Top Flange Gasket Supplier in China

We are the leading Flange Gasket Manufacturer in China, offering top-standard and heavy-duty gaskets designed for various key sectors, including oil and gas, chemical, and manufacturing, among others. These gaskets are made of high-quality materials and are manufactured to precise specifications to ensure they fit perfectly, seal even the tiniest gaps, and serve their intended purpose in all environments, including the most aggressive ones.

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Decades of Expertise

Certified Quality Assurance

Advanced Forging & Machining

Global Standards Compliance

What is a Flange Gasket?

Flange gaskets likewise called rubber gaskets are mechanical seals that are normally utilized in between two flanges so as to contain the flow of fluids or gasses in pipe systems. typically, they are cloths predominantly of either rubber, or metal or composite; the main essence of ensuring that the seals are firm and leak proof. It is normal for hose gaskets to be utilized in development owing to their structure as distinct from some particular industries such as made up of clean-rooms or hospital pharmaceuticals business.

What is a Flange Gasket Used For?

Sealing Flange Connections: Flange gaskets are used to seal joints between flanges, preventing fluid or gas leakage in piping systems.
Ensuring System Integrity: They maintain the integrity of pipelines by creating a leak-proof connection, ensuring operational efficiency and safety.
Withstanding Harsh Conditions: Designed to endure high pressures, extreme temperatures, and chemical exposure, flange gaskets are suitable for demanding industrial environments.
Versatile Industrial Applications: Commonly used in petrochemicals, power plants, water treatment, and other industries requiring secure and reliable flange connections.

Why Choose Our Flange Gasket?

Our flange gaskets are suitable for non-leakage, have a long service life, and are resistant to high temperatures and high pressures. Being made of high-quality materials, these products are used in various industries, including refineries, power plants, and water purification facilities, to name a few, and perform exceptionally well.

Leak-Proof Sealing

Our flange gaskets ensure secure, leak-proof connections, preventing fluid or gas escape in critical industrial applications.

Versatile Applications

Ideal for industries like petrochemicals, power plants, and water treatment, offering reliable sealing across diverse operational needs.

Durable Construction

Made from premium materials, they withstand high pressures, extreme temperatures, and harsh chemical environments for long-lasting performance.

Enhanced Safety and Efficiency

Designed to maintain system integrity, our gaskets ensure operational safety, reduce downtime, and improve overall efficiency.

What do flange gaskets do?

Prevent Leakage: Flange gaskets seal joints between flanges, stopping fluids or gases from escaping in pipelines and industrial systems.
Ensure System Integrity: They maintain the structural integrity of piping systems, ensuring reliable and efficient operation under various conditions.
Withstand Harsh Conditions: Designed to handle high pressures, extreme temperatures, and chemical exposure, flange gaskets perform in demanding environments.
Support Industrial Applications: Used in industries like petrochemicals, power plants, and water treatment, they provide essential sealing for critical operations.

How to choose a gasket for a flange?

Consider Fluid Compatibility: Choose a gasket material resistant to the fluid's chemical properties to ensure durability and prevent degradation.
Evaluate Temperature and Pressure: Select a gasket that can withstand the system's operating temperature and pressure for reliable performance.
Assess Gasket Material Properties: Ensure the gasket's physical properties, like hardness and thickness, align with the flange and system requirements.
Account for Installation Factors: Proper torque and even pressure during installation are critical to maintaining a secure, leak-proof seal.

Explore Our Types of Flange Gasket

Non-metallic Gaskets

Non-metallic gaskets provide reliable sealing for low-pressure applications, using materials like rubber, PTFE, or graphite for flexibility and durability.

Semi-metallic Gaskets

Semi-metallic gaskets combine metal and non-metal materials, offering excellent sealing for high-pressure and high-temperature applications with enhanced durability.

Metal Gaskets

Metal gaskets are designed for extreme conditions, providing robust sealing in high-pressure, high-temperature environments with superior strength and reliability.

