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7/25/2019 DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors
http://slidepdf.com/reader/full/ds-dfa-1-fa-1-2-3-detonation-flame-arrestors 1/9
En g ineered fo r . ....
Qua l i ty , Pe r fo rm ance Se r v ic e
Materials: 3 SS Grid with CarbonSteel of 304SS Housing
Pressum’RatirqE: 150 PS IG
Press-we
Drop:
To suit Your reyirement~
Sizes: tr2” to
24”
Pipe
Types: Burner,
End of Line,Inlfw orVmt
J
Wide Range of Custom Engineered Units . . . . .
Types:
Burner, Drum, End of Line, Horizontal, Inline, Insert, Special, Stack,
Transition, Vent, Vertical, Vessel
Sizes:
l ” to 96” Diameter
Il.)
Materials:
Carbon S teel, Stainless Steel,
Incoloy,
Hastelloy
Design PreSSuR?S:
7
PSlG
and Greater
2.)
Pressure Drop:
Inches of Water Column and Greater
3.
Codes: Coast Guard, CSA, DNV, lJL and Others
4.
Testing
: Actual Deflagration, Detonation or Vent Flashback,
I
I
Measurements of Velocity, Temperature, Pressures, Pressure Drop,
Test Arrangments
-
Long Piping Headers (4:
S” 8’:
12’;
18”
24”)
Fittings Tees, Elbows, Branches, Reductions
Gases-- Methane, Ethane, Propane, Ethylene, Propylene, CO, Hydrogen, Others
NOTES:
1.)
2.1
3.)
4.)
5.)
NAO units are usually circular. However, other grid and arrestor configurations are
available upon request.
NAO
housing
can
be
built
to
ASME
or
other
pressure
vessel
codes
with
all
testing
e.g.-- hydrostatic
)
per the specific pressure vessel code requirements.
NAO
will
provide
a
pressure
drop
versus
flow
curve.
NAO has an ongoing program of approvals for our standard units. Approvals on
special units can be obtained as per the clients requirements and at their expense.
NAO
has
an
extensive
combustion
and
flow
testing
lab
110
Acres
)
with
nearly
30
DS D
7/25/2019 DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors
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Typical Standard Units
Mine Flame Arrestor
Sizes -- l/2” to 8”
Connections -- NPT Screwed
lnline Flame Arrestor
Sizes --
l/2”
to 24”
Connections --
150
ANSI Flanges
lnline Flame Arrestor (Spool Type)
Sizes --
1”
to 24”
Connections -- Between Flanges
Flame Arrestor Vapor Burner
Sizes -- l/2” to 8”
Connection -- NPT Screwed
Vent Arrestor
Sizes -- l/2” to 8”
Connection -- NPT Screwed
Vent Arrestor
Sizes --
l/2”
to 24”
Connection --
150
ANSI Flanged
7/25/2019 DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors
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N F A
( NAO Flame Arrestors )
( Provide Positive Protection )
NFA-GE
( NAO Flame Arrestor
-
Grid Element )
pp l ic t ions
Process Units Thermal Oxidizers
Vapor Recovery
l
Wide Range of Sizes
&
Capacities
l Vertical & Horizontal Configurations
l Low Pressure Drop
l Water Spray Nozzles
for Cleaning
81
Cooling
9
Carbon Steel, Stainless Steel & Alloys
l Tested for ~ ~ydroca m /AI? ixtures
l Controls - Monitors or Pressure Drop,
Flame Temperature
NFA-MGE
( NAO Flame Arrestor
-
Multi Grid Element
pp l ic t ions
Process Units Thermal Oxidizers
Vapor Recovery VOC Control
7/25/2019 DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors
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lnline Flame Arrestor ( Removable Grid )
Inlet
/
Outlet Sizes -- 1” to 20”
Grid Sizes -- 6” to 24”
Connections -- Screwed ( 1”
-
6” )
Flanged ( 1
I’-
20” )
lnline Flame Arrestor ( Fixed Grid )
Inlet
/
Outlet Sizes --
1”
to 24”
Grid Sizes -- 6” to 34”
Connections -- Screwed (
1”
-
6” )
Flanged
1
‘I-
20” )
lnline Flame Grid
Grid Sizes -- 6” to 34”
Connections -- Plate Flange
Liquid Type Flame Arrestor ( Seal Drum )
Inlet
/
Outlet Sizes -- 1” to 48”
Drum Sizes -- Vertical 12’ Diameter
Horizontal
10’
Diameter by 40’
Connections -- Flanged
7/25/2019 DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors
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7/25/2019 DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors
http://slidepdf.com/reader/full/ds-dfa-1-fa-1-2-3-detonation-flame-arrestors 6/9
NWS
NAO Data Sheet FA-
( NAO W ater Seals )
(
ProviQe
Positive Flashback Detonation Protection )
NWS
-
IL
( NAO Water Seal
-
Mine
)
Applications in Process Vents
NWS - VO
( NAO Water Seal - Vertical Outlet )
Applications in Flares & Process Vents
Wide Range of Sizes Capacities
Vertical & Horizontal Configurations
Dual
&
Combination Drums
Tested for
Hydrocarbon /Air Mixtures
Hydrogen /Air Mixtures
Hydrocarbon Oxygen Mixtures
Hydrogen Oxygen Mixtures
Carbon S teel, Stainless Steel & Alloys
Water, Glycol, Mineral Oil Sealing Liquid
Controls, Heaters Pumps
NCWSDD
( NAO Combination Water Seal
Disentrainment Drum )
Applications in Flares & Process Vents
7/25/2019 DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors
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[NAO Client Flame Arrestor Questionairel
Date
Telephone
Telex
Fax
Horizontal
Inclined
Special
Transition
1 1
Vertical
.
