| Cylinder Specifications | Content |
| Cylinder Capacity | Valve | Gas Net Weight |
| 40L | CGA 590/QF-2 | 50 kg |
| 47L | CGA 590/QF-2 | 58 kg |
| 50L | CGA 590/QF-2 | 62 kg |
SF₆ Gas for High-Voltage Electrical Equipment
The most important commercial application of SF₆ is as an insulating and arc-quenching gas in high-voltage electrical equipment.
YIGAS supplies SF₆ gas for:
Gas-insulated switchgear (GIS)
High-voltage circuit breakers
Gas-insulated substations
Gas-insulated transmission lines
Ring main units
High-voltage transformers and related equipment
Electrical equipment commissioning
Equipment maintenance and gas replenishment
Its high dielectric strength allows electrical equipment manufacturers to design compact insulated systems while maintaining reliable electrical isolation.
For this application, buyers should focus on gas purity, moisture, acidic impurities and reliable cylinder supply rather than simply comparing the price per kilogram.
Typical Buyers
Our SF₆ supply is suitable for:
Switchgear manufacturers
Transformer and electrical equipment manufacturers
Power utilities
Substation operators
EPC contractors
Electrical maintenance companies
Industrial gas distributors
For recurring electrical projects, YIGAS can coordinate cylinder quantities and shipment schedules based on expected project consumption.
Which SF₆ Grade Should You Choose?
99.995% Industrial Grade SF₆
Recommended primarily for:
For most electrical equipment applications, buyers should first compare the complete impurity specification with the equipment manufacturer's acceptance limits.
99.999% Electronic Grade SF₆
Recommended for selected applications requiring tighter control of gases such as CF₄, O₂, N₂, CH₄, CO and CO₂.
Typical applications may include:
For semiconductor applications, you can also review our semiconductor and electronics gas solutions.
The higher-purity grade should not automatically be selected simply because it contains more “nines.” The correct grade depends on your process and impurity requirements.
SF₆ Cylinder Sizes and Packaging
YIGAS provides several standard cylinder configurations for commercial and project supply.
| Cylinder Capacity | Valve | SF₆ Net Weight |
|---|
| 40L | CGA590 / QF-2 | 50 kg |
| 47L | CGA590 / QF-2 | 58 kg |
| 50L | CGA590 / QF-2 | 62 kg |
Customers should confirm the required cylinder and valve standard before ordering.
We can review:
For larger electrical projects or distributors requiring recurring shipments, tell us your monthly or annual SF₆ consumption so we can recommend a more suitable delivery schedule.
SF₆ Supply for Switchgear Manufacturers
Switchgear and high-voltage equipment manufacturers normally require SF₆ at different stages of production and delivery.
Typical requirements include:
New Equipment Filling
SF₆ is used during production and factory testing of gas-insulated electrical equipment.
Equipment Commissioning
Additional gas may be required when GIS, circuit breakers or other equipment is installed at the project site.
Maintenance Supply
Utilities and maintenance contractors may require replacement or topping-up gas during inspection and servicing.
Project-Based Supply
Large substations and transmission projects may require multiple cylinders delivered according to the commissioning schedule.
YIGAS can coordinate SF₆ supply according to production plans, project schedules and destination requirements.
What Electrical Buyers Should Specify When Ordering SF₆
Providing complete purchasing information helps us quote the correct gas and packaging quickly.
| Requirement | Information to Provide |
|---|
| Application | GIS, circuit breaker, switchgear, maintenance, etc. |
| Required Purity | 99.995%, 99.999% or customer specification |
| Standard | IEC 60376 or project-specific specification |
| Cylinder Size | 40L, 47L or 50L |
| Valve | CGA590, QF-2 or specified connection |
| Quantity | Number of cylinders / total kg |
| Project Type | Manufacturing, commissioning or maintenance |
| Destination | Country and delivery port |
| Required Documents | COA, SDS, specification, etc. |
| Delivery Date | Required shipment or arrival date |
If you are experiencing abnormal moisture or purity readings in existing switchgear, see our technical guide on SF₆ gas moisture and purity problems in high-voltage switchgear rather than using this product page as a troubleshooting guide.
SF₆ for Electronics and Other Industrial Applications
Although the electrical industry is the primary focus of this product, higher-purity SF₆ may also be used in selected electronics and industrial processes.
Electronics Manufacturing
99.999% electronic-grade SF₆ can be evaluated for selected plasma and electronics processes where tighter impurity control is required.
Customers should submit the required purity and individual impurity limits before ordering.
Gas Detection and Calibration
SF₆ may also be used as a component or target gas in leak detection and gas-monitoring applications.
For customized concentrations and calibration requirements, visit our gas detection solutions.
These secondary applications should be evaluated separately from electrical-grade SF₆ because purity, packaging and analytical requirements may differ.
Quality Control for SF₆ Supply
For electrical equipment manufacturers and utilities, stable gas quality is essential for consistent equipment filling and operation.
YIGAS focuses on:
Available technical documents can be confirmed according to order requirements.
Customers may request:
You can also access available gas safety documents through our technical document download center.
Supply Support for Bulk Buyers and Distributors
YIGAS is not only focused on individual cylinder sales. We support commercial buyers with recurring SF₆ requirements.
For distributors, electrical manufacturers and project contractors, supply arrangements can include:
Multi-cylinder shipments
Regular purchasing schedules
Annual volume planning
Project-based deliveries
Export packaging
Customer-specific labeling
Cylinder turnover planning
Long-term supply agreements
When requesting a commercial quotation, providing your estimated annual consumption helps us evaluate cylinder allocation, production planning and delivery frequency.
Why Choose YIGAS as Your SF₆ Gas Supplier?
Two Purity Options
YIGAS supplies both 99.995% industrial-grade SF₆ and 99.999% electronic-grade SF₆, allowing buyers to select according to actual application requirements.
Multiple Cylinder Options
40L, 47L and 50L cylinder configurations are available for different purchasing and project requirements.
Experience in Industrial and Specialty Gases
YIGAS has more than 30 years of experience in the industrial gas industry and operates multiple production and supply bases in China.
Quality and Traceability
Gas specifications, filling records, cylinders and shipment information can be managed according to agreed customer requirements.
Support for Large Orders
We can discuss multi-cylinder purchases, regular shipments and long-term supply requirements with power equipment manufacturers, utilities and distributors.
International Delivery Support
YIGAS coordinates gas packaging, dangerous-goods documentation and transportation requirements for overseas customers.
Technical Requirement Review
If your equipment manufacturer or project specifies individual limits for moisture, HF, CF₄ or other impurities, our team can review the specification before quotation.
Environmental and Regulatory Considerations
SF₆ has a very high global warming impact, so leakage prevention, controlled handling and appropriate recovery practices are important throughout equipment filling and maintenance.
Regulatory requirements differ by country and application. Buyers should confirm whether local restrictions apply to new equipment, servicing, import or use before ordering.
YIGAS can provide available product and transportation documentation to support commercial supply requirements.
For this page, detailed discussions of SF₆ emissions, alternative insulating gases and recycling technologies are intentionally kept separate from the product purchasing information.
Request an SF₆ Gas Quotation
Looking for a reliable sulfur hexafluoride gas supplier for switchgear, GIS, circuit breakers or electronics applications?
Send us:
Required SF₆ purity
Application or equipment type
Required standard or specification
Cylinder size and valve
Number of cylinders or total quantity
Estimated annual consumption
Destination country and port
Required documentation
Delivery schedule
YIGAS will review your product, packaging and logistics requirements and provide a suitable SF₆ supply proposal.
Request SF₆ Specification & COA
