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PART NUMBER

MODEL

Standard Gasket  

(Compressed Fiber)

High Temperature Gasket

(Graphite Coated 316 Stainless steel)

EN-FVFA-0401, EN-FVFA-0401.5 and EN-FVFA-0402

7008153

7049253

EN-FVFA-0603

7008134

7049234

EN-FVFA-0802, EN-FVFA-0803 and EN-FVFA-0804

7008123

7049223

EN-FVFA-1206

7008136

7049236

EN-FVFA-1608

7008107

7049207

EN-FVFA-2010

7008109

7049209

EN-FVFA-2412

7008111

7049211

1. Two required per assembly

Table 8.

 Replacement Element Assembly Gaskets

(1)

 

Parts List

PART NUMBER

Housing

Carbon Steel

304 Stainless Steel

Carbon Steel

316 Stainless Steel

Flame Cells

304 Stainless Steel

304 Stainless Steel

316 Stainless Steel

316 Stainless Steel

Models EN-FVFA-0401, EN-FVFA-0401.5 and EN-FVFA-0402

7134101

7134301

7134201

7134401

Model EN-FVFA-0603

7134102

7134302

7134202

7134402

Models EN-FVFA-0802, EN-FVFA-0803 and EN-FVFA-0804

7134103

7134303

7134203

7134403

Model EN-FVFA-1206

7134105

7134305

7134205

7134405

Model EN-FVFA-1608

7131107

7133707

7133607

7133807

Model EN-FVFA-2010

7131109

7133709

7133609

7133809

Model EN-FVFA-2412

7131111

7133711

7133611

7133811

Table 9.

 Replacement Element Assembly Part Numbers (Group IIA Models) 

Table 10.

 Replacement Element Assembly Part Numbers (Group IIB3 Models)

PART NUMBER

Housing

Carbon Steel

304L Stainless Steel

Carbon Steel

316L Stainless Steel

Flame Cells

304 Stainless Steel

304 Stainless Steel

316 Stainless Steel

316 Stainless Steel

Models EN-FVFA-0401, EN-FVFA-0401.5 and EN-FVFA-0402

7131101

7133701

7133601

7133801

Model EN-FVFA-0603

7128802

7131502

7130902

7131602

Models EN-FVFA-0802, EN-FVFA-0803 and EN-FVFA-0804

7128803

7131503

7130903

7131603

Model EN-FVFA-1206

7128805

7131505

7130905

7131605

Model EN-FVFA-1608

7128807

7131507

7130907

7131607

Model EN-FVFA-2010

7128809

7131509

7130909

7131609

Model EN-FVFA-2412

7128811

7131511

7130911

7131611

Free Vent Flame Arrestor

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D103771X012 © 2014, 2017 Emerson Process Management Regulator 

Technologies, Inc. All rights reserved. 09/17.  

The Emerson logo is a trademark and service mark of Emerson  

Electric Co. All other marks are the property of their prospective owners. 

Enardo™ is a mark owned by Regulator Technologies Tulsa, LLC, a 

business of Emerson Automation Solutions.
The contents of this publication are presented for informational purposes 

only, and while every effort has been made to ensure their accuracy, 

they are not to be construed as warranties or guarantees, express or 

implied, regarding the products or services described herein or their use 

or applicability. We reserve the right to modify or improve the designs or 

specifications of such products at any time without notice.

Emerson Process Management Regulator Technologies  

Tulsa, LLC does not assume responsibility for the selection, use or 

maintenance of any product. Responsibility for proper selection, use 

and maintenance of any Emerson Process Management Regulator 

Technologies Tulsa, LLC product remains solely with the purchaser.

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Only

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Regulator Technologies

Americas

 

McKinney, Texas 75070 USA 

T   +1 800 558 5853 

+1 972 548 3574

Tulsa, OK 74146 USA 

T  +1 918 662 6161

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T  +971 4 811 8100

Summary of Contents for Enardo EN Series

Page 1: ...formed by unqualified person may result in improper adjustment and unsafe operation Either condition may result in equipment damage or personal injury Only a qualified person must install or service the flame arrestor Introduction Scope of the Manual This Instruction Manual provides instructions for installation startup maintenance and parts ordering information for the Enardo Free Vent Flame Arre...

Page 2: ...telloy EN Number European Standard EN ISO 16852 1 The pressure temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded Figure 2 Free Vent Flame Arrestor Available Constructions and Model Numbering System EN FVFA Housing Size Connection Size IEC Gas Group Housing Material Element Material Connection Type Options 04 4 inches through 24 24 i...

Page 3: ...r remove these devices All Enardo EN FVFA Series flame arrestors are rated for short time burning with a temperature sensor in place If no temperature sensor is installed this product is not suitable for short time burning Installation WARNING Verify that the flame arrestor being installed has the appropriate gas group rating for your process This information is shown on the nameplate attached to ...

Page 4: ... Table For best results hardened steel washers should be used on all cast flange bolted connections NOMINAL PIPE DIAMETER NUMBER OF BOLTS BOLT DIAMETER TORQUE In mm Ft lbs N m 1 4 0 50 12 70 14 18 98 1 1 4 4 0 50 12 70 16 21 69 1 1 2 4 0 50 12 70 18 24 41 2 4 0 63 16 00 32 43 39 2 1 2 4 0 63 16 00 43 58 30 3 4 0 63 16 00 47 63 72 3 1 2 8 0 63 16 00 26 35 25 4 8 0 63 16 00 32 43 39 6 8 0 75 19 05 4...

Page 5: ...ice could damage the elements and seriously impair the arrestor s performance If the arrestor element cannot be cleaned satisfactorily it must be replaced 4 If the flame arrestor sustained a burning event thoroughly inspect the element for any sign of damage Replace the element assembly if distorted crimps are visible particularly near the outer periphery of the flame element Replace gaskets if an...

Page 6: ...ug 25 34 50 68 75 102 100 135 EN FVFA 2412 4 Snug 35 47 70 95 100 135 130 176 EN FVFA 3014 and EN FVFA 3016 5 Snug 35 47 70 95 100 135 130 176 1 Using machine oil as lubricant See Bolt Lubrication section below and torque correction factors for other lubricants in Table 7 2 See Figure 5 Table 6 Tightening Steps and Torque Values 1 Figure 5 Flange Pattern Tightening Sequence 1 5 9 8 4 3 7 2 6 13 17...

Page 7: ...mber stamped on the nameplate When ordering replacement parts specify the complete 7 character part number of each required part as found in the following parts list DESCRIPTION COEFFICIENT OF FRICTION MULTIPLY TORQUE VALUE IN TABLE 6 BY Machine Oil f 0 15 1 00 API SA2 Grease f 0 12 0 80 Never Seez Ni base f 0 11 0 73 Never Seez Cu base f 0 10 0 67 Molykote G n Paste f 0 06 0 40 Table 7 Torque Cor...

Page 8: ...603 Model EN FVFA 1206 7128805 7131505 7130905 7131605 Model EN FVFA 1608 7128807 7131507 7130907 7131607 Model EN FVFA 2010 7128809 7131509 7130909 7131609 Model EN FVFA 2412 7128811 7131511 7130911 7131611 Free Vent Flame Arrestor Facebook com EmersonAutomationSolutions LinkedIn com company emerson automation solutions Twitter com emr_automation Webadmin Regulators emerson com Enardo com D103771...

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