Product Description
Working principle of gas bottle rubber seal
Rubber is a very elastic and soft raw material used to establish the seal between the gas cylinder and the valve, joint, or other components. In most cases, the seal is positioned at the gas cylinder interface. Because of the seal, whether the gas cylinder is filled or deflated, no gas leaks. The rubber material is also resistant to pressure, temperature, and chemical deterioration, and it can tolerate gas pressure, temperature fluctuations, and environmental changes. During operation, the seal employs elastic deformation to fit firmly to the interface surface, ensuring that the gas within the gas cylinder does not leak. The seal changes shape as the pressure in the gas cylinder fluctuates, yet it always keeps the equipment sealed. The gas cylinder rubber seal has a long-lasting sealing effect, ensuring the gas cylinder's safety and reliability. Reasonable installation and maintenance can help extend the life of the gas cylinder rubber seal.

Our Certificate
IATF 16949
ISO 9001
ISO 14001
Materials | Nitrile rubber (NBR), fluororubber (FKM), silicone rubber (VMQ), etc. |
Hardness | 60 - 90 Shore A |
Temperature range | -40°C to 200°C |
Pressure range | Up to 30 MPa |
Aging resistance | Excellent, adapt to oxidation and UV radiation in long-term use |
Advantage of gas bottle rubber seal
- Good sealing performance: the gas cylinder should not leak in a high-pressure situation.
- Good elasticity: fits tightly to the surface of the gas cylinder interface and maintains a stable sealing effect even when the gas cylinder's internal pressure varies.
- Temperature and corrosion resistance: It acts as a sealant in extreme temperatures and when in contact with various gases (liquefied gas, natural gas, etc.).
- Durability and anti-aging: It can be used for a long time without losing its sealing effectiveness, lowering maintenance expenses and replacement frequency.
Application
In various gas storage and transportation systems, particularly liquefied gas cylinders, oxygen cylinders, natural gas cylinders, and so on. Cylinder rubber seals have numerous applications in the household, industrial, medical, and other industries, including the usage of liquefied gas cylinders for home cooking, medical oxygen cylinders in hospitals, and natural gas cylinders for industrial and commercial use.
Why Choose Us?

competent experience
Our technical staff is proficient and competent, and we have many years of industry experience.
Quality assurance
To guarantee the high standards of every product, all of them go through rigorous quality testing.
Customer first
We prioritize each client's demands and offer superior post-purchase support.
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