Backflow assembly
Found 16 free book(s)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.
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.
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.comvalves or a backflow assembly have been operated. Certified tes-ters of backflow assemblies must conduct this confirming test. Figure 4 Relief Valve Discharge Rates 1⁄2" – 1" (15-25mm) 009 45 40 35 30 20 15 10 5 0 0 1020 3040 50 60 7080 90100 150 zone pressure psi Flow Rate gpm 1⁄2" 3⁄4" M2 X 1" M2 11⁄4" – 3" (32-80mm) 009 350 300 ...
City of Phoenix Water Services Department
www.phoenix.govBackflow: The flow of water or other liquids, mixtures, gases, or other substances into the distributing pipes of a potable supply of water, from any source or sources other than the City potable water system. Backflow Prevention Device - Approved: An air-gap, double check valve assembly, reduced pressure principle backflow
Please use a separate form for each assembly
www1.nyc.govtested assembly (floor/level, vault, hot box) along with a specific location (meter/boiler/pump room, store, garage, etc.), if any. Part B: NYS . Certified Backflow Prevention Assembly Tester shall fill out this portion in A. LL . cases: Include the line pressure (taken at number 1test cock with shutoff valve number closed).
MISSOURI DEPARTMENT OF NATURAL RESOURCES WATER …
dnr.mo.govbackflow prevention assembly test data and maintenance report . customer customer number file number mailing address service location meter number date of test time a.m. p.m. supply pressure lbs. air gap (2 x supply diam.) pass supply in. gap in. fail type of assembly …
Series 009 - Watts
media.wattswater.comA Reduced Pressure Zone Assembly shall be installed at each potential health hazard location to prevent backflow due to backsiphonage and/or backpressure. The assembly shall consist of an internal pressure differential relief valve located in a zone between two positive seating check modules with captured springs and silicone seat discs.
Diesel Aftertreatment Systems
www.apta.comNov 21, 2019 · Tailpipe Assembly ... •Supply Module Backflow Filter: 100 micron Tank filter Filtration Points in DEF Circuit. Troubleshooting Steps DO NOT use INSITE for troubleshooting steps •Troubleshooting steps within INSITE are not updated as regularly as other sources
BACKFLOW PREVENTION ASSEMBLY FIELD TEST FORM
fccchr.usc.edubackflow prevention assembly field test form: mainline bypass: mainline bypass: created date: 1/3/2018 1:32:57 pm ...
Backflow Preventers and Protection of Water Supply: 2015 IPC
iccsafe.org• The assembly must be accessible for field testing and maintenance. • These assemblies must not be confused with dual check-valve devices or two single check valves placed in series. Fire sprinkler systems may use a double check detector assembly to prevent backflow and detect unauthorized use of water. Air Gap Piping System
Regulators Series AR
content2.smcetech.comNote 1) The AR10 type comes with a backflow function as a standard feature. (K is not available.) When using the AR10 type as w/ backflow function, backflow may not occur with the set pressure 0.15 MPa or less. For AR20K to 60K, please set the inlet pressure to at least 0.05 MPa higher than the set pressure. Note 2) to the new Measurement Law.
Price List - Watts
media.wattswater.comKit consists of: spring assembly, disc and bracket, bolt O-rings and cover O-ring. SS07F Repair Kits Check Kits 0888940 RK SS07F CK 4" 682.50 0888941 RK SS07F CK 6" 857.00 0888942 RK SS07F CK 8", 10" 985.50 Kit consists of: complete check assembly.
CHAPTER 6 WATER SUPPLY AND DISTRIBUTION
www.ecodes.bizd. All secondarysubmetersand backflow assemblies shall be at least the same size as the line in which they are installed. e. Table based on minimum water main pressure of 50 psi. SECTION 604 DESIGN OF BUILDING WATER DISTRIBUTION SYSTEM 604.1 General. The design of the water distribution system shall conform to accepted engineering practice ...
Product Manual for Northstar HOT WATER/STEAM PRESSURE …
www.northerntool.comgallons per minute. The use of a backflow preventer on the water supply hose is recommended and may be required by local code. Any cleaning chemicals that are used must be specifically approved for use in pressure washers. The pump is powered by a gasoline-fueled engine. The spray water is heated (when desired) by a kerosene/fuel-
July 2021 - San Diego
www.sandiego.govPrivate Public Assembly # of Existing Fixtures to Remain # of Fixtures Added # of Fixtures Removed Fixture # Increase/ Decrease Bathtub or Combination Bath/Shower (fill) ½” 4.0 4.0 –– x ¾” Bathtub Fill Valve