Detonation Flame Arrestor

Transcription

ENARDO Flame Arrestors
The Enardo Detonation Flame Arrestor represents the
best value in flame arrestor protection. They prevent flame
propagation by absorbing and dissipating heat using
spiral wound crimped ribbon flame cells. These cells allow
maximum flow with maximum protection. They provide
protection against flame propagation in piping systems
that are manifolded or have long run-up distances.
Enardo utilizes a patented (US Patent No. 5415233)
element assembly that dampens the high velocities and
pressures associated with deflagrations and detonations
while quenching the flame front. Our design is unique in
the ability to provide larger flame channels which requires
less frequent maintenance and greater ease in cleaning
when service is required, translating to less down time.
Our patented element offers maximum flow to pressure
drop characteristics enhancing the value of our product in
any system.
direction that can be traveling at subsonic or supersonic
velocities.
Designed with flanged connections, this Arrestor provides
the option of the removal of the flame cell element for
easy cleaning and replacement without disconnecting of
the pipe connection. Standard housing construction is
carbon steel and stainless steel. The element is available
in 304 S.S and 316 S.S. Special material and protective
coatings are available on request.
They are typically used for extended pipe length or
multiple pipe bend configurations to stop high pressures
and flame velocities associated with detonations and
overdriven detonations. In addition, it stops confined
and unconfined, low and high pressure deflagrations. All
Enardo units are bi-directional and are proven to stop an
ignited flammable vapor mixture approaching from either
U.S. Coast Guard Approved 2" (50mm) - 20" (500mm) IIA
(D) and IIB3 (C) Concentric and Eccentric design.
ATEX (ISO 16852 Certified) 2" (50mm) - 20" (500mm) IIA
and IIB3 Concentric and Eccentric design.
Features and Benefits
• All Enardo Detonation Flame Arrestors are designed
for unstable detonations.
• Removable Element design allows for easy
inspection, cleaning and replacement.
• Fluoropolymer coated hardware provides outstanding
corrosion and chemical resistance.
• Standard temperature probe on EN models.
Enardo’s large crimp opening provide:
■ Maximum flow
■ Less Pressure Drop
■ Easy Cleaning
■ Less Clogging
■ Less Maintenance
■ Bi-directional Design
• Available in ANSI, DIN and JIS flanges.
Flame Arrestor Specifications
Model
Sizes Available
Detonation Flame Arrestor (DFA)
ATEX (ISO 16852 Certified)
U.S. Coast Guard Approved
1/2" (13 mm) through 36" (900 mm)
2" (50 mm) through 20" (500 mm)
2" (50 mm) through 20" (500 mm)
Materials of Construction
Housing
Cell
Gas Group
Carbon Steel
304 SS
316 SS
Hastelloy
304 SS
316 SS
Hastelloy
IIA (D)
IIB3 (C)
IIC (B)
9932 East 58th Street | Tulsa, OK 74146-6411 USA | +1-918-622-6161 | 1-800-336-2736 U.S./Canada
43
Revision A
ATEX Certified Model
see following page for additional ATEX
certified models
EN Model Detonation Flame Arrestor Dimensions
Model
EN DFA 402
EN DFA 602
EN DFA 603
EN DFA 803
EN DFA 804
EN DFA 1204
EN DFA 1206
EN DFA 1606
EN DFA 1608
EN DFA 2008
EN DFA 2010
EN DFA 2410
EN DFA 2412
A
Nominal Conn.
