The FilterType is the representation of a filter and extends its supertype by specific Nodes. According to ISO 12500-1, a filter separates or removes contamination from a compressed air or gas stream. It is illustrated in Figure 27 and formally defined in Table 34.

Figure 27 – FilterType Illustration

Table 34 – FilterType Definition

Attribute	Value
BrowseName	FilterType
IsAbstract	False
References	Node Class	BrowseName	DataType	TypeDefinition	Other
Subtype of the CASComponentType defined in 7.7, i.e. inheriting the InstanceDeclarations of that Node.
The following nodes are override from CASComponentType
0:HasComponent	Object	Design		FilterDesignType	O

When instantiating this ObjectType the Identification Object shall use one of the concrete subtypes of the MachineryItemIdentificationType, either MachineIdentificationType or MachineryComponentIdentificationType, depending on the concrete usage of this Component. The ModellingRule of the Property DeviceClass remains as mandatory and its Value Attribute shall match the value stated in Table 9.