Our LPG toroidal tank is core automotive gas equipment specially developed for vehicle LPG and CNG cylinder retrofits, fully compatible with complete CNG & LPG vehicle conversion kits. The circular toroidal structure fits perfectly into the spare-tire cavity of passenger vehicles, effectively preserving trunk storage space while offering safe and reliable autogas fuel storage capacity. Both standard and custom-built toroidal gas cylinders are available for LPG and CNG fuel systems. For tank installation pipeline accessories, our 6MM CNG high-pressure gas pipe series can be used for complete system matching.
Manufacturing Standard & Strict Testing
Production Standard: Strictly manufactured in accordance with international EN standards for vehicle gas cylinders
Testing Items: Every cylinder undergoes mandatory hydrostatic test, UT ultrasonic test and other EN-required safety inspections to ensure long-term driving safety
CNG Toroidal Tank Complete Specifications
| Outer Diameter (OD) | 600mm, 630mm, 650mm, 680mm |
| Net Weight | 53±2KG |
| Nominal Working Pressure | 200bar |
| Hydraulic Bursting Test Pressure | 300bar |
| Surface Painting Color | Customized according to customer requirements |
| Standard Matching Accessories | Neck ring and standard protection cap |
Material Quality & Core Advantages
Constructed with high-strength steel or composite materials, special craftsmanship enables the tank body to withstand high working pressure
Excellent resistance against long-term corrosion, abrasion and weather aging under vehicle operating conditions
Spare-tire toroidal shape design, maximizes trunk usable space for passenger cars
Full EN-standard safety testing, explosion-proof and leakage-proof performance
Long service life with robust material construction
Customizable outer color, dimension and supporting accessories
Wide compatibility for most gasoline-vehicle LPG / CNG autogas refitting systems
Related Auto Gas Parts You May Need
Full series CNG & LPG gas tank accessories, CNG LPG pressure reducer regulators and complete LPG & CNG conversion kits are available for one-stop sourcing. We support standard and custom-order requirements for global autogas distributors and installation workshops.
Frequently Asked Questions
Q1: What is the installation position for this toroidal tank?
A1: It is designed to be installed inside the spare-tire well of the vehicle, saving trunk cargo space. Please confirm your car spare-tire cavity dimension before ordering.
Q2: Are these toroidal tanks compliant with EN safety standards?
A2: Yes. Every unit is manufactured and tested following EN vehicle gas cylinder standards, including hydrostatic pressure test and UT ultrasonic inspection.
Q3: Can I customize color and dimension for toroidal gas cylinders?
A3: Surface painting color can be customized. Outer diameter options are 600mm,630mm,650mm,680mm; special dimensions can be discussed for large-volume orders.
Q4: What accessories are supplied as standard with the tank?
A4: Standard package includes neck ring and protection cap. Valves, pipelines and mounting brackets need to be ordered separately according to system requirements.
Q5: Can this tank be used for both LPG and CNG systems?
A5: Please select correct version for your fuel type. LPG and CNG tanks have different internal design and pressure ratings, do not mix-use.
Q6: Do you provide supporting high-pressure pipe and tank fitting parts?
A6: Yes, we supply 6MM CNG high-pressure gas pipe and full range tank-related fittings for complete conversion system build-up.
Global Supply Service
Our EN-standard LPG & CNG toroidal gas tanks and complete autogas spare-parts portfolio are exported to Latin America, Southeast Asia, South Asia, Middle East, Africa and Central Asia. Factory-direct wholesale and technical consultation are offered for autogas importers and modification partners worldwide.
