Search results with tag "Backflow preventer"
2015 International Plumbing Code (amended) …
ldh.la.gov605.3.1 Dual check-valve-type backflow preventer. Dual check-valve backflow preventers installed on the water supply system shall comply with ASSE 1024 or CSA B64.6. These devices, which are commonly installed immediately downstream of water meters by water suppliers, are not approved backflow prevention devices
RP/IS-009 Installation, Maintenance, & Repair Series 009 ...
media.wattswater.comE. Backflow preventers should never be placed in pits unless abso- lutely necessary and then only when and as approved by local codes. In such cases, provision should be made to always vent above flood level or for a pit drain to ensure an adequate air gap below the relief port. F. It is important that Series 009 and LF009 backflow preventers be
PLUMBING FOUNDATIONS SLEEVES: Pipes run through or …
www.taylorcountygov.com1. Air gap 2. Reduced pressure principle backflow preventer 3. Backflow preventer with intermediate atmospheric vent 4. Vacuum breaker
NFPA 25 FAQs
www.nfpa.orgif the backflow preventer is installed on the suction side of the pump, the annual fire pump test will also serve as a flow test for the backflow preventer the fire department connection may be used as a test connection by reversing the check valve and flowing water out of the FDC.
Florida Building Code 6 Edition (2017) Plumbing
www.broward.org312.10.2 Testing. Reduced pressure principle, double check, pressure vacuum breaker, reduced pressure detector fire protection, double check detector fire protection, and spill-resistant vacuum breaker backflow preventer assem-blies and hose connection backflow preventers shall be tested at the time of installation and immediately after
STANDARD PLAN S FOR PUBLIC WORKS CONSTRUCTION
www.dpw.lacounty.gov511-3 backflow preventer assembly double check type 512-3 backflow preventer assembly reduced pressure type 51 &3 electrical pull box 5143 irrigation controller enclosure 515-3 pipe pinning 517-3 swing joint assembly 518-3 tree staking 519-3 tree well 520-4 tree planing 521-3 pressure regulator installation 522 root pruning
SYSTEM 2000® FRONTIER - Energy Kinetics
energykinetics.com5 Principle of Operation - Energy Manager 18 15 Zone Manager Installation Instructions ... If antifreeze is used, a reduced pressure backflow preventer device shall be used. INSTALLER NOTE: ... backflow preventer, and all other devices must be piped to the nearest drain to avoid damage in the event the valve is actuated.
TITLE 252. DEPARTMENT OF ENVIRONMENTAL QUALITY …
www.deq.ok.gov"Reduced pressure zone, backflow preventer" means a device designed to prevent backflow consisting of two spring loaded check valves with an intermediate reduced pressure zone that drains to the atmosphere by a relief valve, with a reduced pressure maintained in the intermediate zone by means of a pressure differential valve.
ABBREVIATIONS KEY TO SYMBOLS VALVES PLUMBING LEGEND
bidroom.netvalve and backflow preventer as shown or required by ahj. verify invert and slope of incoming sanitary sewer before trenching. 5. refer to riser diagrams and plumbing fixture schedule for all piping and pipe sizes not shown on plan. 6. sanitary and storm sewer piping shown is based on 1/4" per foot fall for all pipe smaller
Outdoor Tankless Water Heater Installation and Operation ...
