
Product no. RF-391
RF391 Mega SF6 Gas Handling
Mega SF6 gas handling unit for approximately 200 to 500 kg SF6 recovery, evacuation, refilling, and large GIS maintenance work.
Key Product Data
- Gas
- SF6
- Application range
- Large GIS and high-voltage SF6 equipment
- Control modes
- One-button control (K) or touch screen control (T)
- Recommended gas quantity
- 200 to 500 kg per service operation
- Vacuum pump options
- 64 / 100 / 200 / 300 m3/h, final vacuum <= 10 Pa
- Storage tank options
- No tank / 220 L / 300 L / 400 L / 500 L / 600 L
- Vacuum compressor options
- 15 m3/h <= 5000 Pa; 20 or 40 m3/h <= 50 Pa
- Roots pump options
- 251 / 505 m3/h, final vacuum <= 0.8 Pa
Product Overview
The RF-391 Series is a Mega SF6 gas handling unit for large-volume SF6 gas service. The published selection range is approximately 200 to 500 kg of SF6 per service operation.
This large RF Series recovery unit is suitable for large GIS and high-voltage SF6 equipment. It is a practical choice for utility-scale gas maintenance, large substations, high-voltage switchgear factories, and SF6 filling stations.
The system offers rich configuration options, including one-button or touch screen control, different vacuum compressor stages, several vacuum pump and Roots pump choices, and storage tank options up to 600 L.
Product Advantages
- Designed for approximately 200 to 500 kg large-volume SF6 gas handling in GIS equipment
- Multiple compressor, vacuum pump, Roots pump, voltage, and storage-tank options support project-specific requirements
- Oil-free compressor and oil-free vacuum compressor help keep recovered gas clean
- The current published configuration specifies SF6 recovery down to below 0.1 mbar
- Built-in liquid filling equipment can fill a 70 L cylinder in about 5 minutes
- Built-in filter removes moisture and impurities, and the molecular sieve supports online regeneration
- Touch screen one-button operation and built-in SF6 gas cooling system improve automation
- Optional storage tanks from no tank to 600 L allow flexible project matching
Technical Specifications
38 parameters- Gas
- SF6
- Application range
- Large GIS and high-voltage SF6 equipment
- Control modes
- One-button control (K) or touch screen control (T)
- Recommended gas quantity
- 200 to 500 kg per service operation
- Vacuum pump options
- 64 / 100 / 200 / 300 m3/h, final vacuum <= 10 Pa
- Storage tank options
- No tank / 220 L / 300 L / 400 L / 500 L / 600 L
- Vacuum compressor options
- 15 m3/h <= 5000 Pa; 20 or 40 m3/h <= 50 Pa
- Roots pump options
- 251 / 505 m3/h, final vacuum <= 0.8 Pa
- Recovery rate
- 0 to 150 kg/h (legacy published configuration)
- Recovery final vacuum
- < 1 mbar
- Oil-free compressor
- 15 m3/h standard published configuration
- Evacuation speed
- 64 / 100 / 200 / 300 m3/h vacuum pump; 251 / 505 m3/h Roots pump
- Final vacuum
- < 10 Pa by vacuum pump
- Air content after treatment
- <= 0.04% mass fraction
- Moisture after treatment
- <= 0.0005% mass fraction; dew point <= -49.5 °C
- CF4 after treatment
- <= 0.04% mass fraction
- Outlet pressure
- <= 3 MPa
- Power supply
- AC 380 V, 50 Hz, three phase
- Model
- RF-391
- Type
- Mega SF6 gas handling unit
- Dimensions
- 2030 mm x 1230 mm x 1930 mm
- Weight
- 1500 kg
- Oil-free recovery suction pump
- 20 m3/h standard; 40 m3/h optional, final vacuum < 50 Pa
- Liquid filling machine
- 5 m3/h; approximately 5 minutes for a 70 L cylinder
- Standard storage tank
- 300 L; 600 L optional, with digital weighing
- Dust filtration accuracy
- < 1 um
- Standard vacuum compressor
- 20 m3/h recovery suction pump, final vacuum < 50 Pa
- Standard vacuum pump
- 64 m3/h, final vacuum < 10 Pa
- Cooling system
- 3P refrigeration system
- Filtering system
- Built-in dehydration and impurity filter with molecular sieve regeneration
- Cylinder filling
- About 5 minutes to fill a 70 L cylinder
- Operating voltage
- 380 to 440 V / 50 Hz; 208 to 240 V / 60 Hz or 380 to 480 V / 60 Hz optional, three-phase
- Recovered SF6 purity
- >= 99.9%
- Language
- Chinese / English touch screen operation
- Connection hose
- 10 m DN20 steel braided hose with self-sealing couplings
- Cylinder hose
- 3 m DN20 self-sealing coupling with China cylinder connector
- Power cable
- 10 m
- Color
- Orange
Selection Guide
RF-391 can be configured by control mode, vacuum compressor, vacuum pump or Roots pump, and storage tank volume. This makes the unit suitable for different GIS sizes and maintenance workflows.
