Internal pressure in SF6 tank Click here to view table 
Packaging  Fig. 40
SF6 cylinders and special high capacity container 5 l, 10 l, 20 l, 40 l and 600 l
Solvay sulphur hexafluoride is shipped as a pressure-liquefied gas in steel cylinders of various sizes. The filling level of SF6 per litre of container volume is 1.04 kg (at test pressure 70 bar) and 1.3 kg (at test pressure 250 bar). SF6 is supplied in steel cylinders of 5, 10, 20, 40, 50 and 52 kg capacity (Fig. 40). For larger quantities, special high-capacity containers are available. These have a capacity of 600 kg SF6 (Fig. 41b). Tube trailers (Fig. 42) with a capacity of 13 t are also available. The pressurized packaging are fitted with a special gas-cylinder valve. The valves have an external threaded port on the side with the designation W 21.8 x 1/14" (connection No. 6 in DIN 477). 
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| | | Cylinder | Container |
|---|
| Approval - Permit | | Pl | TÜV | | Capacity | litre | 5 | 10 | 20 | 40 | 600 | | Max. fill weight | kg | 6.5 | 13.0 | 26.0 | 52.0 | 600 | | Height with cap | mm | 605 | 960 | 970 | 1670 | 2120 long | | Outer dia. | mm | 140 | 140 | 204 | 204 | 770 | | Tare with cap | kg | 9 | 14 | 29 | 48 | 460 | | Test pressure | bar | 300 | 300 | 300 | 250 | 70 | | Valve connection | W 21.8 x 1 / 14"
DIN 477 / 6 |
This side-connection piece is protected from contamination and damage by a hexagon cap nut. The screw-on safety cap protects the valve from mechanical damage and contamination. To avoid any backflow of other gases, SF6 pressurised gas packaging should never be emptied so far that a partial vacuum develops. The valve must be closed immediately after the packaging has been emptied. Please return empty packaging in a suitable condition for refilling.  Send them to:
Solvay Fluor GmbH
Carl-Ulrich-Straße 34
D-74206 Bad Wimpfen am Neckar
Germany
Railway station:
Bad Friedrichshall-Jagstfeld
Packaging of used SF6 40 l steel cylinders and 600 l high-capacity containers are available. The pressurized containers are fitted with a special gas-cylinder valve, external threaded port connection. No. 8 (to DIN 477).
Transport by Road 
Fig. 43
Packaging for used SF6 40 l steel cylinders and 600 l high-capacity containers (see Fig. 43) are available. The pressurized containers are fitted with a special stainless steel gas-cylinder valve, external threaded port connection No. 8 (to DIN 477). This is necessary because corrosive decomposition products could be present. In documents, the product has to be declared as follows: Liquefied gas mixture,toxic, n.o.s.
(Sulphur Hexafluoride > 95 wt %,
Hydrogen Fluoride < 3 wt %,
Thionylfluoride < 2 wt %) | | GGVSE/ADR - GGVSE/RID | | UN No.: 3308 | | Class: 2TC | Danger label: 2.3 + 8
(for toxic, corrosive substances) |
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