Size In. (mm)
2 (50)
2 (50)
3 (75)
3 (75)
4 (100)
4 (100)
6 (150)
6 (150)
8 (200)
8 (200)
10 (250)
10 (250)
12 (300)
B
Housing
Size In. (mm)
4 (101)
6.6 (168)
6.6 (168)
10 (254)
10 (254)
14 (356)
14 (356)
18 (457)
18 (457)
22 (559)
22 (559)
26 (660)
26 (660)
D
Overall Length In. (mm)
Gas Group IIA
Gas Group IIB3
25.3 (644)
23.3 (593)
29.8 (758)
27.8 (707)
30.3 (771)
28.3 (720)
33.3 (847)
31.3 (796)
33.8 (859)
31.8 (809)
38.8 (986)
36.8 (936)
39.8 (1012)
37.8 (961)
52.8 (1342)
50.8 (1291)
53.8 (1367)
51.8 (1317)
67.2 (1707)
65.2 (1656)
67.2 (1707)
65.2 (1656)
67.8 (1723)
65.8 (1672)
68.8 (1748)
66.8 (1698)
C
Outside Diameter
In. (mm)
7.5 (188)
10 (250)
10 (250)
13.5 (338)
13.5 (338)
19 (475)
19 (475)
23.5 (588)
23.5 (588)
27.5 (688)
27.5 (688)
32 (800)
32 (800)
Approx. Weight
Lb. (Kg)
Group IIA Models
80 (36)
118 (54)
125 (57)
206 (94)
215 (98)
452 (205)
468 (212)
874 (396)
910 (413)
1294 (587)
1320 (599)
1740 (789)
1800 (817)
Dimensions may vary somewhat from those given above. Allow for a tolerance of ± 1.00" (25 mm). Specific dimensions
available on request.
Key to Enardo EN Model Detonation Flame Arrestor (DFA) Model Number
EN
/
DFA
Detonation
Housing
Flame
Size
Arrestor 04 = 4"
(Concentric) through
24 = 24"
DFAE
if
Eccentric
Connection
Size
02 = 2"
through
12 = 12"
—
IEC
Gas Group
IIB3 (C)
IIA (D)
—
Housing
Material
C.Carbon
Steel
4. 304 S.S.
6. 316 S.S.
H.Hastelloy
E.Exotic
Material
Cell
Material
4. 304 S.S.
6. 316 S.S.
H.Hastelloy
E.Exotic
Material
Example:
EN
DFA
1
2
0
6
/
IIA
—
C
4
Connection
Type
F. Flat Faced
Flange
R.Raised Face
Flange
2
Options
1. Drain Plugs
2. Temp. Probe
(Std.)
3.Pressure
Taps
4.Misc.
Fittings
5. Protective Coatings
6. Special Features
R — 1
2
3
Indicates a 6" Concentric Detonation Flame Arrestor with a 12" carbon steel housing, ANSI 150 lb. raised faced flange
connection and a 304 stainless steel IEC Group “IIA” flame cell element. It also has options of drain plugs, pressure taps and
standard temperature probe.
ENARDO | www.enardo.com
44
Revision A
Standard and
ATEX/US Coast Guard
Certified Model *
Standard Model Detonation Flame Arrestor Dimensions
DFA-401
DFA-602
DFA-803
DFA-1004
DFA-1206
DFA-1608
DFA-2010
A
Nominal Conn.
Size In. (mm)
1 (25)
2 (50)
3 (75)
4 (100)
6 (150)
8 (200)
10 (250)
B
Housing
Size In. (mm)
4 (100)
6 (150)
8 (200)
10 (250)
12 (300)
16 (400)
20 (500)
C
Outside Diameter
In. (mm)
9.00 (229)
11.00 (279)
13.50 (343)
16.00 (406)
19.00 (483)
25.50 (648)
30.50 (775)
D
Overall Length
Gas Group B/C
Gas Group D
25.00 (635)
21.00 (533)
28.00 (711)
24.00 (610)
30.00 (762)
26.00 (660)
32.00 (813)
36.00 (914)
51.25 (1302)
62.75 (1594)
Approx. Weight
Lb. (Kg)
Group D Models
90 (40.8)
175 (79.4)
220 (99.8)
400 (181.4)
500 (226.8)
1360 (616.9)
1945 (882.2)
DFA-2412
12 (300)
24 (600)
36.00 (914)
64.50 (1638)
3000 (1360.8)
DFA-2814
14 (350)
28 (700)
40.75 (1035)
70.00 (1778)
3400 (1542.2)
DFA-3016
16 (400)
30 (750)
43.00 (1092)
79.00 (2007)
3800 (1723.7)
Model
DFA-3418
18 (450)
34 (850)
47.50 (1207)
89.00 (2261)
4800 (2177.2)
DFA-3620
20 (500)
36 (900)
50.00 (1270)
89.00 (2261)
5600 (2540.1)
DFA-4824
24 (600
48 (1200)
59.50 (1511)
101.00 (2565)
8700 (3946.3)
Dimensions may vary somewhat from those given above. Allow for a tolerance of ± 1.00" (25 mm). Specific dimensions
available on request.
