Figure 2.
Cut-away view of Enardo DFA Series Detonation Flame Arrestor
Figure 3.
Enardo DFA Series Detonation Flame Arrestor Available Constructions and Model Numbering System
/
-
-
Detonation
Flame
Arrestor
Housing
Size
Connection
Size
nEC
Gas
Group
Housing
Material
Element
Material
Connection
Type
Options
Enardo DFA =
Concentric
Enardo DFAE =
Eccentric
04 = 4 in.
through
48 = 48 in.
01 = 1 in.
through
24 = 24 in.
D (IIA)
C (IIB3)
B (IIC)
C = Carbon steel
4 = 304 SST
6 = 316 SST
H = Hastelloy
®(1)
4 = 304 SST
6 = 316 SST
H = Hastelloy
®(2)
F = Flat face
flange
R = Raised face
flange
1 = Drain Plug
2 = Pressure Tap
3 = Temperature Probe Tap
4 = Miscellaneous
5 = Protective coating
6 = Special feature
Note:
Not all models are available with USCG and ATEX certifications. Contact your local Sales Office for more information.
Hastelloy
®
is a mark owned by Haynes International, Inc.
1. Hastelloy
®
housings are not USCG approved.
2. Hastelloy
®
element material is not USCG approved.
HAZArDOUS LOCATiOnS
Figure 4.
Product Identification and Marking for ATEX Units
Markings
nameplate information
A nameplate will be attached to the arrestor and will
contain the following information:
•
Model number:
Ex. DFA 1206/D (see model
information above)
•
Flange Size and rating:
Ex. 6 in. CL150
•
Maximum initial Operating Pressure, P
O
•
En number:
Ex. ISO EN 16852 (if applicable) or
EN 12874
•
EU Type Examination Certificate (if applicable)
•
notified Body number (if applicable):
Ex. 0518
•
Gas Group:
Ex. IIA or IIB3, D, C
•
Date of Manufacture
•
Serial number
•
Other identification (Optional)
•
Customer Tag number (Optional)
3
Enardo DFA Series
Outside North
America Only
