Gas
We have a range of common gases in stock. Let us know your needs in advance, so that we can ensure that we keep the product you need in stock.
If you need a gas or grade not listed here, we can special order gases from Praxair. If you wish to contact Praxair directly for quotes and/or advice, please ask us for Praxair's contact email and phone number.
We have the following gases in stock.
| Gas | Size | Fitting | Pressure |
|---|---|---|---|
| Air (medical) | K | 346 | 2200 / 154 |
| Argon | T | 580 | 2640 /183 |
| Argon UHP | T | 580 | 2640 /183 |
| Argon / 5% Hydrogen | T | 350 | 2000 / 138 |
| Carbogen | K | 280 | |
| Carbon dioxide | K | 320* | 830 / 57.2 |
| Helium | T | 580 | 2640 /183 |
| Helium UHP | T | 580 | 2640 /183 |
| Hydrogen PP | T | 350 | 2400 / 165 |
| Nitrogen (black) | T | 580 | 2640 / 183 |
| Nitrogen PP | T | 580 | 2640 / 183 |
| Nitrogen UHP | T | 580 | 2640 / 183 |
| Nitrogen / 5% Hydrogen | T | 350 | 2000 / 138 |
| Oxygen | T | 540 | 2640 / 183 |
| Oxygen Medical | E | 870 | 2000 / 138 |
*requires washer, available from Science Stores
Safety
Follow the guidelines below when using gas cylinders and most hazards can be avoided. See: OHSE Special Hazards.
- Always store cylinders securely - Science Stores sells bench and wall clamps for this purpose.
- Before moving a cylinder ensure that the regulator is removed and the safety cap is in place.
- Always use a cart to move cylinders.
- Toxic gases should only be used in appropriate cabinets or fumehoods.
- Check that your regulator is connected correctly and test that there are no leaks (CO2 requires a washer).
- If you notice a leak, close the main valve on the cylinder and repair the leak.
- Close the main valve when a cylinder is not being used.
And for more detailed information on how to safely work with compressed gases please see: