Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on October 22, 2002.
As of Wednesday, November 27th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

ModelsModification
1991-2002 model-year 4-stroke heavy-duty diesel and diesel/natural gas bi-fuel engines with horsepower ratings less than 600. This exemption excludes any engines equipped with an oxidation catalyst, diesel particulate filter, or an exhaust gas recirculation system.The system includes a urea injection system, an SCR catalyst, and control sensors.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-547
  • Executive Order 547 / D547
  • ARB # D-547
  • Executive Order No: D-547
  • C.A.R.B. No. D-547
  • Resolution D-547
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-547 PDF

D-547 Document:

CARB_D-547

State of California AIR RESOURCES BOARD EXECUTIVE ORDER D—547 Relating to Exemptions under Section 271586 of the Vehicle Code Haldor Topsge AJS Urea Selective Catalytic Reduction System Pursuant to the authority vested in the Air Resources Board (ARB) by Sectlon 27156 of the Vehicle Code; and Pursuant to the authority vested inthe undersigned by Sections 39515 and 39516 of the Health and Safety Code and Executive Order G—02—003; IT IS ORDERED AND RESOLVED: That installation of the Urea Selective Catalytic Reduction (SCR) System, manufactured by Haldor Topsge A/S of Nymallevej 55, DK—2800, Lyngby, Denmark, has been found not to reduce the effectiveness of the applicable engine emission control system, andtherefore, the Urea SCR System is exempt from the prohibitions in Section 27156 of the Vehicle Code for installation on 1991—2002 model-year 4—stroke heavy—duty diesel and diesel/natural gas bi—fuel engines (< 600 hp) used in on—road vehicles. This, exemption excludes any engines equipped with an oxidation catalyst, diesel particulate filter, or an exhaust gas recirculation system. The Urea SCR System consists of a urea injection system, an SCR catalyst, and control sensors. The injection system includes a combined dosing pump and electronic control unit, valve manifold, urea/air atomizer, and a urea storage tank. The sensors includs a NOx sensor, mass air flow sensor, and two temperature sensors. ‘The system components exempted under this Executive Order are identified in Attachment A. This exemption is based on emission tests conducted by Haldor Topsge A/S with the Urea SCR System. Test data showed that the Urea SCR System has no adverse impact on engine emissions. This Executive Order is valid provided that installation instructions for the Urea SCR System do not recommend tur)ing the engines to specifications different from those of the engine manufacturer. Changes made to the design or operating conditions.of the Urea SCR System as exempted by the ARB, which adversely affect the performance of the engine‘s pollution control system, shall invalidate this Executive Order. Marketing of the Urea SCR System using identification other than that shown in this Executive Order or for an application other than that listed in this Executive Order shall be prohibited unless prior approval is obtained from the ARB.

«3. This Executive Order shall not apply to any Urea SCR System advertised, offered for sale, sold with, or installed on any diesel engine prior to or concurrent with transfer to an ultimate purchaser. This Executive Order does not constitute any opinion as to the effect the use of the Urea SCR System may have on any warranty either expressed or implied by the engine manufacturer. No claim of any kind, such as "Approved by the Air Resources Board," may be made with respect to the action taken herein in any advertising or other oral or written communication. In addition to the foregoing, the ARB reserves the right in the future to review this Executive Order and the exemption provided herein to assure that the exempted add—on or modified part continues to meet the standards and procedures of Calffornia Code of Regulations, Title 13, Section 2222, et seq. THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICATION, ACCREDITATION, APPROVAL, OR ANY OTHER TYPE OF ENDORSEMENT BY THE AIR RESOURCES BOARD OF ANY CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BENEFITS OR ANY ALLEGED BENEFITS OF HALDOR TOPSOE A/S‘ UREA SELECTIVE CATALYTIC REDUCTION SYSTEM. Violation of any of the above conditions shall be grounds for revocation of this Executive Ordér. The Executive Order may be revoked only after a ten—day written notice of intention to revoke the Executive Order, in which period the holder of the Executive Order may request in writing a hearing to contest the proposed revocation. If a hearing — is requested, it shall be held within ten days of receipt of the request, and the Executive Order. may not be revoked until a determination is made after a hearing that grounds for revocation exist. Executed at El Monte, California, this 'ZZ'"P day of October 2002. MoBile Source Operations Division HALDOR TOPSO@E A/S UREA SELECTIVE CATALYTIC REDUCTION SYSTEM — D—547

Attachment A suppher| Dosing Pump Grundfos/Haldor Topsge ais Fitting for dosing pump PMO90612E GPA plast Electronic Control Unit ME.SPE Mece! Valve—Unit 12VDC or 24VDC BU.SPE BUurkert Fittings for Valve—Unit PMO10611E€ & PMO10612E GPA plast Check Valve, 40 Kpa ~ LHC855UR00040S Parameter PA—Hose, OD 6x4mm PAOEO4S GPA plast PFA—Hose, OD 6x4mm 4800—4600400100 Duotec A/S Boxa:‘cg gj\?g&cggxgygbggxljc HToO2 Haldor Topsge A/S . NOx Sensor NGK.SPE NGK valve—untandNOseContredier AKS.SPE AKS Metalindustri A/S > Urea Tank _ HTOO3 Haldor Topsge A/S SCR Catalyst: Type DNXR 905 N/A Haldor Topsge A/S Level Sensor for Urea Tank GF.SPE Grundfoé PressureReduction Vaive 821302088 HN—Colsult A/S Fitting for Air Supply $S—400—7—4RT Dansk Ventil og Fitting Aps . Nozzle for Urea Dosing AKS.SPE AKS Metalindustri A/S Insulating Tube for Nozzle AKS.SPE AKS Metalindustri A/S wau;‘rt;‘r',gg 5 Nee As 25 s71 Sanistdl A/S Mass Flow Controller (MAF) 7.22684.07.0 Kolbenschmidt Pierburg Connector for MAF N/A Mercedes Temperature Sensor PT200 (2) MW—TYP GP2121 ~250mm Kjizerulf Pedersen A/S Fitting for Temperature Sensor SS—600—6—1 Dansk Ventil og Fitting Aps Main Power Switch and Fuses N/A N/A Harting Connectors N/A Wexge AS AMP—Connectors for Sensors N/A Farnell Danmark A/S Connecting Cables N/A N/A HALDOR TOPSOE A/S UREA SELECTIVE CATALYTIC REDUCTION SYSTEM — D—547


Document Created: 2005-09-01 12:45:50
Document Modified: 2005-09-01 12:45:50

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