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TETHERED CONFIGURATION
Product Identification and Marking
Hazardous Locations
Enardo™ Emergency Pressure Relief Vents are
available with outer housings of Carbon steel, stainless
steel or aluminum, as indicated in Figure 5.
Tagging Information
The nameplate is located on the unit's base, above the
connection flange (see Figure 5).
Nameplate Information
A nameplate is attached to the vent and contains the
following information:
• Model Number – Ex. 2124-24T-1
Figure 4. Operational Schematics
II 1 G Ex h IIC T6 Ga
II 2 G Ex h IIC T6 Gb
HAZARDOUS LOCATION
NAMEPLATE LOCATION
Figure 5. Product Identification and Marking
RESTRAINED CONFIGURATION
OUTER HOUSING OF STAINLESS STEEL,
CARBON STEEL OR COATED ALUMINUM
OUTER HOUSING OF UNCOATED ALUMINUM
• Connection Flange Size – 24 in. / 610 mm
• Serial Number
• Tag Number (Optional)
• Notified Body Number – Ex. 2460
• Cat. No. (Category Number)
- Category 1 – Stainless steel, Carbon steel or
Coated Aluminum vents
- Category 2 – Uncoated Aluminum vents
• Date – Date of Manufacture
• Certificate – Ex. PRESAFE 17 ATEX 10273X
• Pressure Setting and Flow Rate
- Setting – Ex. Z4.0
- Flow Rate SCFH (Air) – Ex. 00000
2100 Series
3
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