for our standard product line.

Parameter Specification Range (Customizable)
Outer/Inner Diameter Range 10 mm – 800 mm (Custom sizes available)
Working Temperature Up to 3000°C (In inert atmosphere) / Up to 500°C (In air)
Bulk Density 1.75 – 1.82 g/cm³
Compressive Strength 86 – 100 MPa
Flexural Strength ≥ 38 MPa
Hardness 53 – 80 HRC
Fixed Carbon Purity ≥ 99.90% (Up to 99.98%)
Ash Content ≤ 0.08% (As low as 260 ppm)
Machining Tolerance Up to ± 0.01 mm (High precision milling)

Common Industrial Applications

Our high-quality graphite rings are widely utilized across a variety of demanding industries, including:

  • Aluminum Casting:Used as transition rings in hot-top casting systems.
  • Chemical andPetrochemical Industries: Providing ideal sealing solutions for pumps, valves, and agitators handling corrosive media.
  • Mechanical Engineering: As reliable sealants in rotary couplings and compressors.
Graphite Products

Our Service Commitment

Hubei Haoxing is more than just a trusted graphite seal ring manufacturer; we are your long-term partner. We provide:

  • Customizing for OEM and ODM Needs: Personalized grades and sizes of materials according to your operational environment.
  • Global Logistics: Secure packing and fast transportation to reduce your waiting time.
  • Technical Services: Detailed consultations before the sale and comprehensive post-sale services.
Advanced Workshop

FAQ

A: Yes, as a professional graphite seal ring manufacturer, we provide you with all customized solutions. You can send us your drawings or samples, and we will design graphite rings according to your needs.

A: Graphite rings can bear temperatures up to 3000°C under a non-oxidizing environment. Under oxidizing conditions, they are normally operated up to 450°C-500°C.

A: Yes, we can provide graphite rings’ samples for quality testing. Please feel free to contact our sales department for further information on sample cost and shipment.

A: The lead time is determined by the quantity and complexity of graphite rings ordered. Typically, it takes 7-15 days from the date we receive your deposit.

A: A perfect combination of years of industry experience and advanced manufacturing processes. We focus on high-density, wear-resistant materials to ensure our graphite rings outperform standard market options.

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