Specifications - Emerson Enardo EN Series Instruction Manual

Free Vent Flame Arrestor

Specifications

The Specifications section lists the specifications for the Free Vent Flame Arrestors. 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), EC 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 2
Gas Group
IIA and IIB3
Flange Sizes and Rating
2 to 12 inches / 50 to 300 mm
CL150 RF and CL150 FF
Housing Size
4 to 24 inches / 100 to 600 mm
Operational Temperature (T
140°F / 60°C
1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.
EN
Housing Connection
Size Size
04 = 4 inches 01 = 1 inch
through through
24 = 24 inches 12 = 12 inches
Figure 2. Free Vent Flame Arrestor Available Constructions and Model Numbering System
MODEL
EN-FVFA-0402
EN-FVFA-0603
EN-FVFA-0803
EN-FVFA-0804
EN-FVFA-1206
EN-FVFA-1608
EN-FVFA-2010
EN-FVFA-2412
Hastelloy is a mark owned by Haynes International, Inc.
®
2
)
(1)
o
/ -
IEC Housing
Gas Material
Group
IIA C = Carbon Steel
IIB3 4 = 304 SST
6 = 316 SST
H = Hastelloy ®
Table 1. EN FVFA Series Available Construction
FLANGE SIZE
Inch
2
3
3
4
6
8
10
12
Burning Time Rating
Less than 1 minute
Housing Material
Carbon steel, 304 Stainless steel,
316 Stainless steel and Hastelloy
Element Material
304 Stainless steel, 316 Stainless steel
and Hastelloy
®
EN Number (European Standard)
EN ISO-16852
Element Connection
Material Type
4 = 304 SST F = Flat face
6 = 316 SST flange
H = Hastelloy
®
R = Raised
face
flange
mm Inch
50 4
75 6
75 8
100 8
150 12
200 16
250 20
300 24
®
-
FVFA
Options
2 = Pressure Tap
3 = Temperature Probe Tap
4 = Miscellaneous
5 = Protective coating
6 = Special feature
HOUSING SIZE
mm
100
150
200
200
300
400
500
600