Usage of gas is widespread in every household and workplace, no matter which country you belong to. However, not everyone is quite aware of all the necessary details about gas and their various appliances. The most significant example would be that of the different types of gas appliances used in multiple fields, that is, type A and B. It becomes imperative to know the various functionality and technicalities of these appliances. It becomes exceptionally true for Type B appliances. Therefore, in this article, we will take a thorough look at everything that you might need to know about type B appliances. Let’s get started!
What is a Type B appliance?
Before beginning, it is essential to understand what is a B type appliance. Commonly found in the industrial sites, type B appliances are defined in AS/NZS 5601.1 as any appliance which has a gas consumption of 10 MJ/hour and more. These types of instruments do not have a certification scheme. Thus, it can be said that type B devices are any type of unbadged gas appliances. These types of appliances are only found in major industrial zones, thus having them at home or workplace is not suitable. Some significant examples of Type B appliances are incinerators, industry boilers, engine-powered appliances, and gas-fired turbines.
How is it different from Type A?
The primary difference between both the appliances would be their purpose and environment in which they are used. Whereas Type B is strictly meant for industrial purposes, Type A is mass-produced and is made for the purpose of light domestic use. As defined in AS/NZS 5601, they are appliances for which a certification scheme exists. Thus, these are commonly found in household and commercial places. Some significant examples would be gas stoves, hot water systems, domestic or commercial cooktops, woks, grills and barbecue attached to gas cylinders, and so on. The gas fitters authorized to handle these types of appliances would have to complete a Certificate III in Gas Fitting in order to be licensed.
Gasfitting work for Type B
Type B appliances require a particular set of works to be done by professional gas fitters. Down below, we have recorded a few of the typical job that is executed on Type B appliances:
- To interpret and analyze the design specifications of a Type B appliance.
- To install as well as commission all Type B appliances along with their components that utilize tempered liquified petroleum gas, natural gas, combination gas, or LPG.
- To install as well as test the Type B appliances along with its components. This includes safety checks (electrical), undertaking the gas, and recording and completing all procedures of isolation.
- To service the Type B appliances.
- To test the flue gases.
- To replace and repair the appliances and their components according to the specifications provided by the manufacturers.
Specifications for the plumbers of Type B appliance
For the safety of the community, it is required that whoever handles the Type B appliances is well-educated about the appliances as well as harbor critical skills to ensure proper handling of the devices. If you are a registered practitioner, it is required that you know and understand these requirements and apply them accordingly. We have listed a few of such conditions here:
- AS 2593 Boilers – Supervision and safety management systems
- AS/NZS 5601.1 Gas Installations
- AS3814 Commercial gas-fired and industrial appliances
- AS/NZS 3000 Electrical Installations
- AS/NZS 4836 Safe working on low- voltage electrical installations
- The certification scheme for gas that is issued for approved gas products and appliances
- Clearance requirements that are specified under the manufacturer specifications
The followings need to be maintained to undertake Type B gasfitting work so as to maintain a competent and safe standard:
- Please familiarize yourself with the blueprints and the building plan of a site to identify and understand the gas lines in their appropriate locations for the installation of the Type B appliances.
- Understand the specifications provided by the manufacturer to apply them for the installation of the Type B appliances.
- Ventilation requirements are necessary, therefore make sure to calculate and identify them before the installation process.
- Understand and have a clear idea about the differences between the different types of appliances, namely Type A and Type B.
Requirements for plumbing work
If you are looking into the field of gasfitting for Type B appliances, then there are quite a lot of set requirements that you would first need to acquire. As mentioned earlier, the gasfitters for Type B appliances need to have proper knowledge and skills for being acknowledged as a professional. We have listed here a few of the requirements that you would need to have for applying for registration. Let us take a look at them:
- You need to have a license for a Restricted Electrical Worker.
- You need to hold (at a minimum) a Certificate III course. This course will cover all the basic knowledge of gasfitting work for Type B gas appliances and assures you with the expertise.
- You need to complete CPCPGS4023A. This requires you to deal with a Type B appliance in real-time, including installing, commissioning, and servicing it, so that you can demonstrate your knowledge about it.
Certification of Type B appliances
Lastly, we will quickly take a look at the kind of certifications required for a Type B appliance. For starters, all devices must be certified in order to operate them legally. The list of requirements for such certification, however, may differ from one state to another. To get your industrial appliance approved, you will have to apply to any of the approving authorities in your area.
With this, we have more or less covered everything that you might want to know about Type B appliances. Whether it is for applying as a practitioner and gasfitter, or as an operator, this article has everything that you need to know about Type B appliances, their application, certification, and so on.