Specifications - Emerson Enardo DFA Series Instruction Manual

Enardo DFA Series

Specifications

The Specifications table lists the specifications for the detonation flame arrestors. Some, or all, of the following
information is stamped on the nameplate attached to the arrestor: model number, flange size and rating, maximum initial
operating pressure, EN number (European Standard), EU type examination certificate, notified body number, gas group,
date of manufacture and serial number; other identification and customer tag number are optional.
Available Constructions
See Table 1 and Figure 3
Gas Group
D (IIA), C (IIB3) and B(IIC)
Flange Sizes and rating
1 to 24 in. / 50 to 600 mm
CL150
Housing Size
4 to 48 in. / 100 to 1200 mm
Maximum Experimental Safe Gap (MESG)
See Table 2
Maximum initial Operating Pressure
See Table 3
Maximum Ambient Air Temperature
140°F / 60°C
1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.
2. Hastelloy housings and element material are not USCG approved.
®
3. Not all models are available with USCG and ATEX certifications. Contact your local Sales Office for more information.
4. USCG and ATEX approval report(s) are available upon request.
5. Flow test data available upon request.
Table 1. Enardo DFA Series Detonation Flame Arrestor Available Construction (USCG/ATEX Approved)
MODEL
(2)
Enardo DFA-0401
Enardo DFA-0602
(3)
Enardo DFA-0802
Enardo DFA-0803
Enardo DFA-1004
Enardo DFA-1206
Enardo DFA-1608
Enardo DFA-2010
Enardo DFA-2412
Enardo DFA-2814
Enardo DFA-3016
Enardo DFA-3418
Enardo DFA-3620
Enardo DFA-4824
(3)
1. Not all models are available with USCG and ATEX certifications. Contact your local Sales Office for more information.
2. Includes eccentric construction.
3. Eccentric construction not USCG or ATEX certified.
Hastelloy is a mark owned by Haynes International, Inc.
®
2
(1)
FLAnGE SiZE HOUSinG SiZE
in. mm in.
1 25 4
2 50 6
2 50 8
3 75 8
4 100 10
6 150 12
8 200 16
10 250 20
12 300 24
14 350 28
16 400 30
18 450 34
20 500 36
24 600 48
Temperature rating of Gasket
Fiber Gaskets (standard): 450°F / 232°C
Graphite/Metal (optional): 1600°F / 870°C
Burning rating
See Table 3
Housing Material
Carbon steel, 304 Stainless steel,
316 Stainless steel and Hastelloy
Element Material
304 Stainless steel, 316 Stainless steel
and Hastelloy
®(2)
Certification
(3)
EN 12874 ATEX Certified
U.S. Coast Guard (USCG) Approved
USCG
mm D C
100
150

200
 
200
 
250
 
300
 
400
 
500
 
600
 
700
 
750
 
850
 
900
 
1200

(1)
®(2)
(4)(5)
(4)(5)
(1)
ATEX
B iiA iiB3

 
 
 
 
 
 
 
 
 
 