NPS (inch)	Flange OD (mm)	Min. Thickness (mm)	Raised Face Dia. (mm)	No. of Bolts	Bolt Circle Dia. (mm)	Bolt Hole Dia. (mm)
0.5	89	11.2	35.1	4	60.3	15.9
1	108	12.7	42.9	4	69.9	15.9
2	152	15.7	92.1	4	120.7	19.1
3	190	17.5	127	4	152.4	19.1
4	229	19.1	157.2	8	190.5	19.1
6	279	22.4	215.9	8	241.3	22.4
8	343	24	269.9	8	298.5	22.4
10	406	25.4	323.9	12	362	25.4
12	483	28.6	381	12	431.8	25.4
14	533	30.2	412.8	12	476.3	28.6
16	597	31.8	469.9	16	539.8	28.6
18	635	33.3	533.4	16	577.9	31.8
20	699	35.1	584.2	20	635	31.8
24	813	38.1	692.2	20	749.3	35.1

The data above is for reference purposes. We manufacture a full range of flanges covering all schedules and pressure classes (150, 300, 600, 900, 1500, 2500) and comply with various international standards including EN 1092-1, DIN, BS, and JIS. For complete technical data sheets or custom requirements, please contact our engineering team.

Key Application Industries of Flange Gasket

Oil and Gas Industry

Flange gaskets ensure leak-proof sealing in pipelines, valves, and pressure vessels under high-pressure and high-temperature conditions.

Chemical and Pharmaceutical Industries

Used to seal equipment handling aggressive chemicals, gases, and corrosive fluids, ensuring safety and operational efficiency.

Power Generation

Flange gaskets maintain stable pressure and temperature in boilers, turbines, and pumps, critical for power plant operations.

HVAC Systems

Provide airtight seals in ductwork, cooling units, and heat exchangers, enhancing energy efficiency and system reliability.

Why Choose Our Flange Gasket?

Superior Leak Prevention: Our flange gaskets ensure reliable, leak-proof sealing, maintaining system integrity and preventing fluid or gas escape.
Durable and Long-Lasting: Crafted from premium materials, they withstand high pressures, extreme temperatures, and harsh chemicals for extended durability.
Versatile Applications: Designed for diverse industries like oil and gas, power generation, and HVAC, meeting varied operational needs.
Enhanced Safety Standards: Our gaskets comply with stringent safety regulations, ensuring secure operations in critical environments.
Cost-Effective Solutions: With long-lasting performance and minimal maintenance, our gaskets reduce operational costs and enhance system efficiency.

What Our Client Says

Understand from our clients what they say about doing business with us and the unique value addition we provide.

"These flange gaskets have been a game-changer for our operations. Their durability and leak-proof performance ensure our systems run smoothly, even under extreme conditions. Highly recommended!"

Emily Zhang

Chemical Plant Manager

"I’ve used these flange gaskets in multiple HVAC projects, and they never disappoint. Reliable sealing, easy installation, and long-lasting performance make them my go-to choice!"

James Carter

HVAC System Engineer

Comprehensive Guide to Flange Gasket

What is a flange gasket, and how does it work?

A flange gasket is a sealing component placed between two flanges to prevent fluid or gas leakage in piping systems.

What are the different types of flange gaskets?

Common types include spiral wound, ring-type joint (RTJ), full-face, metal, and rubber gaskets, each suited for specific applications.

What industries commonly use flange gaskets?

Flange gaskets are widely used in oil and gas, chemical processing, power generation, HVAC systems, and pharmaceutical industries.

How do I choose the right flange gasket for my application?

Consider factors like fluid type, temperature, pressure, chemical compatibility, and flange design to select the appropriate gasket.

What are the benefits of using high-quality flange gaskets?

They ensure leak-proof sealing, enhance safety, withstand extreme conditions, and reduce maintenance costs, improving system efficiency.

Latest Blog Posts

Maintain Inventiveness by Following The Blog for the Latest Best Practices, Techniques, Innovations, and Insights in the Field.

