Round Flange Gasket – Industrial Fluid and Fuel Pipeline Sealing Solution
The Round Flange Gasket is specifically designed for round flange connections, providing a reliable sealing solution for industrial pipelines. It ensures stable sealing performance for liquids, fuels, chemical media, and food-grade fluids. Globally, this product is often referred to as Round Flange Gasket, Circular Flange Seal, or Flange O-Ring for Round Pipes. In different countries, it also has various names, such as Junta de Brida Redonda (Spain), Ronde Flenspakking (Netherlands), Runder Flanschdichtung (Germany), Joint de Bride Ronde (France), and more.
Material and Design Features
Buna-N (Nitrile Rubber): Standard stock gasket suitable for most fuel and industrial fluid pipelines
Viton (FKM/FPM): High-temperature and corrosion-resistant option for chemical media
EPDM (Ethylene Propylene Rubber): Ideal for water, steam, and mild chemical fluids
Round Flange-Specific Design: Precisely matches round flange interfaces for reliable sealing
High Pressure and Temperature Resistance: Precision molded to maintain a stable seal under demanding conditions
Easy Installation: No extra tools required for quick replacement, reducing maintenance time and cost
Applications
Fuel Pipelines: Gas stations, fuel trucks, and depot storage systems
Chemical Pipelines: Suitable for corrosive liquids (Viton recommended)
Food & Beverage Fluid Transfer: Ensures hygienic and safe liquid transport
Water Treatment and Agricultural Irrigation: EPDM option for water and mild chemicals
Pipeline Maintenance and Upgrades: Quick gasket replacement improves operational efficiency
The round flange-specific design eliminates the need for intermediate adapters, providing fast and reliable sealing, simplifying pipeline structure, and enhancing safety.
Available Sizes
Item No. Diameter Material
BUNA-N-100R 1 inch Buna-N
BUNA-N-125R 1.25 inch Buna-N
BUNA-N-150R 1.5-inch Buna-N
BUNA-N-200R 2-inch Buna-N
BUNA-N-250R 2.5-inch Buna-N
BUNA-N-300R 3-inch Buna-N
BUNA-N-400R 4-inch Buna-N
BUNA-N-600R 6-inch Buna-N
Custom diameters, thicknesses, and materials are available upon request. Providing details on fluid type and operating pressure helps select the most suitable sealing material and structure.
Product Advantages
Reliable Sealing: Precision-molded interfaces with high-quality rubber reduce leakage risk
Corrosion and Temperature Resistance: Suitable for petroleum, chemical, and industrial fluids
Multiple Material Options: Buna-N, Viton, and EPDM meet diverse operational needs
Quick Installation: Tool-free replacement reduces pipeline maintenance cost
International Recognition: Round Flange Gasket, Circular Flange Seal, Flange O-Ring for Round Pipes
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