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Certifications and Approvals

ISO 9001 Registered Firm

DNV Certification, Inc.
Certificate No. CERT-08920-2003-AQ-HOU-RAB

ENARDO employees are proud to have earned the Quality System Certification in the design and manufacture of safety and environmental vapor control products, which include flame detonation arrestors, pressure vacuum valves and tank venting equipment.

Flame Arrestor Certifications (Down to Valve and Emergency Certifications)

Available Approvals for Deflagration Flame Arrestors*

Series 7 Group D (IIA) Deflagration Arrestors
Model	Group IIA (D)		Group IIB3(C)
Model	ATEX EN 12874	Factory Mutual	ATEX EN 12874
70402	X	X	X
70602	X		X
70603	X	X	X
70803	X		X
70804	X	X	X
71204	X		X
71206	X	X	X
71606	X		X
71608	X	X	X
72008	X		X
72010	X	X	X
72410	X		X
72412	X	X	X

Available Approvals for Free Vent Flame Arrestors*

Free Vent Flame Arrestor (FVFA)
Model	Group IIA (D)	Group IIB3(C)
Model	ATEX EN 12874	ATEX EN 12874
402	X	X
602	X	X
603	X	X
803	X	X
804	X	X
1204	X	X
1206	X	X
1606	X	X
1608	X	X
2008	X	X
2010	X	X
2410	X	X
2412	X	X

Available Approvals for Detonation Arrestors*

Detonation Flame Arrestor - Group D (IIA)
Model	Type of Detonation	ATEX w/Short Time Burn Rating	U.S. Coast Guard and ATEX/U.S. Coast Guard w/ Endurance Burn Rating**
DFA 402	UNSTABLE	X
DFA 602	UNSTABLE	X	X
DFA 603	UNSTABLE	X
DFA 803	UNSTABLE	X	X
DFA 804	UNSTABLE	X
DFA 1004	UNSTABLE		X
DFA 1204	UNSTABLE	X	X
DFA 1206	UNSTABLE	X	X
DFA 1608	UNSTABLE	X	X
DFA 2010	UNSTABLE	X	X
DFA 2412	UNSTABLE	X	X
DFA 2814	UNSTABLE		X
DFA 3016	UNSTABLE		X
DFA 3418	UNSTABLE		X
DFA 3620	UNSTABLE		X

Detonation Flame Arrestor - Group C (IIB3)
Model	Type of Detonation	ATEX w/Short Time Burn Rating	U.S. Coast Guard and ATEX/U.S. Coast Guard w/ Short Time Burn Rating
DFA 402	UNSTABLE	X
DFA 602	UNSTABLE	X	X
DFA 603	UNSTABLE	X
DFA 803	UNSTABLE	X	X
DFA 804	UNSTABLE	X
DFA 1004	UNSTABLE		X
DFA 1204	UNSTABLE	X	X
DFA 1206	UNSTABLE	X	X
DFA 1608	UNSTABLE	X	X
DFA 2010	UNSTABLE	X	X
DFA 2412	UNSTABLE	X	X
DFA 2814	UNSTABLE		X
DFA 3016	UNSTABLE		X
DFA 3418	UNSTABLE		X
DFA 3620	UNSTABLE		X

*Applicable approvals must be specified prior to manufacture and will be indicated on the product nameplate.
**Endurance burn rating applicable only to concentric configuration.

Pressure/Vacuum Relief Valve Certifications

ATEX EN 13463-1:2001, EN 13463-5:2003

Outer Housing
Model	Coated Aluminum Carbon Steel Stainless Steel Ductile Iron	Uncoated Aluminum
450	Category 1	Category 2
550	Category 1	Category 2
850	Category 1	Category 2
851	Category 1	Category 2
950	Category 1	Category 2
951	Category 1	Category 2
952	Category 1	Category 2
953	Category 1	Category 2
860	Category 1	Category 2
960	Category 1	Category 2
850 MVC	Category 1	Category 2
952 MVC	Category 1	Category 2

Emergency Pressure Relief Valve Certifications

ATEX EN 13463-1:2001, EN 13463-5:2003

Outer Housing
Model	Coated Aluminum Carbon Steel Stainless Steel Ductile Iron	Uncoated Aluminum
2000	Category 1	Category 2
2500	Category 1	Category 2