*Not all models are available with USCG and ATEX certifications. Consult Flame Arrestor Certifications Chart for more information.
Key to Enardo USCG/Standard Model Detonation Flame Arrestor (DFA) Model Number
/
DFA
Detonation
Housing
Flame
Size
Arrestor 04 = 4"
(Concentric) through
72 = 72"
DFAE
if
Eccentric
Connection
Size
01 = 1"
through
36 = 36"
—
NEC
Gas Group
B. Group “B”
(IIC)
C.Group “C”
(IIB3)
D.Group “D”
(IIA)
—
Housing
Material
C.Carbon
Steel
4. 304 S.S.
6. 316 S.S.
H.Hastelloy
Cell
Material
4. 304 S.S.
6. 316 S.S.
H.Hastelloy
Connection
Type
F. Flat Faced
Flange
R.Raised Face
Flange
Example:
DFA
1
2
0
6
/
D
—
C
4
Options
1. Drain Plugs
2. Temp. Probe
Taps
3.Pressure
Taps
4.Misc.Fittings
5. Protective Coatings
6. Special Features
R — 1
2
3
Indicates a 6" Concentric Detonation Flame Arrestor with a 12" carbon steel housing, ANSI 150 lb. raised faced flange
connection and a 304 stainless steel NEC Group “D” flame cell element. It also has options of drain plugs, pressure taps and
temperature probe connections.
45
Revision A
Standard Flame Arrestor Selection Criteria
including US Coast Guard and ATEX/US Coast Guard certified detonation arrestors
Parameters
End-of-Line
F VFA & VSFA
In-Line (Standard)
S7, HP & IL
In-Line HP Deflag.
S8
Detonation Arrestor
DFA
NEC GROUP "D" OR IEC GROUP IIA GASES
Maximum length of pipe between the
arrestor and the ignition source without
bends.
(Mounted on end of pipe)
20 feet
(6 meters)
60 feet
(18 meters)
Unlimited
arrestor and ignition source with 1-90°
bend.
20 feet
(6 meters)
60 feet
(18 meters)
Unlimited
arrestor and the ignition source with
multiple bends.
Not Recommended
with Multiple Bends
Not Recommended
with Multiple Bends
Unlimited
Flame Stabilization at stoichiometric
mixture and ambient temperature not
to exceed 140° F (60° C).*
5 minutes
5 minutes
30 minutes (Factory
Mutual Approved units)
15 minutes
2 hours
(concentric only)
Atmospheric
15.4 psia
(106 kPa)
19.7 psia
(134 kPa)
Conc. 3"-12" (22.7 psia)
(50-300 mm) 157 kPa
Conc. 2", 14"-20" (20.7 Psia)
(350-500 mm) 143 kPa
Operating Pressure
NEC GROUP "C" OR IEC GROUP IIB3 GASES
bends.
6 feet
(2 meters)
(open ended pipe)
35 feet
(10.6 meters)
Unlimited
bend.
6 feet
(2 meters)
(open ended pipe)
35 feet
(10.6 meters)
Unlimited
multiple bends.
