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Enardo 2000 and Enardo 2500 Series
Specifications
The Specifications section lists the specifications for the Enardo 2000 and Enardo 2500 Series. Specification is stamped
on the nameplate attached to the emergency relief vent. Refer to Product Identification and Marking section for the
nameplate details.
Connection Sizes Available
See Table 1
Pressure Ranges
(1)(2)
Enardo 2000 Series:
2.0 to 32.0 oz./sq. in.
(0.5 oz./sq. in. increments)
3.5 to 55.0 in. w.c.
(1.0 in. w.c. increments)
8.6 to 138 mbar
(2.2 mbar increments)
Enardo 2500 Series:
4.0. to 16.0 oz./sq. in.
(0.5 oz./sq. in. increments)
7.0 to 27.0 in. w.c.
(0.5 in. w.c. increments)
17.4 to 67.2 mbar
(2.2 mbar increments)
Vacuum Pressure Ranges
(1)
0.5, 0.75, 1 and 2 oz./sq. in.
1. The pressure limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.
II 1 G Ex h IIC T6 Ga
II 2 G Ex h IIC T6 Gb
II 1 G Ex h ia IIC T5 Ga
SERIES
Enardo 2000 Series
Emergency Pressure Relief -
For Pressure Relief Only
Enardo 2500 Series
Emergency Pressure Relief Vent
with Vacuum -
For Pressure and Vacuum Relief
Teflon
and Viton
are marks owned by E. I. du Pont de Nemours and Company.
®
®
2
(2500 Series)
HAZARDOUS LOCATION
Figure 4. Product Identification and Marking
Table 1. Connection sizes and Model Number
MODEL
2004
2008
2012
2016
2018
2020
2024
2516
2520
2524
Construction Materials
Enardo 2000 Series
Base and Arm: Carbon Steel, 304 Stainless steel and
316 Stainless steel
Disk and Seal Support: Aluminum,
304 Stainless steel and 316 Stainless steel
Seal: Buna-N, FEP Teflon
Enardo 2500 Series
Base, Arm and Hood: Carbon steel,
304 Stainless steel and 316 Stainless steel
Disk and Seal Support: Aluminum and 316 Stainless steel
Seal: FEP Teflon
, Viton
®
Vacuum Spring: 302 Stainless steel
Vacuum Pallet and Vacuum Seat: Polyphenylene Sulfide
and 316 Stainless steel
Certification
EN IEC 60079-0:2018
EN IEC 60079-11:2012
EN ISO 80079-36:2016
EN ISO 80079-37:2016
OUTER HOUSING OF STAINLESS STEEL,
CARBON STEEL OR COATED ALUMINUM
OUTER HOUSING OF UNCOATED ALUMINUM
SMART WIRELESS ID MARKING
(ENARDO 2000 SERIES MODELS ONLY)
CONNECTION SIZE
ANSI
4 in.
8 in.
12 in.
16 in.
18 in.
20 in.
24 in.
16 in.
20 in.
24 in.
and Viton
®
®
and Buna-N
®
API
- - - -
8 in.
- - - -
- - - -
- - - -
20 in.
24 in.
- - - -
20 in.
24 in.
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