University of Southern California

Foundation for Cross-Connection Control and Hydraulic Research

Certificate of dpproval 'lhis is to certify that the

manufactured hy

ARI Flow Control Accessories Kibbutz Kjar Charuv 12932 ISREAL

ARI 0.75-inch Model DC 501 Orientation: H

Double Check Valve (DC) Backflow Prevention Assembly

has satisfactorily met all design and material specifications as well as all laboratory and field evaluation requirements set forth in the 10th Edition of the Manual of Cross-Connection Control.

This certificate is hereby granted for a period of three (3) years from the approval date below. This certificate may be renewed subject to a review of records and/ or additional evaluation requirements at the discretion of the USC Foundation for additional three-year periods. Certificates of Approval are not recalled for the purpose of updating the effective date. The revision of date is only published on the USC List of Approved Backflow Prevention Assemblies. Additional information about this backflow prevention assembly is found on the current USC List of Approved Backflow Prevention Assemblies published on the USC Foundation website (fccchr.usc.edu). Approved orientations, acceptable shutoff valves and status of lead-free compliance are shown on the list of approved assemblies.

Approval Date: 3/20/2017 Certificate No. C2017-31

For the Foundation,

P ul H. Schwartz, P.E. Chief Engineer

Univuaity of Southern Callfomia Rcaean:b .Anm:z 219, 3716 South Hope Street, Loa Angeles, CA 90089-7700 • Tel: 866 54S 6340 • Fa 213 740 8399 • fcx:du@uac.edu • �uac.cdu

University of Southern California

Foundation for Cross-Conriection Control and Hydraulic Research

Certificate of J2£pproval 7his is to certify that the

manufactured by

ARI Flow Control Accessories Kibbutz Kjar Clw:ruv 12932/SREAL

ARI 1-inch Model DC 501 Orientation: H

Double Check Valve (DC) Backflow Prevention Assembly

has satisfactorily met all design and material specifications as well as all laboratory and field evaluation requirements set forth in the 10th Edition of the Manual of Cross-Connection Control.

This certificate is hereby granted for a period of three (3) years from the approval date below. This certificate may be renewed subject to a review of records and/ or additional evaluation requirements at the discretion of the USC Foundation for additional three-year periods. Certificates of Approval are not recalled for the purpose of updating the effective date. The revision of date is only published on the USC List of Approved Backflow Prevention Assemblies. Additional information about this backflow prevention assembly is found on the current USC List of Approved Backflow Prevention Assemblies published on the USC Foundation website (fccchr .usc.edu). Approved orientations, acceptable shutoff valves and status of lead-free compliance are shown on the list of approved assemblies.

Approval Date: 3/20/2017 Certificate No. C2017-32

For the Foundation,

Paul H. Schwartz, P. Chief Engineer

University of Southern Califomiil Researcli Annex 219, 3716 South Hope Street, Los Angclcs, CA 90089-7700 • Tel: 866 545 6340 • Fax 213 740 8399 • fi:a:lu@usc.edu • fa:chr.UBC.cdu

University of Southern California

Foundation for Cross-Connection Control and Hydraulic Research

c'ertijicate of djproval '/his is to certifj that the

manufactured by

ARI 1.25-inch Model DC

501 Orientation: H

Double Check Valve (DC) Backflow Prevention Assembly

ARI Flow Control Accessories Kibbutz Kjar Cha1"1.1.v 12932 ISREAL

has satisfactorily met all design and material specifications as well as all laboratory and field evaluation requirements set forth in the 10th Edition of the Manual of Cross-Connection Control.

This certificate is hereby granted for a period of three (3) years from the approval date below. This certificate may be renewed subject to a review of records and/or additional evaluation requirements at the discretion of the USC Foundation for additional three-year periods. Certificates of Approval are not recalled for the purpose of updating the effective date. The revision of date is only published on the USC List of Approved Backflow Prevention Assemblies. Additional information about this backflow prevention assembly is found on the current USC List of Approved Backflow Prevention Assemblies published on the USC Foundation website (fccchr.usc.edu). Approved orientations, acceptable shutoff valves and status oflead-free compliance are shown on the list of approved assemblies.

Approval Date: 3/20/2017 Certificate No. C2017-33

HenryW. Chang Mechanical Engineer Program Mamiaet.._ __

University of Southern California Rcaearch Annex 219, 3716 South Hope Smet, Los .Al!gcles, CA 90089-7700 • Tel: 866 54S 6340 • Fa: 213 740 8399 • fi:a:hriPuac:.edu • fccchr.UBC.i:du

University of Southern California

Foundation for Cross-Connection Control and Hydraulic Research

c'ertijicate of djproval '/his is to certifj that the

manufactured by

ARI Flow Control Accessories Kibbutz Kjar Cha1"1.1.v 12932 ISREAL

ARI 1.5-inch Model DC 501 Orientation: H

Double Check Valve (DC) Backflow Prevention Assembly

has satisfactorily met all design and material specifications as well as all laboratory and field evaluation requirements set forth in the 10th Edition of the Manual of Cross-Connection Control.

This certificate is hereby granted for a period of three (3) years from the approval date below. This certificate may be renewed subject to a review of records and/or additional evaluation requirements at the discretion of the USC Foundation for additional three-year periods. Certificates of Approval are not recalled for the purpose of updating the effective date. The revision of date is only published on the USC List of Approved Backflow Prevention Assemblies. Additional information about this backflow prevention assembly is found on the current USC List of Approved Backflow Prevention Assemblies published on the USC Foundation website (fccchr.usc.edu). Approved orientations, acceptable shutoff valves and status oflead-free compliance are shown on the list of approved assemblies.

Approval Date: 3/20/2017 Certificate No. C2017-33

HenryW. Chang Mechanical Engineer Program Mamiaet.._ __

University of Southern California Rcaearch Annex 219, 3716 South Hope Smet, Los .Al!gcles, CA 90089-7700 • Tel: 866 54S 6340 • Fa: 213 740 8399 • fi:a:hriPuac:.edu • fccchr.UBC.i:du

University of Southern California

Foundation for Cross-Connection Control and Hydraulic Research

Certificate of J2fj,proval 'Ibis is to certifj that the

manufactured hy

ARI Flow Control Accessories Kibbutz Kfar Charuv 12932 ISREAL

ARI 1.25-inch Model RP 501 Orientation: H

Reduced Pressure Principle (RP) Backflow Prevention Assembly

has satisfactorily met all design and material specifications as well as all laboratory and field evaluation requirements set forth in the 10th Edition of the Manual of Cross-Connection Control.

This certificate is hereby granted for a period of three (3) years from the approval date below. This certificate may be renewed subject to a review of records and/or additional evaluation requirements at the discretion of the USC Foundation for additional three-year periods. Certificates of Approval are not recalled for the purpose of updating the effective date. The revision of date is only published on the USC List of Approved Backflow Prevention Assemblies. Additional information about tliis backflow prevention assembly is found on the current USC List of Approved Backflow Prevention Assemblies published on the USC Foundation website (fccchr.usc.edu). Approved orientations, acceptable shutoff valves and status oflead-free compliance are shown on the list of approved assemblies.

Approval Date: 3/20/2017 Certificate No. C2017-37

HenryW.Ch Mechanical Engineer Program Manager

Paul H. S chwartz, P.E. Chief Engineer

Unm:raity of Southern California Rcaearch Anna 219, 3716 South Hope Street. Loa Angela, CA 90089-7700 • Tel: 866 545 6340 • Fax 213 740 8399 • fccchr@uac.edu • fcccbr.uac.edu