Search results with tag "Backflow assembly"
Public Utilties Handbook - 2014 Edition
cityofraleigh0drupal.blob.core.usgovcloudapi.netBackflow Assembly: An approved effective assembly or method used to control backflow from occurring in the potable water supply. The type of assembly required shall be based on degree of hazard, existing or potential. An assembly is testable in a line to its utilization and is unaltered from the manufacturer’s configuration.
Standard for NFPA 13 and 13R Fire Sprinkler Systems
www.marysvillefiredistrict.orgdevice to be used, and a location in the riser room. A certified backflow assembly tester shall test the backflow device for initial acceptance and for proper operation annually. After this test is complete and prior to the request for final system acceptance, the completed backflow assembly test report shall be submitted by email to:
City of Humble
www.cityofhumble.orgBACKFLOW PREVENTION ASSEMBLY TEST ·AND MAINTENANCE REPORT The following form must be completed for each assembly tested. A signed and dated original must be submitted to the public water supplier for record keeping purposes. (Please Print) BACKFLOW ASSEMBLY INFORMATION
Sample Exam Questions and Recommended References …
www.abccert.orgC. Pressure vacuum breaker assembly D. Reduced pressure backflow assembly 9. While testing check valve #2 of a reduced pressure backflow assembly under backpressure, what would be observed if the second check valve was fouled? A. No differential on the test kit and no discharge from the relief valve B.
Installation Instructions - Watts
media.wattswater.combackflow assembly. 2. Watts Series 957, 957RPDA and LF957RPDA may be in-stalled in either horizontal, “N” pattern, or “Z” pattern position as long as the backflow assembly is installed in accordance with the direction of the flow arrow on the assembly and the local water authority approves the installation. 3.
CROSS CONNECTION RULES MANUAL - Michigan
www.michigan.govAppendix E - Backflow Assembly Test Procedures . Appendix F - Sample Letters . Appendix G - Approved Backflow Preventers (iii) 1 Chapter 1 - INTRODUCTION . A cross connection is a connection or arrangement of piping or appurtenances through which backflow of nonpotable water could flow into the public drinking water
RP/IS-009 Installation, Maintenance, & Repair Series 009 ...
media.wattswater.comReduced Pressure Zone Assemblies ... The number of assemblies used in parallel should be determined seated check valve ahead of the backflow assembly to “lock-in by the engi neer’s judgment based on the operating conditions of a the downstream pressure. specific installation.