The AGRU-7 is a portable SF6 gas recovery unit for field servicing of circuit breakers up to 132 kV, metal-clad switchgear and bus ducts. It offers more capacity than small handcart units without the bulk of a trailer-mounted unit.
SF6 calculator
Estimate how long the AGRU-7 takes to recover the gas and evacuate your compartment, and how much gas is left inside →Benefits
A single valve
One valve selects the operating mode: recovery, evacuation, purification or filling.
Fully oil-less compressor
2 m³/h direct-drive compressor rated up to 34 bar, which liquefies the SF6 for storage in the on-board cylinders.
99.6% or 99.9% recovery
The standard version recovers SF6 down to 100 mbar; the XDS version adds a 6 m³/h vacuum compressor and reaches a residual pressure below 1 mbar.
Clean, dry gas
Dryer filter, purifier cartridge and 0.1 µm particulate filter, with a colour-change moisture indicator. Filters are changed without special tools.
Applications
- Recover and purify SF6, removing particles, moisture and decomposition products.
- Evacuate air and moisture prior to filling.
- Consolidate partially used SF6 cylinders.
- Store SF6 in liquid state and fill equipment at regulated pressure.
About the product
The cart, on four swivel casters, carries two 52 kg cylinders: 104 kg of liquid SF6 on board, expandable without limit with external tanks through the auxiliary connection. The 17 m³/h vacuum pump evacuates equipment below 1 mbar. Stainless steel tubing and fittings, 220 V supply and a 3 m power cord. Hoses with DN20 connections, adapters for North American (CGA-590) and European (DIN 477) cylinders and the digital cylinder scale are supplied as accessories.
Technical specifications
| Application | Circuit breakers up to 132 kV, metal-clad switchgear and bus ducts |
| SF6 compressor | Oil-less, direct drive; 2 m³/h; up to 34 bar |
| SF6 recovery | Down to 100 mbar (99.6%); XDS version: < 1 mbar (99.9%) |
| Vacuum pump | 17 m³/h (10 CFM); < 1 mbar |
| Filtration | D-1 dryer filter, purifier cartridge and F-1 particulate filter (0.1 µm) |
| On-board storage | 2 × 52 kg cylinders (104 kg of liquid SF6); expandable |
| Power supply | 220 V, single-phase, 50/60 Hz (other voltages on request) |
| Dimensions (height × width × depth) | 1727 × 851 × 1003 mm |
| Weight | 324 kg, with two cylinders |
Frequently asked questions
What is the difference between the AGRU-7 and the AGRU-7 XDS?
The standard version recovers SF6 down to 100 mbar (99.6%). The XDS adds a 6 m³/h vacuum compressor and a digital vacuum gauge, and leaves a residual pressure below 1 mbar (99.9%).
How much SF6 can it store?
104 kg in liquid state in the two on-board cylinders. Through the auxiliary connection, storage can be expanded without limit with external cylinders or tanks.
Are hoses included?
No. They are ordered separately in sets of two 3 m or 6 m hoses with DN20 connections, together with the adapters required for each cylinder type.
How often are the filters changed?
Replacing the filter kit every 50 hours of compressor operation is recommended; the moisture indicator shows the condition of the gas.