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How do I select the right Flange Manhole?

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What are the different types of welded flanges?

What are the different types of welded flanges? Welded flanges have an immensely useful application in numerous different industrial operations wherein they provide pipes, valves, pumps, and other equipment...

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What is the difference between raised face and lap joint flanges?

Knowing the differences between various types of flanges is important to the smooth functioning and safety of industrial projects involving piping systems. Raised face and lap joint are among...

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What are the advantages of slip-on flanges?

When it comes to pipeline connections and industrial applications, selecting the right type of flange can make all the difference in efficiency, cost, and ease of installation. Slip-on flanges...

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What is the Difference Between Slip-On and Weld Neck Flange?

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Tools and Techniques for Cutting Gaskets

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Partner With a Trusted Flange Gasket Manufacturer

To obtain a reliable sealer for your industrial applications, consider partnering with a well-established company that specializes in manufacturing flange gaskets. Our high-quality safety gaskets have been designed for long-term use in industries such as oil and gas, chemical production, and air conditioning. Make safety a priority in your operations by reducing operational expenses through our optimized procedures. Contact us today to discuss your project.

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Frequently Ask Questions

Q: What are the common causes of flange gasket failure?

A: Failures often result from uneven bolt tightening, misaligned flanges, incorrect material selection, or surface contamination.

Q: How do I properly install a flange gasket?

A: Ensure clean flange surfaces, proper gasket alignment, and even bolt tightening using a torque wrench for a secure seal.

Q: What are the key applications of flange gaskets?

A: Flange gaskets are used in pipelines, valves, pressure vessels, and HVAC systems to ensure leak-proof connections and safety.

Q: How can I extend the lifespan of a flange gasket?

A: Proper installation, regular maintenance, and selecting the right material for the application can significantly extend a gasket’s lifespan.

Q: Can flange gaskets handle high-pressure applications?

A: Yes, certain types like spiral wound and RTJ gaskets are designed for high-pressure and high-temperature environments.

Q: How do I prevent flange gasket leaks?

A: Proper installation, even bolt tightening, and selecting the right gasket material are key to preventing leaks.

Q: What is the maximum temperature a flange gasket can handle?

A: The temperature limit depends on the material; for example, PTFE and metal gaskets can handle higher temperatures than rubber.

Q: What are the environmental considerations for flange gaskets?

A: Gaskets must resist environmental factors like UV rays, ozone, and weathering, especially in outdoor applications.

Top Flange Gasket Supplier in China

What is a Flange Gasket?

What is a Flange Gasket Used For?

Why Choose Our Flange Gasket?

Leak-Proof Sealing

Versatile Applications

Durable Construction

Enhanced Safety and Efficiency

What do flange gaskets do?

How to choose a gasket for a flange?

Explore Our Types of Flange Gasket

Non-metallic Gaskets

Semi-metallic Gaskets

Metal Gaskets

Flange Gasket Size Specifications Chart: ASME B16.5 Class 150

Key Application Industries of Flange Gasket

Oil and Gas Industry

Chemical and Pharmaceutical Industries

Power Generation

HVAC Systems

Why Choose Our Flange Gasket?

What Our Client Says

Comprehensive Guide to Flange Gasket

What is a flange gasket, and how does it work?

What are the different types of flange gaskets?

What industries commonly use flange gaskets?

How do I choose the right flange gasket for my application?

What are the benefits of using high-quality flange gaskets?

Latest Blog Posts

Partner With a Trusted Flange Gasket Manufacturer

Frequently Ask Questions

Q: What are the common causes of flange gasket failure?

Q: How do I properly install a flange gasket?

Q: What are the key applications of flange gaskets?

Q: How can I extend the lifespan of a flange gasket?

Q: Can flange gaskets handle high-pressure applications?

Q: How do I prevent flange gasket leaks?

Q: What is the maximum temperature a flange gasket can handle?

Q: What are the environmental considerations for flange gaskets?

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