pdf.lowes.comsupply system, such as one having a backflow preventer in the cold water supply line, means shall be provided to control thermal expansion. ontact the water supplier or local plumbing inspector on how to control thermal expansion. Type of installation • …
PRESSURE RELIEF VALVE ENGINEERING HANDBOOK
www.emerson.compressure of a reclosing pressure relief device. Backflow Preventer: a part or a feature of a pilot operated pressure relief valve used to prevent the valve from opening and flowing backwards when the pressure at the valve outlet is greater than the pressure at the valve inlet. II. TYPES OF DEVICES Pressure Relief Valve (PRV)
UFGS 22 00 00 Plumbing, General Purpose - WBDG | WBDG
www.wbdg.org2.5 BACKFLOW PREVENTERS 2.6 DRAINS 2.6.1 Floor and Shower Drains 2.6.1.1 Metallic Shower Pan Drains 2.6.1.2 Drains and Backwater Valves 2.6.2 Bathtub and Shower Faucets and Drain Fittings 2.6.3 Area Drains 2.6.4 Floor Sinks 2.6.5 Boiler Room Drains 2.6.6 Pit Drains 2.6.7 Sight Drains 2.6.8 Roof Drains and Expansion Joints
Inspection, Testing, and Maintenance Cover Sheet
osfm.fire.ca.gov2.8 T Backflow Preventer Assemblies 13.6.2 2.9 T Small Hose Connections* w/PRV Hose Valves – Partial Flow Test 13.5.2.3 13.5.3.3 2.10 T PRV – Fire Sprinkler Systems 13.5.1.3 2.11 T Pressure Gauges - Calibration 5.3.2 2.12 T Small Hose Connections* 13.5.6.2.2 * Small hose connections are hose valves and optional hose supplied by the fire ...
Standard for the Inspection, Testing, and Maintenance of ...
www.nfpa.orgBackflow preventer Chapter 13 Check valves Chapter 13 Control valves Weekly (sealed) Chapter 13 Control valves Monthly (locked, supervised) Chapter 13 Deluge valve 10.2.2, Chapter 13 Detection systems NFPA 72 Detector check valves Chapter 13 Drainage Quarterly 10.2.87 Electric motor 10.2.98, Chapter 8
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-
www.wattsreg - Watts Water Technologies
media.wattswater.com5 Series 07S Residential Fire Sprinkler System Dual Check Backflow Preventers Size: 1" and 11⁄4" (25 and 32mm) Description Installed at the residential fire sprinkler service connection to the
2022-23 Statewide Flooding and Sea Level Rise Resilience Plan
protectingfloridatogether.govStormwater Backflow Preventer Installation Program $540,541 $200,000 $30,000 $70,000 $100,000 Martin County Martin Twin Rivers Park Shoreline Stabilization $1,724,000 $862,000 $65,000 $797,000 Martin County Martin Golden Gate Stormwater Treatment Area (STA) North Outfall Flood Mitigation $375,000 $180,000 $30,000 $150,000
MASTER SPECIFICATIONS Division 21 FIRE SUPPRESSION
www.northwestern.eduvalves, standpipes, backflow preventers, gauges, hose connections and cabinets, and all other similar and required components. The University can provide a sample of the report when requested. F. Maps: Per the University requirements (and …
Backflow Preventers and Protection of Water Supply: 2015 IPC
iccsafe.orgfor reduced pressure principle, double check, pressure vacuum, reduced pressure detector fire protection, and spill-resistant vacuum breaker backflow preventer assemblies and hose connection backflow preventers be performed in accordance with one of the following standards: ASSE 5013, ASSE 5015, ASSE 5020, ASSE5047, ASSE 5048,
Backflow Prevention Products - Watts
media.wattswater.comBackflow is defined as the reverse flow of contaminated or undesirable substance into the potable water supply. Installing a backflow preventer can protect the water supply from this very serious type of situation. This product guide includes information on Watts’ complete line of backflow prevention devices. Code Requirements
Backflow Prevention and Cross-Connection Control
www.awwa.orgbackflow preventer Containment: Water supply protection from the property’s entire plumbing system. B. Location on public entity side of property line Figure 1-1 Examples of backflow prevention equipment locations Courtesy of Stuart F. Asay opyrit Aerican ater …
Backflow Prevention - Watts
media.wattswater.comThe FEBCO backflow preventer line includes top-quality, fully-tested Lead Free* versions of our standard backflow products. Standard Material Products (not Lead Free*) CONTAIN MORE THAN 0.25% LEAD. Effective January 4, 2014, it is illegal to use this product in any plumbing system providing water for human consumption,
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