50 x 8g cream chargers : £25
100 x 8g cream chargers : £45
150 x 8g cream chargers: £65
200 x 8g cream chargers: £90
300 x 8g cream chargers: £130
1 x Cream Whipper: £30
5 x Cream Whippers: £150
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About Cream Chargers
Cream chargers or nos canisters as they are also called are small cylinders that tend to be made from stainless steel and contain nitrous oxide which is stored under pressure. These chargers are commonly used to power a dispenser that whips cream and are a common sight in restaurants and coffee shops where whipped cream is used frequently. While the dispensers that whip the cream can be quite expensive the chargers are relatively cheap to buy and come in multipacks as most dispensers will use 2 chargers at a time. Chargers containing nitrous oxide can also be used in model rockets as a source of power that is inexpensive and works to oxidise fuel which is solid.
Nos canister are usually around 2.5 inches long and around 0.7 inches wide which is the standard size of chargers and one that is most commonly used in dispensers. At one end of the charger there is a tip that narrows to a rounded point which fits into the cream dispenser, the other end is round. To contain the nitrous oxide safely the walls of the charger have a thickness of 1/16 inch as this enables them to cope with the pressure created by the gas inside them. Each nos charger has 8g of nitrous oxide which is contained under pressure. These cream chargers cannot be refilled once they have been emptied, but they can be recycled as they are made from 100% steel.
As mentioned the most common use of nos chargers London is in the kitchen and they are seen in restaurants, coffee shops, cafes, bars and in the home. The majority of dispensers that are found in these establishments will take the 8g chargers as standard. It is possible to buy larger dispensers which are capable of producing high volumes of whipped cream, but these are for commercial use.
The reason behind using nitrous oxide to whip cream is that it is a gas that will migrate quickly into cream (providing it has a fat content of at least 28%) and it does not cause the cream to oxidise while in the dispenser. This means that when the dispenser is used, fluffy, whipped cream will be created at the push of a button without having to whip by hand or with a machine.
Most people who use a dispenser with a cream charger will add cream, sugar, flavourings and colourings (if changing the colour and taste of the cream) to the dispenser. Once the ingredients have been added the dispenser needs to be tightly sealed and a charger or two will be dispersed into the device. As soon as this happens the dispenser will be pressurised and the nitrous oxide, which is soluble in fat, will have dissolved into the cream in the same way that soda water is made with carbon dioxide. If the dispenser is shaken it will dissolve the gas further and it will be all set up and good to go.
As soon as the valve on the dispenser is opened the pressurised cream will come out in whipped form. Any gas that was inside the dispenser that comes out at the same time will simply dissolve and go into the air – a process which is harmless.
Once a charger has been added to a dispenser it will be good for around 2 weeks. This is due to nitrous oxide being bacteriostatic and will therefore prevent bacteria from forming and growing in the dispenser. In fact it is possible to store a dispenser containing nitrous oxide and cream in the fridge for around 2 weeks, before using it again simply shake and it will be ready for use.