Durable LPG CNG Rubber Hose with Low Gas Permeability for Automotive Fuel Systems
Automotive LPG/CNG Rubber Hose (Performance & Marketing Focus)
Automotive-Grade LPG/CNG Fuel Hose – Safe Gas Transfer & Long-Life Heat Resistance
Working Pressure: 6 Bar | Burst Pressure: 18 Bar | Wall Thickness: 3–4 mm
Temperature Resistant: -25°C to +125°C (-13°F to +257°F)
Standard Color: Black | Conforms to EN ISO 1307
Overview
Designed specifically for modern LPG and CNG vehicle fuel systems, this Automotive LPG/CNG Rubber Hose provides secure, low-permeation gas transfer with excellent durability under high-temperature environments.
Its specialized rubber compound minimizes gas leakage, while the robust wall structure and premium outer cover ensure long-term stability, even under heat, vibration, and continuous bending.
This hose is ideal for fuel distribution lines in LPG/CNG cars, motorcycles, forklifts, and conversion kits, delivering consistent performance and safety in demanding road conditions.
Highlights
Low Gas Permeability
Engineered with a highly compact rubber formulation, the hose ensures safe and reliable transfer of LPG/CNG, significantly reducing the risk of gas diffusion.
Good Heating Resistance
Withstands prolonged exposure to elevated temperatures in engine compartments, offering long service life in automotive environments.
Premium Aging Resistance
The outer cover uses high-quality aging-resistant rubber, providing excellent protection against cracking, hardening, UV exposure, and ozone.
Stable Working Pressure
Rated at 6 Bar working pressure and 18 Bar burst pressure, ensuring consistent safety margins for automotive gas lines.
Flexible & Easy to Install
The hose structure maintains flexibility in both cold and hot climates, supporting smooth routing in tight engine spaces.
Typical Applications
-
LPG vehicle fuel lines
-
CNG vehicle fuel lines
-
Auto LPG/CNG conversion kits
-
Forklift gas delivery systems
-
Small automotive engines using alternative gas fuels
-
Low-pressure gas transfer in mobility and industrial equipment
Performance Parameters
|
Inside diameter
mm
|
Wall thickness (approx.)
mm |
Working pressure / Bursting pressure
MPa |
Length max
m |
|
3.2
|
3.1
|
0.45 / 1.8
|
50
|
|
4
|
3.1
|
0.45 / 1.8
|
50
|
|
5
|
3.2
|
0.45 / 1.8
|
50
|
|
6
|
3.2
|
0.45 / 1.8
|
50
|
|
6.5
|
3.2
|
0.45 / 1.8
|
50
|
|
7.5
|
3.2
|
0.45 / 1.8
|
50
|
|
8
|
3.2
|
0.45 / 1.8
|
50
|
|
9
|
3.2
|
0.45 / 1.8
|
50
|
|
10
|
3.2
|
0.45 / 1.8
|
50
|
(Sizes customizable on request.)
Material Composition
| Layer | Description | Function |
|---|---|---|
| Inner Tube | Low-permeation LPG/CNG-resistant rubber | Safe fuel gas transfer, minimizes gas diffusion |
| Reinforcement | Fiber reinforcement / textile braid | Supports working pressure while maintaining flexibility |
| Outer Cover | Premium aging-resistant synthetic rubber | Protects against heat, abrasion, ozone, and long-term aging |
Product Advantages
-
Safe and stable for LPG/CNG gas transfer
-
Low gas permeation for higher safety standards
-
Excellent resistance to high temperature and aging
-
Long service life under continuous automotive use
-
Flexible structure suitable for compact routing
-
Complies with EN ISO 1307
-
Available in rolls for efficient storage and installation
-
OEM branding, customized colors, and printing services available
Conclusion
This Automotive LPG/CNG Rubber Hose offers safety, durability, and long-term thermal stability, making it the ideal solution for vehicle fuel gas systems worldwide. Its combination of low gas permeability, high-temperature resistance, and strong aging protection ensures reliable performance in the demanding environments of modern automotive applications.
Custom lengths, OEM branding, and packaging options are available for distributors, wholesalers, and conversion kit manufacturers.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.