Not Recommended
with Multiple Bends
Not Recommended
with Multiple Bends
Unlimited
to exceed 140° F (60° C).*
5 minutes (minimum)
5 minutes (minimum)
15 minutes
15 minutes
Atmospheric
15.4 psia
(106 kPa)
16.7 psia
(115 kPa)
Conc. 2"-20" (20.7 psia)
(50 mm-500 mm) 143 kPa
Ecc. 3"-20" (18.7 psia)
(75-500 mm) 129 kPa
Operating Pressure
NEC GROUP "B" OR IEC GROUP IIC GASES (EXCEPT ACETYLENE)
bends.
4 feet
(1.2 meters)
(open ended pipe)
15 feet
(4.5 meters)
Unlimited
bend.
Not Recommended
with a Bend
15 feet
(4.5 meters)
Unlimited
multiple bends.
Not Recommended
with Multiple Bends
Not Recommended
with Multiple Bends
Unlimited
to exceed 140° F (60° C).*
2 minutes
2 minutes
15 minutes
15 minutes
Atmospheric
15.4 psia
(106 kPa)
16.7 psia
(115 kPa)
Conc. 2"-6" (17.7 psia)
(50 mm-150 mm) 122 kPa
Operating Pressure
*Unlimited burning should not be allowed in any flame arrestor regardless of its burn time rating. We recommend the use of flame sensors,
along with an appropriate means of extinguishing the fire, in any situation where a stabilized burn may occur.
46
Revision A
ATEX Certified Flame Arrestor Selection Criteria
-see previous page for information on ATEX/US Coast Guard detonation arrestor selection criteria
Parameters
End-of-Line
F VFA
In-Line (Standard)
S7, HP & IL
Detonation
Arrestor DFA
IEC GROUP IIA GASES OR NEC GROUP "D"
arrestor and the ignition source.
to exceed 140° F (60° C).
2" (50 mm) – 6.5 ft (2 m)
3" (75 mm)– 7.5 ft (2.3 m)
4" (100 mm) – 10 ft (3 m)
6" (150 mm) – 13.1 ft (4 m)
8" (200 mm) – 13.3 ft (4 m)
10" (250 mm) – 16.6 ft (5 m)
12" (300 mm) – 19.7 ft (6 m)
Short Time Burn
Rating
Short Time Burn
Rating
Short Time Burn
Rating
Atmospheric
15.95 psia
(110 kPa)
2"-6" 17.7 psia
(50 mm-150 mm 122 kPa)
8 - 12" 16.9 psia
(200 mm – 300 mm 116.5 kPa)
2"-12"
(50mm-300mm)
Unrestricted
(Designed for
Unstable Detonations)
Operating Pressure
IEC GROUP IIB3 GASES OR NEC GROUP "C"
arrestor and the ignition source.
2" (50 mm) – 8.3 ft (2.5 m)
3" (75 mm)– 12.5 ft (3.8 m)
4" (100 mm) – 16.6 ft (5 m)
6" (150 mm) – 25 ft (7.6 m)
8" (200 mm) – 33.3 ft (10.16 m)
10" (250 mm) – 39.3 ft (12 m)
12" (300 mm) – 39.4 ft (12 m)
to exceed 140° F (60° C).
2"-12"
(50mm-300mm)
Unrestricted
(Designed for
Unstable Detonations)
Short Time Burn
Rating
Short Time Burn
Rating
Short Time Burn
Rating
Atmospheric
15.95 psia
(110 kPa)
17.2 psia
(118.3 kPa)
Operating Pressure
47
Revision A
Flame Arrestor Certifications
Available Approvals for Deflagration Flame Arrestors*
Series 7 Deflagration Arrestors
Model
70402
70602
70603
70803
70804
71204
71206
71606
71608
72008
72010
72410
72412
Group IIA (D)
ATEX
ISO 16852
FACTORY MUTUAL
X
X
X
X
X
X
X
X
X
X
X
X
X
Group IIB3(C)
ATEX
ISO 16852
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Available Approvals for Free Vent Flame Arrestors*
Free Vent Flame Arrestor (F VFA)
Group IIA (D)
Group IIB3 (C)
Model
ATEX
ATEX
ISO 16852
ISO 16852
402
602
603
803
804
1204
1206
1606
1608
2008
2010
2410
2412
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
* Applicable approvals must be specified prior to manufacture and will be indicated on the product nameplate.