Sketch of Piping / Arrestor Layout and Orientation
(Attach blank Sheets as needed for sketch of layout I orientation.]
Flanged
Screwed
Between Flanges
Welded 2.
Number Size Pressure Type
Rating
- -
- -
- -
- -
- -
1
6”
150
ANSI FS RF WN Flange
1 2” 3000 FS
Coupling -- NPTF
Spool
Type
Between 6” 150 ANSI Flange
7/25/2019 DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors
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osition:
Amount 3.
Special Characteristics 4.
Attach blank sheets as needed for composition and gas I vapor characteristics.
Notes: (1.)
I::;
(4.)
Transition - Vertical Inlet
/
Horizontal Outlet, Horizontal Inlet / Vertical Outlet
or Horizontal Inlet
/
Outlet Offset.
Provide details of flange or thread type required.
Amount can be provided in any convenient units -- e.g. SCFH, SCFM,
Lb/Hr,
Kg/Hr, SCFD, W eight%, Volume%, or Mole %.
Please provide NAO
wfth
all details on the gases
/
vapors and air to be hand led
-- e.g. flash point, ignition temperature, limits of flammability, plugging, saturated,
corrosion, combustion range.
/ Vapor Flow Rate --
Circle -- ( SCFM, SC FH, SCFD,
NMYHr.,
Lb/Hr, Kg/Hr,
1
/
Vapor Availalbe Pressure Drop --
Circle -- ( “WC, mm WC, PSI,
Kg/cm*,
Bars,
1
/ Vapor Temperature at Maximum Flow --
Circle -- OF,
OC,
OR,
OK
)
/
Vapor Flow Range --
Circle -- ( SCFM , SCFH, SCFD ,
NMYHr.,
Lb/Hr,
Kg/Hr,
1
/
Vapor Operating Temperature Range --
7/25/2019 DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors
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Distance of Flame Arrestor from Possible Ignition Source --
Circle -- ( Feet, Meters )
Preferred Materials for:
Arrestor Grid --
Arrestor Housing --
Connections --
IMPORTANT: Advise NAO,
if possible for continuous burning on the flame arrestor grid: Yes No
Special Comments Remarks:
Options
Thermocouple for Temperature Monitor
Drain Valves - Automatic
Dual Thermocouples for Temperature Monitor
Water Wash Spray for Online Cleaning
Temperature Alarm
Steam Sparger for Online Cleaning
-- Dual Temperature Alarm
Steam Jacket to Prevent Condensation
Temperature Indicator & Alarm
Steam Jacket to Prevent Freezing
Electric Heating to Prevent Condensation
Low Cost Bimetallic Temperature Switch
Dual Bimetallic Temperature Switches
UV Flame Scanner and Relay
Dual UV Flame Scanne rs and Relays
Electric Heating to Prevent Freezing
CO, Flame Snuffing System
Non-Return Check Valve
Automatic Shut-Off Valve -- Pneumatic
Automatic Shut-Off Valve -- Electric
-- Alarm Panel -- Nema 4 ( Weatherproof )
Alarm Panel -- Nema 7 & 4
( Explosionproof & Weatherproof )
Alarm Panel -- Code
Alarm ( Be ll / Horn / Light )
Automatic Shut-Off Valve / Manual Reset
Rupture Disk to Relief Pressure
Relief Valve to Release and Vent Pressure
Piping Skid
Pressure Switch to Monitor Pressure Drop
Dual Flame Arrestor with Manual Switch Over
Electronic Pressure Sensor Remote Monitoring
Dual Flame Arrestors with Auto Switch Over
Pressure Gages
Drain Valves
-
Manual
Installation / Start-Up Service
Ca ll Bo b 0 .
extension 117
f o r
m o r e de t a il s t e chn i c a l i t er a tu r e