Emerson Enardo 2000 Series - Specifications; Connection Sizes Available; Pressure Ranges; Vacuum Pressure Ranges

2000 and 2500 Series
2
Specications
The Specications section lists the specications for the 2000 and 2500 Series. Specication is stamped on the
nameplate attached to the emergency relief vent. Refer to Product Identication and Marking section for the
nameplate details.
Connection Sizes Available
See Table 1
Pressure Ranges
(1)(2)
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)
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)
(2500 Series)
0.5, 0.75, 1 and 2 oz./sq. in.
Construction Materials
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 Teon
®
and Viton
®
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 Teon
®
, Viton
®
and Buna-N
Vacuum Spring: 302 Stainless steel
Vacuum Pallet and Vacuum Seat: Polyphenylene
Sulde and 316 Stainless steel
1. The pressure limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.
Figure 4. Product Identification and Marking
Teon
®
and Viton
®
are marks owned by E. I. du Pont de Nemours and Company.
SERIES MODEL
CONNECTION SIZE
ANSI API
2000 Series
Emergency Pressure Relief -
For Pressure Relief Only
2004 4 in. - - - -
2008 8 in. 8 in.
2012 12 in. - - - -
2016 16 in. - - - -
2018 18 in. - - - -
2020 20 in. 20 in.
2024 24 in. 24 in.
2500 Series
Emergency Pressure Relief Vent
with Vacuum -
For Pressure and Vacuum Relief
2516 16 in. - - - -
2520 20 in. 20 in.
2524 24 in. 24 in.
Table 1. Connection sizes and Model Number
HAZARDOUS LOCATION
OUTER HOUSING OF UNCOATED ALUMINUM
II 2 G c T6
OUTER HOUSING OF STAINLESS STEEL,
CARBON STEEL OR COATED ALUMINUM
II 1 G c T6
SMART WIRELESS ID MARKING
(2000 SERIES MODELS ONLY)
II 1 G c T5
Ex ia IIC T5 Ga