Is a gas flow damper intended to adjust an air flow rate through a duct.

balancing damper

tag class

a list of recommended listing of spares received from vendor/manufacturer to support installation, commissioning, operation or maintenance.

Specify the gas group classification of the physical object in accordance with IEC/EN 60079-20

Specify the temperature classification of the physical object in accordance with CENELEC EN50014

Specify the hazardous zone in which the functional or physical object is expected to operate.

Property	Data Type	Max Length	Required	Picklist
explosion protection gas group Text Required Max Length: 40 Picklist: explosion protection gas group	Text	40	Required	explosion protection gas group
explosion protection temperature class Text Required Max Length: 40 Picklist: explosion protection temperature class	Text	40	Required	explosion protection temperature class
explosion protection zone Text Required Max Length: 40 Picklist: zone	Text	40	Required	zone