DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors

7/25/2019 DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors

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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



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


Connection -- NPT Screwed

Vent Arrestor


Connection -- NPT Screwed

Vent Arrestor

Sizes --

l/2”

to 24”

Connection --

150

ANSI Flanged



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



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”


Connections -- Screwed (

1”

-

6” )

Flanged

1

‘I-

20” )

lnline Flame Grid


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





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



[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



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 --



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

Documents

DS DFA-1, FA-1, 2 & 3 Detonation & Flame Arrestors