What is fuel tank pipe seal

Fuel tank pipe seal is a key component used in fuel systems powered by automobiles, motorcycles and other internal combustion engines. It serves as a seal and is situated where the gasoline line and fuel tank join. To maintain stability and dependability in fuel conditions, the seal’s substance is resistant to chemicals and oil. Ensuring excellent sealing performance and preventing fuel leakage and the intrusion of external pollutants requires careful consideration of diverse operating circumstances and environmental requirements during the manufacturing and design phases. Your fuel system’s correct functioning and safety depend heavily on the performance and quality of the seals.

Technical data

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Material NBR
Density 1.0 – 1.2 g/cm³
Hardness 30 – 95 Shore A
Tensile strength  10 – 25 MPa
Elongation at break  200 – 600%

Certification standard

  • ISO 9001: The International Organization for Standardization (ISO) developed the ISO 9001 quality management system certification standard. Manufacturers of fuel tank pipe seals can demonstrate that they have an efficient quality management system that satisfies global quality management standards by obtaining ISO 9001 certification.
  • The American Society for Testing and Materials (ASTM) created ASTM D2000 as a standard to define the material characteristics and requirements for rubber goods. In accordance with ASTM D2000 standards, fuel tank pipe seal manufacturers are able to test and assess the physical, chemical, and oil resistance characteristics of their rubber materials.
  • SAE J20: The Society of Automotive Engineers (SAE) created this standard, which governs rubber hose and pipe couplings in vehicle cooling systems. While SAE J20 is primarily concerned with cooling systems, gasoline tank duct seals are also subject to certain of its standards and test procedures.
  • DIN 3771: The German Institute for Standardization (DIN) has published a standard, DIN 3771, which details the tolerances and seal dimensions for rubber and plastic items. Manufacturers of fuel tank pipe seals can find out the dimensions and tolerance specifications for their products by consulting the DIN 3771 standard.

What are the characteristics of Fuel tank pipe seal materials?

  1. Oil resistance: The capacity to keep things stable and dependable in fuel-exposed conditions. Consequently, the material must have outstanding resistance to oil, be able to withstand fuel erosion and corrosion, and not expand, soften, or degrade.
  2. Chemical resistance: The material used for the gasoline tank pipe seal must be both oil and chemical resistant. To preserve their stability and functionality, they should be resistant to the substances in the fuel, as well as any other substances and solvents that could be present.
  3. Elasticity and compressibility: In order for seals to properly fill and seal the gaps in the pipe connections during installation and usage, they must possess a particular amount of both elasticity and compressibility. This offers a trustworthy seal and aids in the prevention of fuel leaks.
  4. Resistance to high and low temperatures: It must be able to continue operating at various temperatures. In order to adjust to the demands of various working conditions and preserve consistent sealing performance, they must possess both high and low temperature resistance.
  5. Wear Resistance: To preserve its long-term service life and performance, a material must have some wear resistance, since seals may be subjected to elements like vibration and friction.
  6. Sealing: A crucial component is its exceptional ability to seal. To maintain the regular functioning and safety of the fuel system, the fuel tank pipe seal must be able to successfully stop gasoline leaks and the entry of outside contaminants.

Application

Automobile sector: The automotive industry uses fuel tank pipe seals extensively. To guarantee the fuel system’s sealing and safety, they are utilized in gasoline tanks, oil supply and return pipes, and other automotive fuel system components.

Aerospace industry: It is employed in the fuel systems of airplanes, rockets, and more aircraft. They provide the dependability and safety of fuel storage and transfer in demanding conditions, including high altitude and high pressure.

Shipping industry: It is used in fuel tanks, pipelines, valves, and other ship fuel system components to guarantee the sealing and supply safety of ship fuel in the domains of ship construction and ship transportation.