Model selection rule
| Code | Meaning | Available options |
|---|---|---|
| K / T | Control mode | K = one-button control; T = touch screen control |
| A1 / A2 / A3 | Vacuum compressor | A1 15 m3/h <= 5000 Pa; A2 20 m3/h <= 50 Pa; A3 40 m3/h <= 50 Pa |
| B1-B4 | Vacuum pump | B1 64 m3/h, B2 100 m3/h, B3 200 m3/h, B4 300 m3/h; final vacuum <= 10 Pa |
| B5 / B6 | Roots pump | B5 251 m3/h, B6 505 m3/h; final vacuum <= 0.8 Pa |
| C1-C6 | Storage tank | C1 no tank, C2 220 L, C3 300 L, C4 400 L, C5 500 L, C6 600 L |
Typical model examples
| Model | Control mode | Vacuum compressor | Vacuum pump / Roots pump | Storage tank | Typical use |
|---|---|---|---|---|---|
| RF-391KA1B1C3 | One-button | 15 m3/h | 64 m3/h vacuum pump | 300 L | Standard configuration |
| RF-391TA1B4C6 | Touch screen | 15 m3/h | 300 m3/h vacuum pump | 600 L | Large pump and large tank configuration |
| RF-391KA1B6C2 | One-button | 15 m3/h | 505 m3/h Roots pump | 220 L | Roots pump configuration |
Standard equipment description
| Component | Specification |
|---|---|
| Oil-free compressor | 15 m3/h |
| Oil-free SF6 recovery suction pump | 20 m3/h, final vacuum < 50 Pa; 40 m3/h optional |
| Vacuum pump | 64 m3/h, final vacuum < 10 Pa |
| Cooling system | 3P refrigeration system |
| Liquid filling machine | Fills a 70 L cylinder in about 5 minutes |
| Built-in storage tank | 300 L standard published capacity; 600 L optional, with weighing function |
| Filter | SF6 dehydration and impurity removal |
| Molecular sieve | Online regeneration supported |
| Touch screen | Chinese / English operation |
| Hoses | 10 m DN20 braided hose and 3 m cylinder hose |
Application and Selection Checklist
This product is listed for high-capacity gas handling. Before selection, provide the following project information so the configuration can be reviewed against the actual operating conditions.
- Gas composition and operating conditions
- Required range, capacity, flow, or response
- Power supply, interfaces, and installation space
- Site environment and destination country
- Quantity, schedule, and operating workflow
- Required standards, drawings, tests, and certificates
Standards, Documentation, and Project Fit
Product suitability is determined by the selected model, configuration, operating conditions, interfaces, and destination requirements. A matching product in the same group is not automatically interchangeable.
Standards, declarations, calibration records, inspection documents, drawings, manuals, commissioning, training, and test scope vary by product and contract. State every required item in the inquiry and confirm it in writing before purchase.
Typical application descriptions on this page are selection references, not claims about a named customer installation. Final project fit requires review of the actual site data.
Frequently Asked Questions
What is RF391 Mega SF6 Gas Handling used for?
RF391 Mega SF6 Gas Handling is intended for high-capacity gas handling. Mega SF6 gas handling unit for approximately 200 to 500 kg SF6 recovery, evacuation, refilling, and large GIS maintenance work.
Which product group does RF-391 belong to?
RF-391 is listed in the SF6 Service carts product group within the SF6 range.
What should be confirmed before selecting RF-391?
Confirm the application, gas conditions, required performance, utilities, connection interfaces, site environment, quantity, destination, and required technical documents.
Are standards and certificates available for RF-391?
Applicable standards, declarations, calibration or inspection records, and certificate availability depend on the selected model and destination. Confirm required documents in writing during the inquiry.
Related Selection Guides and Products
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