48
Revision A
Flame Arrestor Certifications
Available Approvals for Detonation Arrestors (1)
Detonation Flame Arrestor - Group D (IIA)
ATEX
Model
Type of Detonation
w/Short Time Burn Rating
DFA 402
DFA 602
DFA 603
DFA 803
DFA 804
DFA 1004
DFA 1204
DFA 1206
DFA 1608
DFA 2010
DFA 2412
DFA 2814
DFA 3016
DFA 3418
DFA 3620
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
U.S. Coast Guard and
ATEX/U.S. Coast Guard
w/Endurance Burn Rating (2)
X
X
X
X
X
X
X
X
X
X
X (3)
X
X
X
X
X
X
X
X
X
X
X
Detonation Flame Arrestor – Group C (IIB3)
ATEX
Model
Type of Detonation
DFA 402
DFA 602
DFA 603
DFA 803
DFA 804
DFA 1004
DFA 1204
DFA 1206
DFA 1608
DFA 2010
DFA 2412
DFA 2814
DFA 3016
DFA 3418
DFA 3620
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
UNSTABLE
U.S. Coast Guard and
ATEX/U.S. Coast Guard
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
(1) Applicable approvals must be specified prior to manufacture and will be indicated on the product nameplate.
(2) Endurance burn rating applicable only to concentric configuration.
(3) Short-time burn rating only for both concentric and eccentric configurations of this model.
49
Revision A
Flame Arrestor Design and Application Data Sheet
Customer
Contact
Address
Date
Telephone
Fax
Email
Project Reference
Application Data
Flow Rate (Normal / Max)
/
Temperature (Normal/Max)
/
Pressure (Normal/Max)
/
Gas/Vapor Composition
(See next page for additional space)
NEC Gas Group
IEC Gas Group
MESG
mm
(If Gas Group is unknown please provide gas stream composition on next page)
Maximum Allowable Pressure Drop
Distance To Be Installed from Potential Ignition Source
Any Bends?
How many?
Is Continuous Burning Possible on the FA Element? ■ Yes ■ No
Design Data
■ End of Line Flame Arrestor (Free Vent) ■ Inline Deflagration Flame Arrestor
■ High Pressure Deflagration Flame Arrestor
■ Detonation Flame Arrestor*
Installation: Horizontal
Vertical
Pipe Size:
Flange Pressure Rating: ■
■
■
■
Materials:
Housing & Element Housing
Options:
■ Drain Plug
■ Temperature Probe Fitting
■ Pressure Tap
■ Coating/ Special Paint
■ Other Options
Other
ANSI 150# R.F. (standard)
DIN
JIS
Other
Flame Cell
(3/4" NPT standard)
(3/4" NPT standard)
(3/4" NPT standard)
Additional Information:
*Note: All Enardo Detonation Arrestors are designed for unstable detonation and can be placed at any point in the system.
50
Revision A
Flame Arrestor Design and Application Data Sheet
Component
(i.e. methane, ethane, etc.)
Molecular Weight
Amount
(i.e. lbs., kg, etc.)
Total Vapor Make-up
Flame Arrestor Description (To be completed by Enardo)
Model Number:
Description:
Job Number:
Comments:
Type of Unit: Date Started: P.O. Number: 9932 East 58th Street | Tulsa, OK 74146-6411 USA | +1-918-622-6161 | 1-800-336-2736 U.S./Canada
51
Revision A
Percent (Vol.)
Notes
52
Revision A

Detonation Flame Arrestor

Transcription

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